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Rev | Author | Line No. | Line |
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2326 | Serge | 1 | /* i915_dma.c -- DMA support for the I915 -*- linux-c -*- |
2 | */ |
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3 | /* |
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4 | * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. |
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5 | * All Rights Reserved. |
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6 | * |
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7 | * Permission is hereby granted, free of charge, to any person obtaining a |
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8 | * copy of this software and associated documentation files (the |
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9 | * "Software"), to deal in the Software without restriction, including |
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10 | * without limitation the rights to use, copy, modify, merge, publish, |
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11 | * distribute, sub license, and/or sell copies of the Software, and to |
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12 | * permit persons to whom the Software is furnished to do so, subject to |
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13 | * the following conditions: |
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14 | * |
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15 | * The above copyright notice and this permission notice (including the |
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16 | * next paragraph) shall be included in all copies or substantial portions |
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17 | * of the Software. |
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18 | * |
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19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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20 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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21 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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22 | * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR |
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23 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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24 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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25 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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26 | * |
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27 | */ |
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28 | |||
3031 | serge | 29 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
30 | |||
31 | #include |
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32 | #include |
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33 | #include |
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2326 | Serge | 34 | #include "intel_drv.h" |
3031 | serge | 35 | #include |
2326 | Serge | 36 | #include "i915_drv.h" |
2351 | Serge | 37 | #include "i915_trace.h" |
2326 | Serge | 38 | #include |
39 | //#include |
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40 | //#include |
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41 | //#include |
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42 | //#include |
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2330 | Serge | 43 | #include |
2326 | Serge | 44 | //#include |
45 | |||
46 | void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen); |
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47 | |||
3031 | serge | 48 | |
49 | #define LP_RING(d) (&((struct drm_i915_private *)(d))->ring[RCS]) |
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50 | |||
51 | #define BEGIN_LP_RING(n) \ |
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52 | intel_ring_begin(LP_RING(dev_priv), (n)) |
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53 | |||
54 | #define OUT_RING(x) \ |
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55 | intel_ring_emit(LP_RING(dev_priv), x) |
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56 | |||
57 | #define ADVANCE_LP_RING() \ |
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58 | intel_ring_advance(LP_RING(dev_priv)) |
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59 | |||
60 | /** |
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61 | * Lock test for when it's just for synchronization of ring access. |
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62 | * |
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63 | * In that case, we don't need to do it when GEM is initialized as nobody else |
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64 | * has access to the ring. |
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65 | */ |
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66 | #define RING_LOCK_TEST_WITH_RETURN(dev, file) do { \ |
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67 | if (LP_RING(dev->dev_private)->obj == NULL) \ |
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68 | LOCK_TEST_WITH_RETURN(dev, file); \ |
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69 | } while (0) |
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70 | |||
71 | static inline u32 |
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72 | intel_read_legacy_status_page(struct drm_i915_private *dev_priv, int reg) |
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2330 | Serge | 73 | { |
3031 | serge | 74 | if (I915_NEED_GFX_HWS(dev_priv->dev)) |
75 | return ioread32(dev_priv->dri1.gfx_hws_cpu_addr + reg); |
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76 | else |
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77 | return intel_read_status_page(LP_RING(dev_priv), reg); |
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2330 | Serge | 78 | } |
79 | |||
3031 | serge | 80 | #define READ_HWSP(dev_priv, reg) intel_read_legacy_status_page(dev_priv, reg) |
81 | #define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, I915_BREADCRUMB_INDEX) |
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82 | #define I915_BREADCRUMB_INDEX 0x21 |
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2330 | Serge | 83 | |
3031 | serge | 84 | void i915_update_dri1_breadcrumb(struct drm_device *dev) |
85 | { |
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86 | drm_i915_private_t *dev_priv = dev->dev_private; |
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87 | struct drm_i915_master_private *master_priv; |
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2330 | Serge | 88 | |
3031 | serge | 89 | if (dev->primary->master) { |
90 | master_priv = dev->primary->master->driver_priv; |
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91 | if (master_priv->sarea_priv) |
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92 | master_priv->sarea_priv->last_dispatch = |
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93 | READ_BREADCRUMB(dev_priv); |
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94 | } |
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95 | } |
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96 | |||
2326 | Serge | 97 | static void i915_write_hws_pga(struct drm_device *dev) |
98 | { |
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3031 | serge | 99 | drm_i915_private_t *dev_priv = dev->dev_private; |
100 | u32 addr; |
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2326 | Serge | 101 | |
3031 | serge | 102 | addr = dev_priv->status_page_dmah->busaddr; |
103 | if (INTEL_INFO(dev)->gen >= 4) |
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104 | addr |= (dev_priv->status_page_dmah->busaddr >> 28) & 0xf0; |
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105 | I915_WRITE(HWS_PGA, addr); |
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2326 | Serge | 106 | } |
107 | |||
108 | /** |
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109 | * Sets up the hardware status page for devices that need a physical address |
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110 | * in the register. |
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111 | */ |
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112 | static int i915_init_phys_hws(struct drm_device *dev) |
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113 | { |
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3031 | serge | 114 | drm_i915_private_t *dev_priv = dev->dev_private; |
2326 | Serge | 115 | |
3031 | serge | 116 | /* Program Hardware Status Page */ |
117 | dev_priv->status_page_dmah = |
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118 | drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE); |
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2326 | Serge | 119 | |
3031 | serge | 120 | if (!dev_priv->status_page_dmah) { |
121 | DRM_ERROR("Can not allocate hardware status page\n"); |
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122 | return -ENOMEM; |
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123 | } |
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2326 | Serge | 124 | |
3031 | serge | 125 | memset((void __force __iomem *)dev_priv->status_page_dmah->vaddr, |
126 | 0, PAGE_SIZE); |
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2326 | Serge | 127 | |
3031 | serge | 128 | i915_write_hws_pga(dev); |
129 | |||
130 | DRM_DEBUG_DRIVER("Enabled hardware status page\n"); |
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131 | return 0; |
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2326 | Serge | 132 | } |
133 | |||
3031 | serge | 134 | /** |
135 | * Frees the hardware status page, whether it's a physical address or a virtual |
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136 | * address set up by the X Server. |
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137 | */ |
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138 | static void i915_free_hws(struct drm_device *dev) |
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139 | { |
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140 | drm_i915_private_t *dev_priv = dev->dev_private; |
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141 | struct intel_ring_buffer *ring = LP_RING(dev_priv); |
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2330 | Serge | 142 | |
3031 | serge | 143 | if (dev_priv->status_page_dmah) { |
144 | drm_pci_free(dev, dev_priv->status_page_dmah); |
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145 | dev_priv->status_page_dmah = NULL; |
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146 | } |
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2330 | Serge | 147 | |
3031 | serge | 148 | if (ring->status_page.gfx_addr) { |
149 | ring->status_page.gfx_addr = 0; |
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150 | iounmap(dev_priv->dri1.gfx_hws_cpu_addr); |
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151 | } |
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2330 | Serge | 152 | |
3031 | serge | 153 | /* Need to rewrite hardware status page */ |
154 | I915_WRITE(HWS_PGA, 0x1ffff000); |
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155 | } |
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2330 | Serge | 156 | |
3031 | serge | 157 | #if 0 |
2330 | Serge | 158 | |
3031 | serge | 159 | void i915_kernel_lost_context(struct drm_device * dev) |
160 | { |
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161 | drm_i915_private_t *dev_priv = dev->dev_private; |
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162 | struct drm_i915_master_private *master_priv; |
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163 | struct intel_ring_buffer *ring = LP_RING(dev_priv); |
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2330 | Serge | 164 | |
3031 | serge | 165 | /* |
166 | * We should never lose context on the ring with modesetting |
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167 | * as we don't expose it to userspace |
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168 | */ |
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169 | if (drm_core_check_feature(dev, DRIVER_MODESET)) |
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170 | return; |
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2330 | Serge | 171 | |
3031 | serge | 172 | ring->head = I915_READ_HEAD(ring) & HEAD_ADDR; |
173 | ring->tail = I915_READ_TAIL(ring) & TAIL_ADDR; |
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174 | ring->space = ring->head - (ring->tail + 8); |
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175 | if (ring->space < 0) |
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176 | ring->space += ring->size; |
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2330 | Serge | 177 | |
3031 | serge | 178 | if (!dev->primary->master) |
179 | return; |
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2330 | Serge | 180 | |
3031 | serge | 181 | master_priv = dev->primary->master->driver_priv; |
182 | if (ring->head == ring->tail && master_priv->sarea_priv) |
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183 | master_priv->sarea_priv->perf_boxes |= I915_BOX_RING_EMPTY; |
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184 | } |
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185 | |||
186 | static int i915_dma_cleanup(struct drm_device * dev) |
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187 | { |
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188 | drm_i915_private_t *dev_priv = dev->dev_private; |
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189 | int i; |
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190 | |||
191 | /* Make sure interrupts are disabled here because the uninstall ioctl |
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192 | * may not have been called from userspace and after dev_private |
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193 | * is freed, it's too late. |
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194 | */ |
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195 | if (dev->irq_enabled) |
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196 | drm_irq_uninstall(dev); |
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197 | |||
198 | mutex_lock(&dev->struct_mutex); |
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199 | for (i = 0; i < I915_NUM_RINGS; i++) |
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200 | intel_cleanup_ring_buffer(&dev_priv->ring[i]); |
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201 | mutex_unlock(&dev->struct_mutex); |
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202 | |||
203 | /* Clear the HWS virtual address at teardown */ |
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204 | if (I915_NEED_GFX_HWS(dev)) |
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205 | i915_free_hws(dev); |
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206 | |||
207 | return 0; |
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208 | } |
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209 | |||
210 | static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init) |
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211 | { |
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212 | drm_i915_private_t *dev_priv = dev->dev_private; |
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213 | struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; |
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214 | int ret; |
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215 | |||
216 | master_priv->sarea = drm_getsarea(dev); |
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217 | if (master_priv->sarea) { |
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218 | master_priv->sarea_priv = (drm_i915_sarea_t *) |
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219 | ((u8 *)master_priv->sarea->handle + init->sarea_priv_offset); |
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220 | } else { |
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221 | DRM_DEBUG_DRIVER("sarea not found assuming DRI2 userspace\n"); |
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222 | } |
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223 | |||
224 | if (init->ring_size != 0) { |
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225 | if (LP_RING(dev_priv)->obj != NULL) { |
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226 | i915_dma_cleanup(dev); |
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227 | DRM_ERROR("Client tried to initialize ringbuffer in " |
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228 | "GEM mode\n"); |
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229 | return -EINVAL; |
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230 | } |
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231 | |||
232 | ret = intel_render_ring_init_dri(dev, |
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233 | init->ring_start, |
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234 | init->ring_size); |
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235 | if (ret) { |
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236 | i915_dma_cleanup(dev); |
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237 | return ret; |
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238 | } |
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239 | } |
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240 | |||
241 | dev_priv->dri1.cpp = init->cpp; |
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242 | dev_priv->dri1.back_offset = init->back_offset; |
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243 | dev_priv->dri1.front_offset = init->front_offset; |
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244 | dev_priv->dri1.current_page = 0; |
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245 | if (master_priv->sarea_priv) |
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246 | master_priv->sarea_priv->pf_current_page = 0; |
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247 | |||
248 | /* Allow hardware batchbuffers unless told otherwise. |
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249 | */ |
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250 | dev_priv->dri1.allow_batchbuffer = 1; |
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251 | |||
252 | return 0; |
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253 | } |
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254 | |||
255 | static int i915_dma_resume(struct drm_device * dev) |
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256 | { |
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257 | drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; |
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258 | struct intel_ring_buffer *ring = LP_RING(dev_priv); |
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259 | |||
260 | DRM_DEBUG_DRIVER("%s\n", __func__); |
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261 | |||
262 | if (ring->virtual_start == NULL) { |
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263 | DRM_ERROR("can not ioremap virtual address for" |
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264 | " ring buffer\n"); |
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265 | return -ENOMEM; |
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266 | } |
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267 | |||
268 | /* Program Hardware Status Page */ |
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269 | if (!ring->status_page.page_addr) { |
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270 | DRM_ERROR("Can not find hardware status page\n"); |
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271 | return -EINVAL; |
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272 | } |
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273 | DRM_DEBUG_DRIVER("hw status page @ %p\n", |
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274 | ring->status_page.page_addr); |
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275 | if (ring->status_page.gfx_addr != 0) |
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276 | intel_ring_setup_status_page(ring); |
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277 | else |
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278 | i915_write_hws_pga(dev); |
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279 | |||
280 | DRM_DEBUG_DRIVER("Enabled hardware status page\n"); |
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281 | |||
282 | return 0; |
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283 | } |
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284 | |||
285 | static int i915_dma_init(struct drm_device *dev, void *data, |
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286 | struct drm_file *file_priv) |
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287 | { |
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288 | drm_i915_init_t *init = data; |
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289 | int retcode = 0; |
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290 | |||
291 | if (drm_core_check_feature(dev, DRIVER_MODESET)) |
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292 | return -ENODEV; |
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293 | |||
294 | switch (init->func) { |
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295 | case I915_INIT_DMA: |
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296 | retcode = i915_initialize(dev, init); |
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297 | break; |
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298 | case I915_CLEANUP_DMA: |
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299 | retcode = i915_dma_cleanup(dev); |
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300 | break; |
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301 | case I915_RESUME_DMA: |
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302 | retcode = i915_dma_resume(dev); |
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303 | break; |
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304 | default: |
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305 | retcode = -EINVAL; |
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306 | break; |
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307 | } |
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308 | |||
309 | return retcode; |
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310 | } |
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311 | |||
312 | /* Implement basically the same security restrictions as hardware does |
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313 | * for MI_BATCH_NON_SECURE. These can be made stricter at any time. |
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314 | * |
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315 | * Most of the calculations below involve calculating the size of a |
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316 | * particular instruction. It's important to get the size right as |
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317 | * that tells us where the next instruction to check is. Any illegal |
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318 | * instruction detected will be given a size of zero, which is a |
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319 | * signal to abort the rest of the buffer. |
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320 | */ |
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321 | static int validate_cmd(int cmd) |
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322 | { |
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323 | switch (((cmd >> 29) & 0x7)) { |
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324 | case 0x0: |
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325 | switch ((cmd >> 23) & 0x3f) { |
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326 | case 0x0: |
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327 | return 1; /* MI_NOOP */ |
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328 | case 0x4: |
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329 | return 1; /* MI_FLUSH */ |
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330 | default: |
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331 | return 0; /* disallow everything else */ |
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332 | } |
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333 | break; |
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334 | case 0x1: |
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335 | return 0; /* reserved */ |
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336 | case 0x2: |
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337 | return (cmd & 0xff) + 2; /* 2d commands */ |
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338 | case 0x3: |
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339 | if (((cmd >> 24) & 0x1f) <= 0x18) |
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340 | return 1; |
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341 | |||
342 | switch ((cmd >> 24) & 0x1f) { |
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343 | case 0x1c: |
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344 | return 1; |
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345 | case 0x1d: |
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346 | switch ((cmd >> 16) & 0xff) { |
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347 | case 0x3: |
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348 | return (cmd & 0x1f) + 2; |
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349 | case 0x4: |
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350 | return (cmd & 0xf) + 2; |
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351 | default: |
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352 | return (cmd & 0xffff) + 2; |
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353 | } |
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354 | case 0x1e: |
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355 | if (cmd & (1 << 23)) |
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356 | return (cmd & 0xffff) + 1; |
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357 | else |
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358 | return 1; |
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359 | case 0x1f: |
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360 | if ((cmd & (1 << 23)) == 0) /* inline vertices */ |
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361 | return (cmd & 0x1ffff) + 2; |
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362 | else if (cmd & (1 << 17)) /* indirect random */ |
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363 | if ((cmd & 0xffff) == 0) |
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364 | return 0; /* unknown length, too hard */ |
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365 | else |
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366 | return (((cmd & 0xffff) + 1) / 2) + 1; |
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367 | else |
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368 | return 2; /* indirect sequential */ |
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369 | default: |
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370 | return 0; |
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371 | } |
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372 | default: |
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373 | return 0; |
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374 | } |
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375 | |||
376 | return 0; |
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377 | } |
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378 | |||
379 | static int i915_emit_cmds(struct drm_device * dev, int *buffer, int dwords) |
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380 | { |
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381 | drm_i915_private_t *dev_priv = dev->dev_private; |
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382 | int i, ret; |
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383 | |||
384 | if ((dwords+1) * sizeof(int) >= LP_RING(dev_priv)->size - 8) |
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385 | return -EINVAL; |
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386 | |||
387 | for (i = 0; i < dwords;) { |
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388 | int sz = validate_cmd(buffer[i]); |
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389 | if (sz == 0 || i + sz > dwords) |
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390 | return -EINVAL; |
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391 | i += sz; |
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392 | } |
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393 | |||
394 | ret = BEGIN_LP_RING((dwords+1)&~1); |
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395 | if (ret) |
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396 | return ret; |
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397 | |||
398 | for (i = 0; i < dwords; i++) |
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399 | OUT_RING(buffer[i]); |
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400 | if (dwords & 1) |
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401 | OUT_RING(0); |
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402 | |||
403 | ADVANCE_LP_RING(); |
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404 | |||
405 | return 0; |
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406 | } |
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407 | |||
408 | int |
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409 | i915_emit_box(struct drm_device *dev, |
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410 | struct drm_clip_rect *box, |
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411 | int DR1, int DR4) |
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412 | { |
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413 | struct drm_i915_private *dev_priv = dev->dev_private; |
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414 | int ret; |
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415 | |||
416 | if (box->y2 <= box->y1 || box->x2 <= box->x1 || |
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417 | box->y2 <= 0 || box->x2 <= 0) { |
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418 | DRM_ERROR("Bad box %d,%d..%d,%d\n", |
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419 | box->x1, box->y1, box->x2, box->y2); |
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420 | return -EINVAL; |
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421 | } |
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422 | |||
423 | if (INTEL_INFO(dev)->gen >= 4) { |
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424 | ret = BEGIN_LP_RING(4); |
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425 | if (ret) |
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426 | return ret; |
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427 | |||
428 | OUT_RING(GFX_OP_DRAWRECT_INFO_I965); |
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429 | OUT_RING((box->x1 & 0xffff) | (box->y1 << 16)); |
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430 | OUT_RING(((box->x2 - 1) & 0xffff) | ((box->y2 - 1) << 16)); |
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431 | OUT_RING(DR4); |
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432 | } else { |
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433 | ret = BEGIN_LP_RING(6); |
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434 | if (ret) |
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435 | return ret; |
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436 | |||
437 | OUT_RING(GFX_OP_DRAWRECT_INFO); |
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438 | OUT_RING(DR1); |
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439 | OUT_RING((box->x1 & 0xffff) | (box->y1 << 16)); |
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440 | OUT_RING(((box->x2 - 1) & 0xffff) | ((box->y2 - 1) << 16)); |
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441 | OUT_RING(DR4); |
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442 | OUT_RING(0); |
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443 | } |
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444 | ADVANCE_LP_RING(); |
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445 | |||
446 | return 0; |
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447 | } |
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448 | |||
449 | /* XXX: Emitting the counter should really be moved to part of the IRQ |
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450 | * emit. For now, do it in both places: |
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451 | */ |
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452 | |||
453 | static void i915_emit_breadcrumb(struct drm_device *dev) |
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454 | { |
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455 | drm_i915_private_t *dev_priv = dev->dev_private; |
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456 | struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; |
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457 | |||
458 | dev_priv->counter++; |
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459 | if (dev_priv->counter > 0x7FFFFFFFUL) |
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460 | dev_priv->counter = 0; |
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461 | if (master_priv->sarea_priv) |
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462 | master_priv->sarea_priv->last_enqueue = dev_priv->counter; |
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463 | |||
464 | if (BEGIN_LP_RING(4) == 0) { |
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465 | OUT_RING(MI_STORE_DWORD_INDEX); |
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466 | OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT); |
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467 | OUT_RING(dev_priv->counter); |
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468 | OUT_RING(0); |
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469 | ADVANCE_LP_RING(); |
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470 | } |
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471 | } |
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472 | |||
473 | static int i915_dispatch_cmdbuffer(struct drm_device * dev, |
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474 | drm_i915_cmdbuffer_t *cmd, |
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475 | struct drm_clip_rect *cliprects, |
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476 | void *cmdbuf) |
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477 | { |
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478 | int nbox = cmd->num_cliprects; |
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479 | int i = 0, count, ret; |
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480 | |||
481 | if (cmd->sz & 0x3) { |
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482 | DRM_ERROR("alignment"); |
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483 | return -EINVAL; |
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484 | } |
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485 | |||
486 | i915_kernel_lost_context(dev); |
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487 | |||
488 | count = nbox ? nbox : 1; |
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489 | |||
490 | for (i = 0; i < count; i++) { |
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491 | if (i < nbox) { |
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492 | ret = i915_emit_box(dev, &cliprects[i], |
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493 | cmd->DR1, cmd->DR4); |
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494 | if (ret) |
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495 | return ret; |
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496 | } |
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497 | |||
498 | ret = i915_emit_cmds(dev, cmdbuf, cmd->sz / 4); |
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499 | if (ret) |
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500 | return ret; |
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501 | } |
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502 | |||
503 | i915_emit_breadcrumb(dev); |
||
504 | return 0; |
||
505 | } |
||
506 | |||
507 | static int i915_dispatch_batchbuffer(struct drm_device * dev, |
||
508 | drm_i915_batchbuffer_t * batch, |
||
509 | struct drm_clip_rect *cliprects) |
||
510 | { |
||
511 | struct drm_i915_private *dev_priv = dev->dev_private; |
||
512 | int nbox = batch->num_cliprects; |
||
513 | int i, count, ret; |
||
514 | |||
515 | if ((batch->start | batch->used) & 0x7) { |
||
516 | DRM_ERROR("alignment"); |
||
517 | return -EINVAL; |
||
518 | } |
||
519 | |||
520 | i915_kernel_lost_context(dev); |
||
521 | |||
522 | count = nbox ? nbox : 1; |
||
523 | for (i = 0; i < count; i++) { |
||
524 | if (i < nbox) { |
||
525 | ret = i915_emit_box(dev, &cliprects[i], |
||
526 | batch->DR1, batch->DR4); |
||
527 | if (ret) |
||
528 | return ret; |
||
529 | } |
||
530 | |||
531 | if (!IS_I830(dev) && !IS_845G(dev)) { |
||
532 | ret = BEGIN_LP_RING(2); |
||
533 | if (ret) |
||
534 | return ret; |
||
535 | |||
536 | if (INTEL_INFO(dev)->gen >= 4) { |
||
537 | OUT_RING(MI_BATCH_BUFFER_START | (2 << 6) | MI_BATCH_NON_SECURE_I965); |
||
538 | OUT_RING(batch->start); |
||
539 | } else { |
||
540 | OUT_RING(MI_BATCH_BUFFER_START | (2 << 6)); |
||
541 | OUT_RING(batch->start | MI_BATCH_NON_SECURE); |
||
542 | } |
||
543 | } else { |
||
544 | ret = BEGIN_LP_RING(4); |
||
545 | if (ret) |
||
546 | return ret; |
||
547 | |||
548 | OUT_RING(MI_BATCH_BUFFER); |
||
549 | OUT_RING(batch->start | MI_BATCH_NON_SECURE); |
||
550 | OUT_RING(batch->start + batch->used - 4); |
||
551 | OUT_RING(0); |
||
552 | } |
||
553 | ADVANCE_LP_RING(); |
||
554 | } |
||
555 | |||
556 | |||
557 | if (IS_G4X(dev) || IS_GEN5(dev)) { |
||
558 | if (BEGIN_LP_RING(2) == 0) { |
||
559 | OUT_RING(MI_FLUSH | MI_NO_WRITE_FLUSH | MI_INVALIDATE_ISP); |
||
560 | OUT_RING(MI_NOOP); |
||
561 | ADVANCE_LP_RING(); |
||
562 | } |
||
563 | } |
||
564 | |||
565 | i915_emit_breadcrumb(dev); |
||
566 | return 0; |
||
567 | } |
||
568 | |||
569 | static int i915_dispatch_flip(struct drm_device * dev) |
||
570 | { |
||
571 | drm_i915_private_t *dev_priv = dev->dev_private; |
||
572 | struct drm_i915_master_private *master_priv = |
||
573 | dev->primary->master->driver_priv; |
||
574 | int ret; |
||
575 | |||
576 | if (!master_priv->sarea_priv) |
||
577 | return -EINVAL; |
||
578 | |||
579 | DRM_DEBUG_DRIVER("%s: page=%d pfCurrentPage=%d\n", |
||
580 | __func__, |
||
581 | dev_priv->dri1.current_page, |
||
582 | master_priv->sarea_priv->pf_current_page); |
||
583 | |||
584 | i915_kernel_lost_context(dev); |
||
585 | |||
586 | ret = BEGIN_LP_RING(10); |
||
587 | if (ret) |
||
588 | return ret; |
||
589 | |||
590 | OUT_RING(MI_FLUSH | MI_READ_FLUSH); |
||
591 | OUT_RING(0); |
||
592 | |||
593 | OUT_RING(CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP); |
||
594 | OUT_RING(0); |
||
595 | if (dev_priv->dri1.current_page == 0) { |
||
596 | OUT_RING(dev_priv->dri1.back_offset); |
||
597 | dev_priv->dri1.current_page = 1; |
||
598 | } else { |
||
599 | OUT_RING(dev_priv->dri1.front_offset); |
||
600 | dev_priv->dri1.current_page = 0; |
||
601 | } |
||
602 | OUT_RING(0); |
||
603 | |||
604 | OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP); |
||
605 | OUT_RING(0); |
||
606 | |||
607 | ADVANCE_LP_RING(); |
||
608 | |||
609 | master_priv->sarea_priv->last_enqueue = dev_priv->counter++; |
||
610 | |||
611 | if (BEGIN_LP_RING(4) == 0) { |
||
612 | OUT_RING(MI_STORE_DWORD_INDEX); |
||
613 | OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT); |
||
614 | OUT_RING(dev_priv->counter); |
||
615 | OUT_RING(0); |
||
616 | ADVANCE_LP_RING(); |
||
617 | } |
||
618 | |||
619 | master_priv->sarea_priv->pf_current_page = dev_priv->dri1.current_page; |
||
620 | return 0; |
||
621 | } |
||
622 | |||
623 | static int i915_quiescent(struct drm_device *dev) |
||
624 | { |
||
625 | struct intel_ring_buffer *ring = LP_RING(dev->dev_private); |
||
626 | |||
627 | i915_kernel_lost_context(dev); |
||
628 | return intel_wait_ring_idle(ring); |
||
629 | } |
||
630 | |||
631 | static int i915_flush_ioctl(struct drm_device *dev, void *data, |
||
632 | struct drm_file *file_priv) |
||
633 | { |
||
634 | int ret; |
||
635 | |||
636 | if (drm_core_check_feature(dev, DRIVER_MODESET)) |
||
637 | return -ENODEV; |
||
638 | |||
639 | RING_LOCK_TEST_WITH_RETURN(dev, file_priv); |
||
640 | |||
641 | mutex_lock(&dev->struct_mutex); |
||
642 | ret = i915_quiescent(dev); |
||
643 | mutex_unlock(&dev->struct_mutex); |
||
644 | |||
645 | return ret; |
||
646 | } |
||
647 | |||
648 | static int i915_batchbuffer(struct drm_device *dev, void *data, |
||
649 | struct drm_file *file_priv) |
||
650 | { |
||
651 | drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; |
||
652 | struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; |
||
653 | drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) |
||
654 | master_priv->sarea_priv; |
||
655 | drm_i915_batchbuffer_t *batch = data; |
||
656 | int ret; |
||
657 | struct drm_clip_rect *cliprects = NULL; |
||
658 | |||
659 | if (drm_core_check_feature(dev, DRIVER_MODESET)) |
||
660 | return -ENODEV; |
||
661 | |||
662 | if (!dev_priv->dri1.allow_batchbuffer) { |
||
663 | DRM_ERROR("Batchbuffer ioctl disabled\n"); |
||
664 | return -EINVAL; |
||
665 | } |
||
666 | |||
667 | DRM_DEBUG_DRIVER("i915 batchbuffer, start %x used %d cliprects %d\n", |
||
668 | batch->start, batch->used, batch->num_cliprects); |
||
669 | |||
670 | RING_LOCK_TEST_WITH_RETURN(dev, file_priv); |
||
671 | |||
672 | if (batch->num_cliprects < 0) |
||
673 | return -EINVAL; |
||
674 | |||
675 | if (batch->num_cliprects) { |
||
676 | cliprects = kcalloc(batch->num_cliprects, |
||
677 | sizeof(struct drm_clip_rect), |
||
678 | GFP_KERNEL); |
||
679 | if (cliprects == NULL) |
||
680 | return -ENOMEM; |
||
681 | |||
682 | ret = copy_from_user(cliprects, batch->cliprects, |
||
683 | batch->num_cliprects * |
||
684 | sizeof(struct drm_clip_rect)); |
||
685 | if (ret != 0) { |
||
686 | ret = -EFAULT; |
||
687 | goto fail_free; |
||
688 | } |
||
689 | } |
||
690 | |||
691 | mutex_lock(&dev->struct_mutex); |
||
692 | ret = i915_dispatch_batchbuffer(dev, batch, cliprects); |
||
693 | mutex_unlock(&dev->struct_mutex); |
||
694 | |||
695 | if (sarea_priv) |
||
696 | sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); |
||
697 | |||
698 | fail_free: |
||
699 | kfree(cliprects); |
||
700 | |||
701 | return ret; |
||
702 | } |
||
703 | |||
704 | static int i915_cmdbuffer(struct drm_device *dev, void *data, |
||
705 | struct drm_file *file_priv) |
||
706 | { |
||
707 | drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; |
||
708 | struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; |
||
709 | drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) |
||
710 | master_priv->sarea_priv; |
||
711 | drm_i915_cmdbuffer_t *cmdbuf = data; |
||
712 | struct drm_clip_rect *cliprects = NULL; |
||
713 | void *batch_data; |
||
714 | int ret; |
||
715 | |||
716 | DRM_DEBUG_DRIVER("i915 cmdbuffer, buf %p sz %d cliprects %d\n", |
||
717 | cmdbuf->buf, cmdbuf->sz, cmdbuf->num_cliprects); |
||
718 | |||
719 | if (drm_core_check_feature(dev, DRIVER_MODESET)) |
||
720 | return -ENODEV; |
||
721 | |||
722 | RING_LOCK_TEST_WITH_RETURN(dev, file_priv); |
||
723 | |||
724 | if (cmdbuf->num_cliprects < 0) |
||
725 | return -EINVAL; |
||
726 | |||
727 | batch_data = kmalloc(cmdbuf->sz, GFP_KERNEL); |
||
728 | if (batch_data == NULL) |
||
729 | return -ENOMEM; |
||
730 | |||
731 | ret = copy_from_user(batch_data, cmdbuf->buf, cmdbuf->sz); |
||
732 | if (ret != 0) { |
||
733 | ret = -EFAULT; |
||
734 | goto fail_batch_free; |
||
735 | } |
||
736 | |||
737 | if (cmdbuf->num_cliprects) { |
||
738 | cliprects = kcalloc(cmdbuf->num_cliprects, |
||
739 | sizeof(struct drm_clip_rect), GFP_KERNEL); |
||
740 | if (cliprects == NULL) { |
||
741 | ret = -ENOMEM; |
||
742 | goto fail_batch_free; |
||
743 | } |
||
744 | |||
745 | ret = copy_from_user(cliprects, cmdbuf->cliprects, |
||
746 | cmdbuf->num_cliprects * |
||
747 | sizeof(struct drm_clip_rect)); |
||
748 | if (ret != 0) { |
||
749 | ret = -EFAULT; |
||
750 | goto fail_clip_free; |
||
751 | } |
||
752 | } |
||
753 | |||
754 | mutex_lock(&dev->struct_mutex); |
||
755 | ret = i915_dispatch_cmdbuffer(dev, cmdbuf, cliprects, batch_data); |
||
756 | mutex_unlock(&dev->struct_mutex); |
||
757 | if (ret) { |
||
758 | DRM_ERROR("i915_dispatch_cmdbuffer failed\n"); |
||
759 | goto fail_clip_free; |
||
760 | } |
||
761 | |||
762 | if (sarea_priv) |
||
763 | sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); |
||
764 | |||
765 | fail_clip_free: |
||
766 | kfree(cliprects); |
||
767 | fail_batch_free: |
||
768 | kfree(batch_data); |
||
769 | |||
770 | return ret; |
||
771 | } |
||
772 | |||
773 | static int i915_emit_irq(struct drm_device * dev) |
||
774 | { |
||
775 | drm_i915_private_t *dev_priv = dev->dev_private; |
||
776 | struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; |
||
777 | |||
778 | i915_kernel_lost_context(dev); |
||
779 | |||
780 | DRM_DEBUG_DRIVER("\n"); |
||
781 | |||
782 | dev_priv->counter++; |
||
783 | if (dev_priv->counter > 0x7FFFFFFFUL) |
||
784 | dev_priv->counter = 1; |
||
785 | if (master_priv->sarea_priv) |
||
786 | master_priv->sarea_priv->last_enqueue = dev_priv->counter; |
||
787 | |||
788 | if (BEGIN_LP_RING(4) == 0) { |
||
789 | OUT_RING(MI_STORE_DWORD_INDEX); |
||
790 | OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT); |
||
791 | OUT_RING(dev_priv->counter); |
||
792 | OUT_RING(MI_USER_INTERRUPT); |
||
793 | ADVANCE_LP_RING(); |
||
794 | } |
||
795 | |||
796 | return dev_priv->counter; |
||
797 | } |
||
798 | |||
799 | static int i915_wait_irq(struct drm_device * dev, int irq_nr) |
||
800 | { |
||
801 | drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; |
||
802 | struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; |
||
803 | int ret = 0; |
||
804 | struct intel_ring_buffer *ring = LP_RING(dev_priv); |
||
805 | |||
806 | DRM_DEBUG_DRIVER("irq_nr=%d breadcrumb=%d\n", irq_nr, |
||
807 | READ_BREADCRUMB(dev_priv)); |
||
808 | |||
809 | if (READ_BREADCRUMB(dev_priv) >= irq_nr) { |
||
810 | if (master_priv->sarea_priv) |
||
811 | master_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); |
||
812 | return 0; |
||
813 | } |
||
814 | |||
815 | if (master_priv->sarea_priv) |
||
816 | master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT; |
||
817 | |||
818 | if (ring->irq_get(ring)) { |
||
819 | DRM_WAIT_ON(ret, ring->irq_queue, 3 * DRM_HZ, |
||
820 | READ_BREADCRUMB(dev_priv) >= irq_nr); |
||
821 | ring->irq_put(ring); |
||
822 | } else if (wait_for(READ_BREADCRUMB(dev_priv) >= irq_nr, 3000)) |
||
823 | ret = -EBUSY; |
||
824 | |||
825 | if (ret == -EBUSY) { |
||
826 | DRM_ERROR("EBUSY -- rec: %d emitted: %d\n", |
||
827 | READ_BREADCRUMB(dev_priv), (int)dev_priv->counter); |
||
828 | } |
||
829 | |||
830 | return ret; |
||
831 | } |
||
832 | |||
833 | /* Needs the lock as it touches the ring. |
||
834 | */ |
||
835 | static int i915_irq_emit(struct drm_device *dev, void *data, |
||
836 | struct drm_file *file_priv) |
||
837 | { |
||
838 | drm_i915_private_t *dev_priv = dev->dev_private; |
||
839 | drm_i915_irq_emit_t *emit = data; |
||
840 | int result; |
||
841 | |||
842 | if (drm_core_check_feature(dev, DRIVER_MODESET)) |
||
843 | return -ENODEV; |
||
844 | |||
845 | if (!dev_priv || !LP_RING(dev_priv)->virtual_start) { |
||
846 | DRM_ERROR("called with no initialization\n"); |
||
847 | return -EINVAL; |
||
848 | } |
||
849 | |||
850 | RING_LOCK_TEST_WITH_RETURN(dev, file_priv); |
||
851 | |||
852 | mutex_lock(&dev->struct_mutex); |
||
853 | result = i915_emit_irq(dev); |
||
854 | mutex_unlock(&dev->struct_mutex); |
||
855 | |||
856 | if (DRM_COPY_TO_USER(emit->irq_seq, &result, sizeof(int))) { |
||
857 | DRM_ERROR("copy_to_user\n"); |
||
858 | return -EFAULT; |
||
859 | } |
||
860 | |||
861 | return 0; |
||
862 | } |
||
863 | |||
864 | /* Doesn't need the hardware lock. |
||
865 | */ |
||
866 | static int i915_irq_wait(struct drm_device *dev, void *data, |
||
867 | struct drm_file *file_priv) |
||
868 | { |
||
869 | drm_i915_private_t *dev_priv = dev->dev_private; |
||
870 | drm_i915_irq_wait_t *irqwait = data; |
||
871 | |||
872 | if (drm_core_check_feature(dev, DRIVER_MODESET)) |
||
873 | return -ENODEV; |
||
874 | |||
875 | if (!dev_priv) { |
||
876 | DRM_ERROR("called with no initialization\n"); |
||
877 | return -EINVAL; |
||
878 | } |
||
879 | |||
880 | return i915_wait_irq(dev, irqwait->irq_seq); |
||
881 | } |
||
882 | |||
883 | static int i915_vblank_pipe_get(struct drm_device *dev, void *data, |
||
884 | struct drm_file *file_priv) |
||
885 | { |
||
886 | drm_i915_private_t *dev_priv = dev->dev_private; |
||
887 | drm_i915_vblank_pipe_t *pipe = data; |
||
888 | |||
889 | if (drm_core_check_feature(dev, DRIVER_MODESET)) |
||
890 | return -ENODEV; |
||
891 | |||
892 | if (!dev_priv) { |
||
893 | DRM_ERROR("called with no initialization\n"); |
||
894 | return -EINVAL; |
||
895 | } |
||
896 | |||
897 | pipe->pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B; |
||
898 | |||
899 | return 0; |
||
900 | } |
||
901 | |||
902 | /** |
||
903 | * Schedule buffer swap at given vertical blank. |
||
904 | */ |
||
905 | static int i915_vblank_swap(struct drm_device *dev, void *data, |
||
906 | struct drm_file *file_priv) |
||
907 | { |
||
908 | /* The delayed swap mechanism was fundamentally racy, and has been |
||
909 | * removed. The model was that the client requested a delayed flip/swap |
||
910 | * from the kernel, then waited for vblank before continuing to perform |
||
911 | * rendering. The problem was that the kernel might wake the client |
||
912 | * up before it dispatched the vblank swap (since the lock has to be |
||
913 | * held while touching the ringbuffer), in which case the client would |
||
914 | * clear and start the next frame before the swap occurred, and |
||
915 | * flicker would occur in addition to likely missing the vblank. |
||
916 | * |
||
917 | * In the absence of this ioctl, userland falls back to a correct path |
||
918 | * of waiting for a vblank, then dispatching the swap on its own. |
||
919 | * Context switching to userland and back is plenty fast enough for |
||
920 | * meeting the requirements of vblank swapping. |
||
921 | */ |
||
922 | return -EINVAL; |
||
923 | } |
||
924 | |||
925 | static int i915_flip_bufs(struct drm_device *dev, void *data, |
||
926 | struct drm_file *file_priv) |
||
927 | { |
||
928 | int ret; |
||
929 | |||
930 | if (drm_core_check_feature(dev, DRIVER_MODESET)) |
||
931 | return -ENODEV; |
||
932 | |||
933 | DRM_DEBUG_DRIVER("%s\n", __func__); |
||
934 | |||
935 | RING_LOCK_TEST_WITH_RETURN(dev, file_priv); |
||
936 | |||
937 | mutex_lock(&dev->struct_mutex); |
||
938 | ret = i915_dispatch_flip(dev); |
||
939 | mutex_unlock(&dev->struct_mutex); |
||
940 | |||
941 | return ret; |
||
942 | } |
||
943 | |||
944 | static int i915_getparam(struct drm_device *dev, void *data, |
||
945 | struct drm_file *file_priv) |
||
946 | { |
||
947 | drm_i915_private_t *dev_priv = dev->dev_private; |
||
948 | drm_i915_getparam_t *param = data; |
||
949 | int value; |
||
950 | |||
951 | if (!dev_priv) { |
||
952 | DRM_ERROR("called with no initialization\n"); |
||
953 | return -EINVAL; |
||
954 | } |
||
955 | |||
956 | switch (param->param) { |
||
957 | case I915_PARAM_IRQ_ACTIVE: |
||
958 | value = dev->pdev->irq ? 1 : 0; |
||
959 | break; |
||
960 | case I915_PARAM_ALLOW_BATCHBUFFER: |
||
961 | value = dev_priv->dri1.allow_batchbuffer ? 1 : 0; |
||
962 | break; |
||
963 | case I915_PARAM_LAST_DISPATCH: |
||
964 | value = READ_BREADCRUMB(dev_priv); |
||
965 | break; |
||
966 | case I915_PARAM_CHIPSET_ID: |
||
967 | value = dev->pci_device; |
||
968 | break; |
||
969 | case I915_PARAM_HAS_GEM: |
||
970 | value = 1; |
||
971 | break; |
||
972 | case I915_PARAM_NUM_FENCES_AVAIL: |
||
973 | value = dev_priv->num_fence_regs - dev_priv->fence_reg_start; |
||
974 | break; |
||
975 | case I915_PARAM_HAS_OVERLAY: |
||
976 | value = dev_priv->overlay ? 1 : 0; |
||
977 | break; |
||
978 | case I915_PARAM_HAS_PAGEFLIPPING: |
||
979 | value = 1; |
||
980 | break; |
||
981 | case I915_PARAM_HAS_EXECBUF2: |
||
982 | /* depends on GEM */ |
||
983 | value = 1; |
||
984 | break; |
||
985 | case I915_PARAM_HAS_BSD: |
||
986 | value = intel_ring_initialized(&dev_priv->ring[VCS]); |
||
987 | break; |
||
988 | case I915_PARAM_HAS_BLT: |
||
989 | value = intel_ring_initialized(&dev_priv->ring[BCS]); |
||
990 | break; |
||
991 | case I915_PARAM_HAS_RELAXED_FENCING: |
||
992 | value = 1; |
||
993 | break; |
||
994 | case I915_PARAM_HAS_COHERENT_RINGS: |
||
995 | value = 1; |
||
996 | break; |
||
997 | case I915_PARAM_HAS_EXEC_CONSTANTS: |
||
998 | value = INTEL_INFO(dev)->gen >= 4; |
||
999 | break; |
||
1000 | case I915_PARAM_HAS_RELAXED_DELTA: |
||
1001 | value = 1; |
||
1002 | break; |
||
1003 | case I915_PARAM_HAS_GEN7_SOL_RESET: |
||
1004 | value = 1; |
||
1005 | break; |
||
1006 | case I915_PARAM_HAS_LLC: |
||
1007 | value = HAS_LLC(dev); |
||
1008 | break; |
||
1009 | case I915_PARAM_HAS_ALIASING_PPGTT: |
||
1010 | value = dev_priv->mm.aliasing_ppgtt ? 1 : 0; |
||
1011 | break; |
||
1012 | case I915_PARAM_HAS_WAIT_TIMEOUT: |
||
1013 | value = 1; |
||
1014 | break; |
||
1015 | case I915_PARAM_HAS_SEMAPHORES: |
||
1016 | value = i915_semaphore_is_enabled(dev); |
||
1017 | break; |
||
1018 | case I915_PARAM_HAS_PRIME_VMAP_FLUSH: |
||
1019 | value = 1; |
||
1020 | break; |
||
1021 | default: |
||
1022 | DRM_DEBUG_DRIVER("Unknown parameter %d\n", |
||
1023 | param->param); |
||
1024 | return -EINVAL; |
||
1025 | } |
||
1026 | |||
1027 | if (DRM_COPY_TO_USER(param->value, &value, sizeof(int))) { |
||
1028 | DRM_ERROR("DRM_COPY_TO_USER failed\n"); |
||
1029 | return -EFAULT; |
||
1030 | } |
||
1031 | |||
1032 | return 0; |
||
1033 | } |
||
1034 | |||
1035 | static int i915_setparam(struct drm_device *dev, void *data, |
||
1036 | struct drm_file *file_priv) |
||
1037 | { |
||
1038 | drm_i915_private_t *dev_priv = dev->dev_private; |
||
1039 | drm_i915_setparam_t *param = data; |
||
1040 | |||
1041 | if (!dev_priv) { |
||
1042 | DRM_ERROR("called with no initialization\n"); |
||
1043 | return -EINVAL; |
||
1044 | } |
||
1045 | |||
1046 | switch (param->param) { |
||
1047 | case I915_SETPARAM_USE_MI_BATCHBUFFER_START: |
||
1048 | break; |
||
1049 | case I915_SETPARAM_TEX_LRU_LOG_GRANULARITY: |
||
1050 | break; |
||
1051 | case I915_SETPARAM_ALLOW_BATCHBUFFER: |
||
1052 | dev_priv->dri1.allow_batchbuffer = param->value ? 1 : 0; |
||
1053 | break; |
||
1054 | case I915_SETPARAM_NUM_USED_FENCES: |
||
1055 | if (param->value > dev_priv->num_fence_regs || |
||
1056 | param->value < 0) |
||
1057 | return -EINVAL; |
||
1058 | /* Userspace can use first N regs */ |
||
1059 | dev_priv->fence_reg_start = param->value; |
||
1060 | break; |
||
1061 | default: |
||
1062 | DRM_DEBUG_DRIVER("unknown parameter %d\n", |
||
1063 | param->param); |
||
1064 | return -EINVAL; |
||
1065 | } |
||
1066 | |||
1067 | return 0; |
||
1068 | } |
||
1069 | #endif |
||
1070 | |||
1071 | |||
1072 | static int i915_set_status_page(struct drm_device *dev, void *data, |
||
1073 | struct drm_file *file_priv) |
||
1074 | { |
||
1075 | drm_i915_private_t *dev_priv = dev->dev_private; |
||
1076 | drm_i915_hws_addr_t *hws = data; |
||
1077 | struct intel_ring_buffer *ring = LP_RING(dev_priv); |
||
1078 | |||
1079 | if (drm_core_check_feature(dev, DRIVER_MODESET)) |
||
1080 | return -ENODEV; |
||
1081 | |||
1082 | if (!I915_NEED_GFX_HWS(dev)) |
||
1083 | return -EINVAL; |
||
1084 | |||
1085 | if (!dev_priv) { |
||
1086 | DRM_ERROR("called with no initialization\n"); |
||
1087 | return -EINVAL; |
||
1088 | } |
||
1089 | |||
1090 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
||
1091 | WARN(1, "tried to set status page when mode setting active\n"); |
||
1092 | return 0; |
||
1093 | } |
||
1094 | |||
1095 | DRM_DEBUG_DRIVER("set status page addr 0x%08x\n", (u32)hws->addr); |
||
1096 | |||
1097 | ring->status_page.gfx_addr = hws->addr & (0x1ffff<<12); |
||
1098 | |||
1099 | dev_priv->dri1.gfx_hws_cpu_addr = |
||
1100 | ioremap(dev_priv->mm.gtt_base_addr + hws->addr, 4096); |
||
1101 | if (dev_priv->dri1.gfx_hws_cpu_addr == NULL) { |
||
1102 | i915_dma_cleanup(dev); |
||
1103 | ring->status_page.gfx_addr = 0; |
||
1104 | DRM_ERROR("can not ioremap virtual address for" |
||
1105 | " G33 hw status page\n"); |
||
1106 | return -ENOMEM; |
||
1107 | } |
||
1108 | |||
1109 | memset(dev_priv->dri1.gfx_hws_cpu_addr, 0, PAGE_SIZE); |
||
1110 | I915_WRITE(HWS_PGA, ring->status_page.gfx_addr); |
||
1111 | |||
1112 | DRM_DEBUG_DRIVER("load hws HWS_PGA with gfx mem 0x%x\n", |
||
1113 | ring->status_page.gfx_addr); |
||
1114 | DRM_DEBUG_DRIVER("load hws at %p\n", |
||
1115 | ring->status_page.page_addr); |
||
1116 | return 0; |
||
1117 | } |
||
1118 | |||
1119 | static int i915_get_bridge_dev(struct drm_device *dev) |
||
1120 | { |
||
1121 | struct drm_i915_private *dev_priv = dev->dev_private; |
||
1122 | |||
1123 | dev_priv->bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0)); |
||
1124 | if (!dev_priv->bridge_dev) { |
||
1125 | DRM_ERROR("bridge device not found\n"); |
||
1126 | return -1; |
||
1127 | } |
||
1128 | return 0; |
||
1129 | } |
||
1130 | |||
2330 | Serge | 1131 | #define MCHBAR_I915 0x44 |
1132 | #define MCHBAR_I965 0x48 |
||
1133 | #define MCHBAR_SIZE (4*4096) |
||
1134 | |||
1135 | #define DEVEN_REG 0x54 |
||
1136 | #define DEVEN_MCHBAR_EN (1 << 28) |
||
1137 | |||
1138 | |||
1139 | |||
1140 | |||
1141 | /* Setup MCHBAR if possible, return true if we should disable it again */ |
||
1142 | static void |
||
1143 | intel_setup_mchbar(struct drm_device *dev) |
||
1144 | { |
||
1145 | drm_i915_private_t *dev_priv = dev->dev_private; |
||
1146 | int mchbar_reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915; |
||
1147 | u32 temp; |
||
1148 | bool enabled; |
||
1149 | |||
1150 | dev_priv->mchbar_need_disable = false; |
||
1151 | |||
1152 | if (IS_I915G(dev) || IS_I915GM(dev)) { |
||
1153 | pci_read_config_dword(dev_priv->bridge_dev, DEVEN_REG, &temp); |
||
1154 | enabled = !!(temp & DEVEN_MCHBAR_EN); |
||
1155 | } else { |
||
1156 | pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp); |
||
1157 | enabled = temp & 1; |
||
1158 | } |
||
1159 | |||
1160 | /* If it's already enabled, don't have to do anything */ |
||
1161 | if (enabled) |
||
1162 | return; |
||
1163 | |||
1164 | dbgprintf("Epic fail\n"); |
||
1165 | |||
1166 | #if 0 |
||
1167 | if (intel_alloc_mchbar_resource(dev)) |
||
1168 | return; |
||
1169 | |||
1170 | dev_priv->mchbar_need_disable = true; |
||
1171 | |||
1172 | /* Space is allocated or reserved, so enable it. */ |
||
1173 | if (IS_I915G(dev) || IS_I915GM(dev)) { |
||
1174 | pci_write_config_dword(dev_priv->bridge_dev, DEVEN_REG, |
||
1175 | temp | DEVEN_MCHBAR_EN); |
||
1176 | } else { |
||
1177 | pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp); |
||
1178 | pci_write_config_dword(dev_priv->bridge_dev, mchbar_reg, temp | 1); |
||
1179 | } |
||
1180 | #endif |
||
1181 | } |
||
1182 | |||
1183 | |||
3031 | serge | 1184 | /* true = enable decode, false = disable decoder */ |
1185 | static unsigned int i915_vga_set_decode(void *cookie, bool state) |
||
2330 | Serge | 1186 | { |
3031 | serge | 1187 | struct drm_device *dev = cookie; |
2330 | Serge | 1188 | |
3031 | serge | 1189 | intel_modeset_vga_set_state(dev, state); |
1190 | if (state) |
||
1191 | return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | |
||
1192 | VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; |
||
1193 | else |
||
1194 | return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; |
||
1195 | } |
||
2330 | Serge | 1196 | |
1197 | |||
1198 | |||
1199 | |||
1200 | |||
1201 | |||
2327 | Serge | 1202 | static int i915_load_modeset_init(struct drm_device *dev) |
1203 | { |
||
1204 | struct drm_i915_private *dev_priv = dev->dev_private; |
||
1205 | int ret; |
||
1206 | |||
1207 | ret = intel_parse_bios(dev); |
||
1208 | if (ret) |
||
1209 | DRM_INFO("failed to find VBIOS tables\n"); |
||
1210 | |||
1211 | // intel_register_dsm_handler(); |
||
1212 | |||
3031 | serge | 1213 | /* Initialise stolen first so that we may reserve preallocated |
1214 | * objects for the BIOS to KMS transition. |
||
1215 | */ |
||
1216 | ret = i915_gem_init_stolen(dev); |
||
1217 | if (ret) |
||
1218 | goto cleanup_vga_switcheroo; |
||
2327 | Serge | 1219 | |
1220 | intel_modeset_init(dev); |
||
1221 | |||
3031 | serge | 1222 | ret = i915_gem_init(dev); |
2327 | Serge | 1223 | if (ret) |
3031 | serge | 1224 | goto cleanup_gem_stolen; |
2327 | Serge | 1225 | |
1226 | intel_modeset_gem_init(dev); |
||
1227 | |||
2351 | Serge | 1228 | ret = drm_irq_install(dev); |
1229 | if (ret) |
||
1230 | goto cleanup_gem; |
||
2327 | Serge | 1231 | |
1232 | /* Always safe in the mode setting case. */ |
||
1233 | /* FIXME: do pre/post-mode set stuff in core KMS code */ |
||
1234 | dev->vblank_disable_allowed = 1; |
||
1235 | |||
1236 | ret = intel_fbdev_init(dev); |
||
1237 | if (ret) |
||
1238 | goto cleanup_irq; |
||
1239 | |||
2332 | Serge | 1240 | // drm_kms_helper_poll_init(dev); |
2327 | Serge | 1241 | |
1242 | /* We're off and running w/KMS */ |
||
1243 | dev_priv->mm.suspended = 0; |
||
1244 | |||
1245 | return 0; |
||
1246 | |||
1247 | cleanup_irq: |
||
1248 | // drm_irq_uninstall(dev); |
||
1249 | cleanup_gem: |
||
1250 | // mutex_lock(&dev->struct_mutex); |
||
1251 | // i915_gem_cleanup_ringbuffer(dev); |
||
1252 | // mutex_unlock(&dev->struct_mutex); |
||
3031 | serge | 1253 | // i915_gem_cleanup_aliasing_ppgtt(dev); |
1254 | cleanup_gem_stolen: |
||
1255 | // i915_gem_cleanup_stolen(dev); |
||
2327 | Serge | 1256 | cleanup_vga_switcheroo: |
1257 | // vga_switcheroo_unregister_client(dev->pdev); |
||
1258 | cleanup_vga_client: |
||
1259 | // vga_client_register(dev->pdev, NULL, NULL, NULL); |
||
1260 | out: |
||
1261 | return ret; |
||
1262 | } |
||
1263 | |||
1264 | |||
1265 | |||
2326 | Serge | 1266 | |
3031 | serge | 1267 | static void i915_dump_device_info(struct drm_i915_private *dev_priv) |
2326 | Serge | 1268 | { |
3031 | serge | 1269 | const struct intel_device_info *info = dev_priv->info; |
2326 | Serge | 1270 | |
3031 | serge | 1271 | #define DEV_INFO_FLAG(name) info->name ? #name "," : "" |
1272 | #define DEV_INFO_SEP , |
||
1273 | DRM_DEBUG_DRIVER("i915 device info: gen=%i, pciid=0x%04x flags=" |
||
1274 | "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", |
||
1275 | info->gen, |
||
1276 | dev_priv->dev->pdev->device, |
||
1277 | DEV_INFO_FLAGS); |
||
1278 | #undef DEV_INFO_FLAG |
||
1279 | #undef DEV_INFO_SEP |
||
2326 | Serge | 1280 | } |
1281 | |||
1282 | /** |
||
1283 | * i915_driver_load - setup chip and create an initial config |
||
1284 | * @dev: DRM device |
||
1285 | * @flags: startup flags |
||
1286 | * |
||
1287 | * The driver load routine has to do several things: |
||
1288 | * - drive output discovery via intel_modeset_init() |
||
1289 | * - initialize the memory manager |
||
1290 | * - allocate initial config memory |
||
1291 | * - setup the DRM framebuffer with the allocated memory |
||
1292 | */ |
||
1293 | int i915_driver_load(struct drm_device *dev, unsigned long flags) |
||
1294 | { |
||
1295 | struct drm_i915_private *dev_priv; |
||
3031 | serge | 1296 | struct intel_device_info *info; |
1297 | int ret = 0, mmio_bar, mmio_size; |
||
1298 | uint32_t aperture_size; |
||
2326 | Serge | 1299 | |
3031 | serge | 1300 | ENTER(); |
2326 | Serge | 1301 | |
3031 | serge | 1302 | info = (struct intel_device_info *) flags; |
1303 | |||
1304 | #if 0 |
||
1305 | /* Refuse to load on gen6+ without kms enabled. */ |
||
1306 | if (info->gen >= 6 && !drm_core_check_feature(dev, DRIVER_MODESET)) |
||
1307 | return -ENODEV; |
||
1308 | |||
1309 | /* i915 has 4 more counters */ |
||
1310 | dev->counters += 4; |
||
1311 | dev->types[6] = _DRM_STAT_IRQ; |
||
1312 | dev->types[7] = _DRM_STAT_PRIMARY; |
||
1313 | dev->types[8] = _DRM_STAT_SECONDARY; |
||
1314 | dev->types[9] = _DRM_STAT_DMA; |
||
1315 | #endif |
||
1316 | |||
2326 | Serge | 1317 | dev_priv = kzalloc(sizeof(drm_i915_private_t), GFP_KERNEL); |
1318 | if (dev_priv == NULL) |
||
1319 | return -ENOMEM; |
||
1320 | |||
1321 | dev->dev_private = (void *)dev_priv; |
||
1322 | dev_priv->dev = dev; |
||
3031 | serge | 1323 | dev_priv->info = info; |
2326 | Serge | 1324 | |
3031 | serge | 1325 | i915_dump_device_info(dev_priv); |
1326 | |||
2326 | Serge | 1327 | if (i915_get_bridge_dev(dev)) { |
1328 | ret = -EIO; |
||
1329 | goto free_priv; |
||
1330 | } |
||
1331 | |||
3031 | serge | 1332 | ret = intel_gmch_probe(dev_priv->bridge_dev, dev->pdev, NULL); |
1333 | if (!ret) { |
||
1334 | DRM_ERROR("failed to set up gmch\n"); |
||
1335 | ret = -EIO; |
||
1336 | goto put_bridge; |
||
1337 | } |
||
1338 | |||
1339 | dev_priv->mm.gtt = intel_gtt_get(); |
||
1340 | if (!dev_priv->mm.gtt) { |
||
1341 | DRM_ERROR("Failed to initialize GTT\n"); |
||
1342 | ret = -ENODEV; |
||
1343 | goto put_gmch; |
||
1344 | } |
||
1345 | |||
1346 | |||
1347 | pci_set_master(dev->pdev); |
||
1348 | |||
2326 | Serge | 1349 | /* overlay on gen2 is broken and can't address above 1G */ |
1350 | // if (IS_GEN2(dev)) |
||
1351 | // dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(30)); |
||
1352 | |||
1353 | /* 965GM sometimes incorrectly writes to hardware status page (HWS) |
||
1354 | * using 32bit addressing, overwriting memory if HWS is located |
||
1355 | * above 4GB. |
||
1356 | * |
||
1357 | * The documentation also mentions an issue with undefined |
||
1358 | * behaviour if any general state is accessed within a page above 4GB, |
||
1359 | * which also needs to be handled carefully. |
||
1360 | */ |
||
1361 | // if (IS_BROADWATER(dev) || IS_CRESTLINE(dev)) |
||
1362 | // dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(32)); |
||
1363 | |||
1364 | mmio_bar = IS_GEN2(dev) ? 1 : 0; |
||
3031 | serge | 1365 | /* Before gen4, the registers and the GTT are behind different BARs. |
1366 | * However, from gen4 onwards, the registers and the GTT are shared |
||
1367 | * in the same BAR, so we want to restrict this ioremap from |
||
1368 | * clobbering the GTT which we want ioremap_wc instead. Fortunately, |
||
1369 | * the register BAR remains the same size for all the earlier |
||
1370 | * generations up to Ironlake. |
||
1371 | */ |
||
1372 | if (info->gen < 5) |
||
1373 | mmio_size = 512*1024; |
||
1374 | else |
||
1375 | mmio_size = 2*1024*1024; |
||
1376 | |||
1377 | dev_priv->regs = pci_iomap(dev->pdev, mmio_bar, mmio_size); |
||
2326 | Serge | 1378 | if (!dev_priv->regs) { |
1379 | DRM_ERROR("failed to map registers\n"); |
||
1380 | ret = -EIO; |
||
3031 | serge | 1381 | goto put_gmch; |
2326 | Serge | 1382 | } |
1383 | |||
3031 | serge | 1384 | aperture_size = dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT; |
1385 | dev_priv->mm.gtt_base_addr = dev_priv->mm.gtt->gma_bus_addr; |
||
2326 | Serge | 1386 | |
3031 | serge | 1387 | dbgprintf("gtt_base_addr %x aperture_size %d\n", |
1388 | dev_priv->mm.gtt_base_addr, aperture_size ); |
||
2326 | Serge | 1389 | |
3031 | serge | 1390 | // dev_priv->mm.gtt_mapping = |
1391 | // io_mapping_create_wc(dev_priv->mm.gtt_base_addr, |
||
1392 | // aperture_size); |
||
1393 | // if (dev_priv->mm.gtt_mapping == NULL) { |
||
1394 | // ret = -EIO; |
||
2326 | Serge | 1395 | // goto out_rmmap; |
1396 | // } |
||
1397 | |||
3031 | serge | 1398 | // i915_mtrr_setup(dev_priv, dev_priv->mm.gtt_base_addr, |
1399 | // aperture_size); |
||
2326 | Serge | 1400 | |
1401 | /* The i915 workqueue is primarily used for batched retirement of |
||
1402 | * requests (and thus managing bo) once the task has been completed |
||
1403 | * by the GPU. i915_gem_retire_requests() is called directly when we |
||
1404 | * need high-priority retirement, such as waiting for an explicit |
||
1405 | * bo. |
||
1406 | * |
||
1407 | * It is also used for periodic low-priority events, such as |
||
1408 | * idle-timers and recording error state. |
||
1409 | * |
||
1410 | * All tasks on the workqueue are expected to acquire the dev mutex |
||
1411 | * so there is no point in running more than one instance of the |
||
3031 | serge | 1412 | * workqueue at any time. Use an ordered one. |
2326 | Serge | 1413 | */ |
3031 | serge | 1414 | dev_priv->wq = alloc_ordered_workqueue("i915", 0); |
2360 | Serge | 1415 | if (dev_priv->wq == NULL) { |
1416 | DRM_ERROR("Failed to create our workqueue.\n"); |
||
1417 | ret = -ENOMEM; |
||
1418 | goto out_mtrrfree; |
||
1419 | } |
||
2326 | Serge | 1420 | |
3031 | serge | 1421 | /* This must be called before any calls to HAS_PCH_* */ |
1422 | intel_detect_pch(dev); |
||
2326 | Serge | 1423 | |
2351 | Serge | 1424 | intel_irq_init(dev); |
3031 | serge | 1425 | intel_gt_init(dev); |
2326 | Serge | 1426 | |
1427 | /* Try to make sure MCHBAR is enabled before poking at it */ |
||
2330 | Serge | 1428 | intel_setup_mchbar(dev); |
2326 | Serge | 1429 | intel_setup_gmbus(dev); |
2327 | Serge | 1430 | intel_opregion_setup(dev); |
2326 | Serge | 1431 | |
1432 | /* Make sure the bios did its job and set up vital registers */ |
||
2330 | Serge | 1433 | intel_setup_bios(dev); |
2326 | Serge | 1434 | |
1435 | i915_gem_load(dev); |
||
1436 | |||
1437 | /* Init HWS */ |
||
1438 | if (!I915_NEED_GFX_HWS(dev)) { |
||
1439 | ret = i915_init_phys_hws(dev); |
||
1440 | if (ret) |
||
1441 | goto out_gem_unload; |
||
1442 | } |
||
1443 | |||
1444 | /* On the 945G/GM, the chipset reports the MSI capability on the |
||
1445 | * integrated graphics even though the support isn't actually there |
||
1446 | * according to the published specs. It doesn't appear to function |
||
1447 | * correctly in testing on 945G. |
||
1448 | * This may be a side effect of MSI having been made available for PEG |
||
1449 | * and the registers being closely associated. |
||
1450 | * |
||
1451 | * According to chipset errata, on the 965GM, MSI interrupts may |
||
1452 | * be lost or delayed, but we use them anyways to avoid |
||
1453 | * stuck interrupts on some machines. |
||
1454 | */ |
||
1455 | |||
1456 | spin_lock_init(&dev_priv->irq_lock); |
||
1457 | spin_lock_init(&dev_priv->error_lock); |
||
3031 | serge | 1458 | spin_lock_init(&dev_priv->rps.lock); |
1459 | spin_lock_init(&dev_priv->dpio_lock); |
||
2326 | Serge | 1460 | |
3031 | serge | 1461 | if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) |
2342 | Serge | 1462 | dev_priv->num_pipe = 3; |
1463 | else if (IS_MOBILE(dev) || !IS_GEN2(dev)) |
||
2326 | Serge | 1464 | dev_priv->num_pipe = 2; |
1465 | else |
||
1466 | dev_priv->num_pipe = 1; |
||
1467 | |||
1468 | // ret = drm_vblank_init(dev, dev_priv->num_pipe); |
||
1469 | // if (ret) |
||
1470 | // goto out_gem_unload; |
||
1471 | |||
1472 | /* Start out suspended */ |
||
1473 | dev_priv->mm.suspended = 1; |
||
1474 | |||
2327 | Serge | 1475 | ret = i915_load_modeset_init(dev); |
1476 | if (ret < 0) { |
||
1477 | DRM_ERROR("failed to init modeset\n"); |
||
1478 | goto out_gem_unload; |
||
1479 | } |
||
2326 | Serge | 1480 | |
1481 | /* Must be done after probing outputs */ |
||
1482 | // intel_opregion_init(dev); |
||
1483 | // acpi_video_register(); |
||
1484 | |||
1485 | // setup_timer(&dev_priv->hangcheck_timer, i915_hangcheck_elapsed, |
||
1486 | // (unsigned long) dev); |
||
1487 | |||
1488 | |||
3031 | serge | 1489 | if (IS_GEN5(dev)) |
1490 | intel_gpu_ips_init(dev_priv); |
||
2326 | Serge | 1491 | |
1492 | LEAVE(); |
||
1493 | |||
1494 | return 0; |
||
1495 | |||
1496 | out_gem_unload: |
||
1497 | // if (dev_priv->mm.inactive_shrinker.shrink) |
||
1498 | // unregister_shrinker(&dev_priv->mm.inactive_shrinker); |
||
1499 | |||
1500 | // if (dev->pdev->msi_enabled) |
||
1501 | // pci_disable_msi(dev->pdev); |
||
1502 | |||
1503 | // intel_teardown_gmbus(dev); |
||
1504 | // intel_teardown_mchbar(dev); |
||
1505 | // destroy_workqueue(dev_priv->wq); |
||
1506 | out_mtrrfree: |
||
3031 | serge | 1507 | // if (dev_priv->mm.gtt_mtrr >= 0) { |
1508 | // mtrr_del(dev_priv->mm.gtt_mtrr, |
||
1509 | // dev_priv->mm.gtt_base_addr, |
||
1510 | // aperture_size); |
||
1511 | // dev_priv->mm.gtt_mtrr = -1; |
||
1512 | // } |
||
1513 | // io_mapping_free(dev_priv->mm.gtt_mapping); |
||
2326 | Serge | 1514 | out_rmmap: |
1515 | pci_iounmap(dev->pdev, dev_priv->regs); |
||
3031 | serge | 1516 | put_gmch: |
1517 | // intel_gmch_remove(); |
||
2326 | Serge | 1518 | put_bridge: |
1519 | // pci_dev_put(dev_priv->bridge_dev); |
||
1520 | free_priv: |
||
1521 | kfree(dev_priv); |
||
1522 | return ret; |
||
1523 | } |
||
1524 | |||
3031 | serge | 1525 | #if 0 |
1526 | |||
1527 | int i915_driver_unload(struct drm_device *dev) |
||
1528 | { |
||
1529 | struct drm_i915_private *dev_priv = dev->dev_private; |
||
1530 | int ret; |
||
1531 | |||
1532 | intel_gpu_ips_teardown(); |
||
1533 | |||
1534 | i915_teardown_sysfs(dev); |
||
1535 | |||
1536 | if (dev_priv->mm.inactive_shrinker.shrink) |
||
1537 | unregister_shrinker(&dev_priv->mm.inactive_shrinker); |
||
1538 | |||
1539 | mutex_lock(&dev->struct_mutex); |
||
1540 | ret = i915_gpu_idle(dev); |
||
1541 | if (ret) |
||
1542 | DRM_ERROR("failed to idle hardware: %d\n", ret); |
||
1543 | i915_gem_retire_requests(dev); |
||
1544 | mutex_unlock(&dev->struct_mutex); |
||
1545 | |||
1546 | /* Cancel the retire work handler, which should be idle now. */ |
||
1547 | cancel_delayed_work_sync(&dev_priv->mm.retire_work); |
||
1548 | |||
1549 | io_mapping_free(dev_priv->mm.gtt_mapping); |
||
1550 | if (dev_priv->mm.gtt_mtrr >= 0) { |
||
1551 | mtrr_del(dev_priv->mm.gtt_mtrr, |
||
1552 | dev_priv->mm.gtt_base_addr, |
||
1553 | dev_priv->mm.gtt->gtt_mappable_entries * PAGE_SIZE); |
||
1554 | dev_priv->mm.gtt_mtrr = -1; |
||
1555 | } |
||
1556 | |||
1557 | acpi_video_unregister(); |
||
1558 | |||
1559 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
||
1560 | intel_fbdev_fini(dev); |
||
1561 | intel_modeset_cleanup(dev); |
||
1562 | |||
1563 | /* |
||
1564 | * free the memory space allocated for the child device |
||
1565 | * config parsed from VBT |
||
1566 | */ |
||
1567 | if (dev_priv->child_dev && dev_priv->child_dev_num) { |
||
1568 | kfree(dev_priv->child_dev); |
||
1569 | dev_priv->child_dev = NULL; |
||
1570 | dev_priv->child_dev_num = 0; |
||
1571 | } |
||
1572 | |||
1573 | vga_switcheroo_unregister_client(dev->pdev); |
||
1574 | vga_client_register(dev->pdev, NULL, NULL, NULL); |
||
1575 | } |
||
1576 | |||
1577 | /* Free error state after interrupts are fully disabled. */ |
||
1578 | del_timer_sync(&dev_priv->hangcheck_timer); |
||
1579 | cancel_work_sync(&dev_priv->error_work); |
||
1580 | i915_destroy_error_state(dev); |
||
1581 | |||
1582 | if (dev->pdev->msi_enabled) |
||
1583 | pci_disable_msi(dev->pdev); |
||
1584 | |||
1585 | intel_opregion_fini(dev); |
||
1586 | |||
1587 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
||
1588 | /* Flush any outstanding unpin_work. */ |
||
1589 | flush_workqueue(dev_priv->wq); |
||
1590 | |||
1591 | mutex_lock(&dev->struct_mutex); |
||
1592 | i915_gem_free_all_phys_object(dev); |
||
1593 | i915_gem_cleanup_ringbuffer(dev); |
||
1594 | i915_gem_context_fini(dev); |
||
1595 | mutex_unlock(&dev->struct_mutex); |
||
1596 | i915_gem_cleanup_aliasing_ppgtt(dev); |
||
1597 | i915_gem_cleanup_stolen(dev); |
||
1598 | drm_mm_takedown(&dev_priv->mm.stolen); |
||
1599 | |||
1600 | intel_cleanup_overlay(dev); |
||
1601 | |||
1602 | if (!I915_NEED_GFX_HWS(dev)) |
||
1603 | i915_free_hws(dev); |
||
1604 | } |
||
1605 | |||
1606 | if (dev_priv->regs != NULL) |
||
1607 | pci_iounmap(dev->pdev, dev_priv->regs); |
||
1608 | |||
1609 | intel_teardown_gmbus(dev); |
||
1610 | intel_teardown_mchbar(dev); |
||
1611 | |||
1612 | destroy_workqueue(dev_priv->wq); |
||
1613 | |||
1614 | pci_dev_put(dev_priv->bridge_dev); |
||
1615 | kfree(dev->dev_private); |
||
1616 | |||
1617 | return 0; |
||
1618 | } |
||
1619 | |||
1620 | int i915_driver_open(struct drm_device *dev, struct drm_file *file) |
||
1621 | { |
||
1622 | struct drm_i915_file_private *file_priv; |
||
1623 | |||
1624 | DRM_DEBUG_DRIVER("\n"); |
||
1625 | file_priv = kmalloc(sizeof(*file_priv), GFP_KERNEL); |
||
1626 | if (!file_priv) |
||
1627 | return -ENOMEM; |
||
1628 | |||
1629 | file->driver_priv = file_priv; |
||
1630 | |||
1631 | spin_lock_init(&file_priv->mm.lock); |
||
1632 | INIT_LIST_HEAD(&file_priv->mm.request_list); |
||
1633 | |||
1634 | idr_init(&file_priv->context_idr); |
||
1635 | |||
1636 | return 0; |
||
1637 | } |
||
1638 | |||
1639 | /** |
||
1640 | * i915_driver_lastclose - clean up after all DRM clients have exited |
||
1641 | * @dev: DRM device |
||
1642 | * |
||
1643 | * Take care of cleaning up after all DRM clients have exited. In the |
||
1644 | * mode setting case, we want to restore the kernel's initial mode (just |
||
1645 | * in case the last client left us in a bad state). |
||
1646 | * |
||
1647 | * Additionally, in the non-mode setting case, we'll tear down the GTT |
||
1648 | * and DMA structures, since the kernel won't be using them, and clea |
||
1649 | * up any GEM state. |
||
1650 | */ |
||
1651 | void i915_driver_lastclose(struct drm_device * dev) |
||
1652 | { |
||
1653 | drm_i915_private_t *dev_priv = dev->dev_private; |
||
1654 | |||
1655 | /* On gen6+ we refuse to init without kms enabled, but then the drm core |
||
1656 | * goes right around and calls lastclose. Check for this and don't clean |
||
1657 | * up anything. */ |
||
1658 | if (!dev_priv) |
||
1659 | return; |
||
1660 | |||
1661 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
||
1662 | intel_fb_restore_mode(dev); |
||
1663 | vga_switcheroo_process_delayed_switch(); |
||
1664 | return; |
||
1665 | } |
||
1666 | |||
1667 | i915_gem_lastclose(dev); |
||
1668 | |||
1669 | i915_dma_cleanup(dev); |
||
1670 | } |
||
1671 | |||
1672 | void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv) |
||
1673 | { |
||
1674 | i915_gem_context_close(dev, file_priv); |
||
1675 | i915_gem_release(dev, file_priv); |
||
1676 | } |
||
1677 | |||
1678 | void i915_driver_postclose(struct drm_device *dev, struct drm_file *file) |
||
1679 | { |
||
1680 | struct drm_i915_file_private *file_priv = file->driver_priv; |
||
1681 | |||
1682 | kfree(file_priv); |
||
1683 | } |
||
1684 | |||
1685 | struct drm_ioctl_desc i915_ioctls[] = { |
||
1686 | DRM_IOCTL_DEF_DRV(I915_INIT, i915_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
||
1687 | DRM_IOCTL_DEF_DRV(I915_FLUSH, i915_flush_ioctl, DRM_AUTH), |
||
1688 | DRM_IOCTL_DEF_DRV(I915_FLIP, i915_flip_bufs, DRM_AUTH), |
||
1689 | DRM_IOCTL_DEF_DRV(I915_BATCHBUFFER, i915_batchbuffer, DRM_AUTH), |
||
1690 | DRM_IOCTL_DEF_DRV(I915_IRQ_EMIT, i915_irq_emit, DRM_AUTH), |
||
1691 | DRM_IOCTL_DEF_DRV(I915_IRQ_WAIT, i915_irq_wait, DRM_AUTH), |
||
1692 | DRM_IOCTL_DEF_DRV(I915_GETPARAM, i915_getparam, DRM_AUTH), |
||
1693 | DRM_IOCTL_DEF_DRV(I915_SETPARAM, i915_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
||
1694 | DRM_IOCTL_DEF_DRV(I915_ALLOC, drm_noop, DRM_AUTH), |
||
1695 | DRM_IOCTL_DEF_DRV(I915_FREE, drm_noop, DRM_AUTH), |
||
1696 | DRM_IOCTL_DEF_DRV(I915_INIT_HEAP, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
||
1697 | DRM_IOCTL_DEF_DRV(I915_CMDBUFFER, i915_cmdbuffer, DRM_AUTH), |
||
1698 | DRM_IOCTL_DEF_DRV(I915_DESTROY_HEAP, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
||
1699 | DRM_IOCTL_DEF_DRV(I915_SET_VBLANK_PIPE, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
||
1700 | DRM_IOCTL_DEF_DRV(I915_GET_VBLANK_PIPE, i915_vblank_pipe_get, DRM_AUTH), |
||
1701 | DRM_IOCTL_DEF_DRV(I915_VBLANK_SWAP, i915_vblank_swap, DRM_AUTH), |
||
1702 | DRM_IOCTL_DEF_DRV(I915_HWS_ADDR, i915_set_status_page, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
||
1703 | DRM_IOCTL_DEF_DRV(I915_GEM_INIT, i915_gem_init_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED), |
||
1704 | DRM_IOCTL_DEF_DRV(I915_GEM_EXECBUFFER, i915_gem_execbuffer, DRM_AUTH|DRM_UNLOCKED), |
||
1705 | DRM_IOCTL_DEF_DRV(I915_GEM_EXECBUFFER2, i915_gem_execbuffer2, DRM_AUTH|DRM_UNLOCKED), |
||
1706 | DRM_IOCTL_DEF_DRV(I915_GEM_PIN, i915_gem_pin_ioctl, DRM_AUTH|DRM_ROOT_ONLY|DRM_UNLOCKED), |
||
1707 | DRM_IOCTL_DEF_DRV(I915_GEM_UNPIN, i915_gem_unpin_ioctl, DRM_AUTH|DRM_ROOT_ONLY|DRM_UNLOCKED), |
||
1708 | DRM_IOCTL_DEF_DRV(I915_GEM_BUSY, i915_gem_busy_ioctl, DRM_AUTH|DRM_UNLOCKED), |
||
1709 | DRM_IOCTL_DEF_DRV(I915_GEM_SET_CACHING, i915_gem_set_caching_ioctl, DRM_UNLOCKED), |
||
1710 | DRM_IOCTL_DEF_DRV(I915_GEM_GET_CACHING, i915_gem_get_caching_ioctl, DRM_UNLOCKED), |
||
1711 | DRM_IOCTL_DEF_DRV(I915_GEM_THROTTLE, i915_gem_throttle_ioctl, DRM_AUTH|DRM_UNLOCKED), |
||
1712 | DRM_IOCTL_DEF_DRV(I915_GEM_ENTERVT, i915_gem_entervt_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED), |
||
1713 | DRM_IOCTL_DEF_DRV(I915_GEM_LEAVEVT, i915_gem_leavevt_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED), |
||
1714 | DRM_IOCTL_DEF_DRV(I915_GEM_CREATE, i915_gem_create_ioctl, DRM_UNLOCKED), |
||
1715 | DRM_IOCTL_DEF_DRV(I915_GEM_PREAD, i915_gem_pread_ioctl, DRM_UNLOCKED), |
||
1716 | DRM_IOCTL_DEF_DRV(I915_GEM_PWRITE, i915_gem_pwrite_ioctl, DRM_UNLOCKED), |
||
1717 | DRM_IOCTL_DEF_DRV(I915_GEM_MMAP, i915_gem_mmap_ioctl, DRM_UNLOCKED), |
||
1718 | DRM_IOCTL_DEF_DRV(I915_GEM_MMAP_GTT, i915_gem_mmap_gtt_ioctl, DRM_UNLOCKED), |
||
1719 | DRM_IOCTL_DEF_DRV(I915_GEM_SET_DOMAIN, i915_gem_set_domain_ioctl, DRM_UNLOCKED), |
||
1720 | DRM_IOCTL_DEF_DRV(I915_GEM_SW_FINISH, i915_gem_sw_finish_ioctl, DRM_UNLOCKED), |
||
1721 | DRM_IOCTL_DEF_DRV(I915_GEM_SET_TILING, i915_gem_set_tiling, DRM_UNLOCKED), |
||
1722 | DRM_IOCTL_DEF_DRV(I915_GEM_GET_TILING, i915_gem_get_tiling, DRM_UNLOCKED), |
||
1723 | DRM_IOCTL_DEF_DRV(I915_GEM_GET_APERTURE, i915_gem_get_aperture_ioctl, DRM_UNLOCKED), |
||
1724 | DRM_IOCTL_DEF_DRV(I915_GET_PIPE_FROM_CRTC_ID, intel_get_pipe_from_crtc_id, DRM_UNLOCKED), |
||
1725 | DRM_IOCTL_DEF_DRV(I915_GEM_MADVISE, i915_gem_madvise_ioctl, DRM_UNLOCKED), |
||
1726 | DRM_IOCTL_DEF_DRV(I915_OVERLAY_PUT_IMAGE, intel_overlay_put_image, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), |
||
1727 | DRM_IOCTL_DEF_DRV(I915_OVERLAY_ATTRS, intel_overlay_attrs, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), |
||
1728 | DRM_IOCTL_DEF_DRV(I915_SET_SPRITE_COLORKEY, intel_sprite_set_colorkey, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), |
||
1729 | DRM_IOCTL_DEF_DRV(I915_GET_SPRITE_COLORKEY, intel_sprite_get_colorkey, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), |
||
1730 | DRM_IOCTL_DEF_DRV(I915_GEM_WAIT, i915_gem_wait_ioctl, DRM_AUTH|DRM_UNLOCKED), |
||
1731 | DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_CREATE, i915_gem_context_create_ioctl, DRM_UNLOCKED), |
||
1732 | DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_DESTROY, i915_gem_context_destroy_ioctl, DRM_UNLOCKED), |
||
1733 | DRM_IOCTL_DEF_DRV(I915_REG_READ, i915_reg_read_ioctl, DRM_UNLOCKED), |
||
1734 | }; |
||
1735 | |||
1736 | int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); |
||
1737 | |||
1738 | /* |
||
1739 | * This is really ugly: Because old userspace abused the linux agp interface to |
||
1740 | * manage the gtt, we need to claim that all intel devices are agp. For |
||
1741 | * otherwise the drm core refuses to initialize the agp support code. |
||
1742 | */ |
||
1743 | int i915_driver_device_is_agp(struct drm_device * dev) |
||
1744 | { |
||
1745 | return 1; |
||
1746 | } |
||
1747 | #endif>><>>><>12); |