WebSVN – Kolibri OS – Diff – /drivers/video/drm/i915/intel_sprite.c

 #include
 #include "intel_drv.h"
 #include
 #include "i915_drv.h"
+static bool
+format_is_yuv(uint32_t format)
+{
+	switch (format) {
+	case DRM_FORMAT_YUYV:
+	case DRM_FORMAT_UYVY:
+	case DRM_FORMAT_VYUY:
+	case DRM_FORMAT_YVYU:
+		return true;
+	default:
+		return false;
+	}
+}
 static int usecs_to_scanlines(const struct drm_display_mode *mode, int usecs)
+{
 	/* paranoia */
 	if (!mode->crtc_htotal)
 		return 1;
+	return DIV_ROUND_UP(usecs * mode->crtc_clock, 1000 * mode->crtc_htotal);
+}
+/**
+ * intel_pipe_update_start() - start update of a set of display registers
+ * @crtc: the crtc of which the registers are going to be updated
+ * @start_vbl_count: vblank counter return pointer used for error checking
+ *
+ * Mark the start of an update to pipe registers that should be updated
+ * atomically regarding vblank. If the next vblank will happens within
+ * the next 100 us, this function waits until the vblank passes.
+ *
+ * After a successful call to this function, interrupts will be disabled
+ * until a subsequent call to intel_pipe_update_end(). That is done to
+ * avoid random delays. The value written to @start_vbl_count should be
+ * supplied to intel_pipe_update_end() for error checking.
-	return DIV_ROUND_UP(usecs * mode->crtc_clock, 1000 * mode->crtc_htotal);
+ *
  * Return: true if the call was successful
  */
-static bool intel_pipe_update_start(struct intel_crtc *crtc, uint32_t *start_vbl_count)
+bool intel_pipe_update_start(struct intel_crtc *crtc, uint32_t *start_vbl_count)
+{
 	struct drm_device *dev = crtc->base.dev;
 	const struct drm_display_mode *mode = &crtc->config.adjusted_mode;
+	enum pipe pipe = crtc->pipe;
-	enum pipe pipe = crtc->pipe;
+	long timeout = msecs_to_jiffies_timeout(1);
-	long timeout = msecs_to_jiffies_timeout(1);
-	int scanline, min, max, vblank_start;
-	DEFINE_WAIT(wait);
+	int scanline, min, max, vblank_start;
 	wait_queue_head_t *wq = drm_crtc_vblank_waitqueue(&crtc->base);
-	WARN_ON(!drm_modeset_is_locked(&crtc->base.mutex));
+	DEFINE_WAIT(wait);
 		/*
 		 * prepare_to_wait() has a memory barrier, which guarantees
 		 * other CPUs can see the task state update by the time we
 		 * read the scanline.
 		 */
-		prepare_to_wait(&crtc->vbl_wait, &wait, TASK_UNINTERRUPTIBLE);
+		prepare_to_wait(wq, &wait, TASK_UNINTERRUPTIBLE);
 		scanline = intel_get_crtc_scanline(crtc);
 		if (scanline < min || scanline > max)
         schedule_timeout(timeout);
         timeout = 0;
 //       local_irq_disable();
+	}
-	finish_wait(&crtc->vbl_wait, &wait);
+	finish_wait(wq, &wait);
 //   drm_vblank_put(dev, pipe);
 	*start_vbl_count = dev->driver->get_vblank_counter(dev, pipe);
+//   trace_i915_pipe_update_vblank_evaded(crtc, min, max, *start_vbl_count);
+	return true;
+}
+/**
+ * intel_pipe_update_end() - end update of a set of display registers
+ * @crtc: the crtc of which the registers were updated
+ * @start_vbl_count: start vblank counter (used for error checking)
 //   trace_i915_pipe_update_vblank_evaded(crtc, min, max, *start_vbl_count);
  * Mark the end of an update started with intel_pipe_update_start(). This
-	return true;
+ * re-enables interrupts and verifies the update was actually completed
  * before a vblank using the value of @start_vbl_count.
 	else
 		I915_WRITE(reg, I915_READ(reg) & ~DISPLAY_PLANE_ENABLE);
+}
+static void
+skl_update_plane(struct drm_plane *drm_plane, struct drm_crtc *crtc,
+		 struct drm_framebuffer *fb,
+		 struct drm_i915_gem_object *obj, int crtc_x, int crtc_y,
+		 unsigned int crtc_w, unsigned int crtc_h,
+		 uint32_t x, uint32_t y,
+		 uint32_t src_w, uint32_t src_h)
+{
+	struct drm_device *dev = drm_plane->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_plane *intel_plane = to_intel_plane(drm_plane);
+	const int pipe = intel_plane->pipe;
+	const int plane = intel_plane->plane + 1;
+	u32 plane_ctl, stride;
+	int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0);
+	plane_ctl = I915_READ(PLANE_CTL(pipe, plane));
+	/* Mask out pixel format bits in case we change it */
+	plane_ctl &= ~PLANE_CTL_FORMAT_MASK;
+	plane_ctl &= ~PLANE_CTL_ORDER_RGBX;
+	plane_ctl &= ~PLANE_CTL_YUV422_ORDER_MASK;
+	plane_ctl &= ~PLANE_CTL_TILED_MASK;
+	plane_ctl &= ~PLANE_CTL_ALPHA_MASK;
+	plane_ctl &= ~PLANE_CTL_ROTATE_MASK;
+	/* Trickle feed has to be enabled */
+	plane_ctl &= ~PLANE_CTL_TRICKLE_FEED_DISABLE;
+	switch (fb->pixel_format) {
+	case DRM_FORMAT_RGB565:
+		plane_ctl |= PLANE_CTL_FORMAT_RGB_565;
+		break;
+	case DRM_FORMAT_XBGR8888:
+		plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888 | PLANE_CTL_ORDER_RGBX;
+		break;
+	case DRM_FORMAT_XRGB8888:
+		plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888;
+		break;
+	/*
+	 * XXX: For ARBG/ABGR formats we default to expecting scanout buffers
+	 * to be already pre-multiplied. We need to add a knob (or a different
+	 * DRM_FORMAT) for user-space to configure that.
+	 */
+	case DRM_FORMAT_ABGR8888:
+		plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888 |
+			     PLANE_CTL_ORDER_RGBX |
+			     PLANE_CTL_ALPHA_SW_PREMULTIPLY;
+		break;
+	case DRM_FORMAT_ARGB8888:
+		plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888 |
+			     PLANE_CTL_ALPHA_SW_PREMULTIPLY;
+		break;
+	case DRM_FORMAT_YUYV:
+		plane_ctl |= PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_YUYV;
+		break;
+	case DRM_FORMAT_YVYU:
+		plane_ctl |= PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_YVYU;
+		break;
+	case DRM_FORMAT_UYVY:
+		plane_ctl |= PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_UYVY;
+		break;
+	case DRM_FORMAT_VYUY:
+		plane_ctl |= PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_VYUY;
+		break;
+	default:
+		BUG();
+	}
+	switch (obj->tiling_mode) {
+	case I915_TILING_NONE:
+		stride = fb->pitches[0] >> 6;
+		break;
+	case I915_TILING_X:
+		plane_ctl |= PLANE_CTL_TILED_X;
+		stride = fb->pitches[0] >> 9;
+		break;
+	default:
+		BUG();
+	}
+	if (intel_plane->rotation == BIT(DRM_ROTATE_180))
+		plane_ctl |= PLANE_CTL_ROTATE_180;
+	plane_ctl |= PLANE_CTL_ENABLE;
+	plane_ctl |= PLANE_CTL_PIPE_CSC_ENABLE;
+	intel_update_sprite_watermarks(drm_plane, crtc, src_w, src_h,
+				       pixel_size, true,
+				       src_w != crtc_w || src_h != crtc_h);
+	/* Sizes are 0 based */
+	src_w--;
+	src_h--;
+	crtc_w--;
+	crtc_h--;
+	I915_WRITE(PLANE_OFFSET(pipe, plane), (y << 16) | x);
+	I915_WRITE(PLANE_STRIDE(pipe, plane), stride);
+	I915_WRITE(PLANE_POS(pipe, plane), (crtc_y << 16) | crtc_x);
+	I915_WRITE(PLANE_SIZE(pipe, plane), (crtc_h << 16) | crtc_w);
+	I915_WRITE(PLANE_CTL(pipe, plane), plane_ctl);
+	I915_WRITE(PLANE_SURF(pipe, plane), i915_gem_obj_ggtt_offset(obj));
+	POSTING_READ(PLANE_SURF(pipe, plane));
+}
+static void
+skl_disable_plane(struct drm_plane *drm_plane, struct drm_crtc *crtc)
+{
+	struct drm_device *dev = drm_plane->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_plane *intel_plane = to_intel_plane(drm_plane);
+	const int pipe = intel_plane->pipe;
+	const int plane = intel_plane->plane + 1;
+	I915_WRITE(PLANE_CTL(pipe, plane),
+		   I915_READ(PLANE_CTL(pipe, plane)) & ~PLANE_CTL_ENABLE);
+	/* Activate double buffered register update */
+	I915_WRITE(PLANE_CTL(pipe, plane), 0);
+	POSTING_READ(PLANE_CTL(pipe, plane));
+	intel_update_sprite_watermarks(drm_plane, crtc, 0, 0, 0, false, false);
+}
+static int
+skl_update_colorkey(struct drm_plane *drm_plane,
+		    struct drm_intel_sprite_colorkey *key)
+{
+	struct drm_device *dev = drm_plane->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_plane *intel_plane = to_intel_plane(drm_plane);
+	const int pipe = intel_plane->pipe;
+	const int plane = intel_plane->plane;
+	u32 plane_ctl;
+	I915_WRITE(PLANE_KEYVAL(pipe, plane), key->min_value);
+	I915_WRITE(PLANE_KEYMAX(pipe, plane), key->max_value);
+	I915_WRITE(PLANE_KEYMSK(pipe, plane), key->channel_mask);
+	plane_ctl = I915_READ(PLANE_CTL(pipe, plane));
+	plane_ctl &= ~PLANE_CTL_KEY_ENABLE_MASK;
+	if (key->flags & I915_SET_COLORKEY_DESTINATION)
+		plane_ctl |= PLANE_CTL_KEY_ENABLE_DESTINATION;
+	else if (key->flags & I915_SET_COLORKEY_SOURCE)
+		plane_ctl |= PLANE_CTL_KEY_ENABLE_SOURCE;
+	I915_WRITE(PLANE_CTL(pipe, plane), plane_ctl);
+	POSTING_READ(PLANE_CTL(pipe, plane));
+	return 0;
+}
+static void
+skl_get_colorkey(struct drm_plane *drm_plane,
+		 struct drm_intel_sprite_colorkey *key)
+{
+	struct drm_device *dev = drm_plane->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_plane *intel_plane = to_intel_plane(drm_plane);
+	const int pipe = intel_plane->pipe;
+	const int plane = intel_plane->plane;
+	u32 plane_ctl;
+	key->min_value = I915_READ(PLANE_KEYVAL(pipe, plane));
+	key->max_value = I915_READ(PLANE_KEYMAX(pipe, plane));
+	key->channel_mask = I915_READ(PLANE_KEYMSK(pipe, plane));
+	plane_ctl = I915_READ(PLANE_CTL(pipe, plane));
+	switch (plane_ctl & PLANE_CTL_KEY_ENABLE_MASK) {
+	case PLANE_CTL_KEY_ENABLE_DESTINATION:
+		key->flags = I915_SET_COLORKEY_DESTINATION;
+		break;
+	case PLANE_CTL_KEY_ENABLE_SOURCE:
+		key->flags = I915_SET_COLORKEY_SOURCE;
+		break;
+	default:
+		key->flags = I915_SET_COLORKEY_NONE;
+	}
+}
+static void
+chv_update_csc(struct intel_plane *intel_plane, uint32_t format)
+{
+	struct drm_i915_private *dev_priv = intel_plane->base.dev->dev_private;
+	int plane = intel_plane->plane;
+	/* Seems RGB data bypasses the CSC always */
+	if (!format_is_yuv(format))
+		return;
+	/*
+	 * BT.601 limited range YCbCr -> full range RGB
+	 *
+	 * |r|   | 6537 4769     0|   |cr  |
+	 * |g| = |-3330 4769 -1605| x |y-64|
+	 * |b|   |    0 4769  8263|   |cb  |
+	 *
+	 * Cb and Cr apparently come in as signed already, so no
+	 * need for any offset. For Y we need to remove the offset.
+	 */
+	I915_WRITE(SPCSCYGOFF(plane), SPCSC_OOFF(0) | SPCSC_IOFF(-64));
+	I915_WRITE(SPCSCCBOFF(plane), SPCSC_OOFF(0) | SPCSC_IOFF(0));
+	I915_WRITE(SPCSCCROFF(plane), SPCSC_OOFF(0) | SPCSC_IOFF(0));
+	I915_WRITE(SPCSCC01(plane), SPCSC_C1(4769) | SPCSC_C0(6537));
+	I915_WRITE(SPCSCC23(plane), SPCSC_C1(-3330) | SPCSC_C0(0));
+	I915_WRITE(SPCSCC45(plane), SPCSC_C1(-1605) | SPCSC_C0(4769));
+	I915_WRITE(SPCSCC67(plane), SPCSC_C1(4769) | SPCSC_C0(0));
+	I915_WRITE(SPCSCC8(plane), SPCSC_C0(8263));
+	I915_WRITE(SPCSCYGICLAMP(plane), SPCSC_IMAX(940) | SPCSC_IMIN(64));
+	I915_WRITE(SPCSCCBICLAMP(plane), SPCSC_IMAX(448) | SPCSC_IMIN(-448));
+	I915_WRITE(SPCSCCRICLAMP(plane), SPCSC_IMAX(448) | SPCSC_IMIN(-448));
+	I915_WRITE(SPCSCYGOCLAMP(plane), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
+	I915_WRITE(SPCSCCBOCLAMP(plane), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
+	I915_WRITE(SPCSCCROCLAMP(plane), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
+}
 static void
 vlv_update_plane(struct drm_plane *dplane, struct drm_crtc *crtc,
 		 struct drm_framebuffer *fb,
 		 struct drm_i915_gem_object *obj, int crtc_x, int crtc_y,
 		 unsigned int crtc_w, unsigned int crtc_h,
 	/* Mask out pixel format bits in case we change it */
 	sprctl &= ~SP_PIXFORMAT_MASK;
 	sprctl &= ~SP_YUV_BYTE_ORDER_MASK;
+	sprctl &= ~SP_TILED;
-	sprctl &= ~SP_TILED;
+	sprctl &= ~SP_ROTATE_180;
 	switch (fb->pixel_format) {
 	case DRM_FORMAT_YUYV:
 							obj->tiling_mode,
 							pixel_size,
 							fb->pitches[0]);
 	linear_offset -= sprsurf_offset;
+	if (intel_plane->rotation == BIT(DRM_ROTATE_180)) {
+		sprctl |= SP_ROTATE_180;
+		x += src_w;
+		y += src_h;
+		linear_offset += src_h * fb->pitches[0] + src_w * pixel_size;
+	}
 	atomic_update = intel_pipe_update_start(intel_crtc, &start_vbl_count);
+	intel_update_primary_plane(intel_crtc);
 	if (IS_CHERRYVIEW(dev) && pipe == PIPE_B)
-	intel_update_primary_plane(intel_crtc);
+		chv_update_csc(intel_plane, fb->pixel_format);
 	I915_WRITE(SPSTRIDE(pipe, plane), fb->pitches[0]);
 	I915_WRITE(SPPOS(pipe, plane), (crtc_y << 16) | crtc_x);
+	if (obj->tiling_mode != I915_TILING_NONE)
+		I915_WRITE(SPTILEOFF(pipe, plane), (y << 16) | x);
-	if (obj->tiling_mode != I915_TILING_NONE)
+	else
-		I915_WRITE(SPTILEOFF(pipe, plane), (y << 16) | x);
+		I915_WRITE(SPLINOFF(pipe, plane), linear_offset);
 	else
-		I915_WRITE(SPLINOFF(pipe, plane), linear_offset);
+	I915_WRITE(SPCONSTALPHA(pipe, plane), 0);
 	/* Mask out pixel format bits in case we change it */
 	sprctl &= ~SPRITE_PIXFORMAT_MASK;
 	sprctl &= ~SPRITE_RGB_ORDER_RGBX;
 	sprctl &= ~SPRITE_YUV_BYTE_ORDER_MASK;
 	sprctl &= ~SPRITE_TILED;
+	sprctl &= ~SPRITE_ROTATE_180;
 	switch (fb->pixel_format) {
 	case DRM_FORMAT_XBGR8888:
 		sprctl |= SPRITE_FORMAT_RGBX888 | SPRITE_RGB_ORDER_RGBX;
 	sprsurf_offset =
 		intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode,
 						 pixel_size, fb->pitches[0]);
 	linear_offset -= sprsurf_offset;
+	if (intel_plane->rotation == BIT(DRM_ROTATE_180)) {
+		sprctl |= SPRITE_ROTATE_180;
+		/* HSW and BDW does this automagically in hardware */
+		if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) {
+			x += src_w;
+			y += src_h;
+			linear_offset += src_h * fb->pitches[0] +
+				src_w * pixel_size;
+		}
+	}
 	atomic_update = intel_pipe_update_start(intel_crtc, &start_vbl_count);
 	/* Mask out pixel format bits in case we change it */
 	dvscntr &= ~DVS_PIXFORMAT_MASK;
 	dvscntr &= ~DVS_RGB_ORDER_XBGR;
 	dvscntr &= ~DVS_YUV_BYTE_ORDER_MASK;
 	dvscntr &= ~DVS_TILED;
+	dvscntr &= ~DVS_ROTATE_180;
 	switch (fb->pixel_format) {
 	case DRM_FORMAT_XBGR8888:
 		dvscntr |= DVS_FORMAT_RGBX888 | DVS_RGB_ORDER_XBGR;
 	dvssurf_offset =
 		intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode,
 						 pixel_size, fb->pitches[0]);
 	linear_offset -= dvssurf_offset;
+	if (intel_plane->rotation == BIT(DRM_ROTATE_180)) {
+		dvscntr |= DVS_ROTATE_180;
+		x += src_w;
+		y += src_h;
+		linear_offset += src_h * fb->pitches[0] + src_w * pixel_size;
+	}
 	atomic_update = intel_pipe_update_start(intel_crtc, &start_vbl_count);
+{
 	struct drm_device *dev = crtc->dev;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+	/*
+	 * BDW signals flip done immediately if the plane
+	 * is disabled, even if the plane enable is already
+	 * armed to occur at the next vblank :(
+	 */
+	if (IS_BROADWELL(dev))
+		intel_wait_for_vblank(dev, intel_crtc->pipe);
 	/*
 	 * FIXME IPS should be fine as long as one plane is
 	 * enabled, but in practice it seems to have problems
 	 * when going from primary only to sprite only and vice
 	 * versa.
 		key->flags = I915_SET_COLORKEY_SOURCE;
 	else
 		key->flags = I915_SET_COLORKEY_NONE;
+}
-static bool
-format_is_yuv(uint32_t format)
-{
-	switch (format) {
-	case DRM_FORMAT_YUYV:
-	case DRM_FORMAT_UYVY:
-	case DRM_FORMAT_VYUY:
-	case DRM_FORMAT_YVYU:
-		return true;
-	default:
-		return false;
-	}
-}
 static bool colorkey_enabled(struct intel_plane *intel_plane)
+{
 	struct drm_intel_sprite_colorkey key;
 	intel_plane->get_colorkey(&intel_plane->base, &key);
 	return key.flags != I915_SET_COLORKEY_NONE;
-}
-static int
-intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
+}
 		   struct drm_framebuffer *fb, int crtc_x, int crtc_y,
-		   unsigned int crtc_w, unsigned int crtc_h,
-		   uint32_t src_x, uint32_t src_y,
+static int
-		   uint32_t src_w, uint32_t src_h)
+intel_check_sprite_plane(struct drm_plane *plane,
-{
-	struct drm_device *dev = plane->dev;
+			 struct intel_plane_state *state)
-	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+{
-	struct intel_plane *intel_plane = to_intel_plane(plane);
-	enum pipe pipe = intel_crtc->pipe;
-	struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
-	struct drm_i915_gem_object *obj = intel_fb->obj;
-	struct drm_i915_gem_object *old_obj = intel_plane->obj;
-	int ret;
-	bool primary_enabled;
-	bool visible;
-	int hscale, vscale;
-	int max_scale, min_scale;
-	int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0);
-	struct drm_rect src = {
-		/* sample coordinates in 16.16 fixed point */
-		.x1 = src_x,
-		.x2 = src_x + src_w,
-		.y1 = src_y,
-		.y2 = src_y + src_h,
-	};
-	struct drm_rect dst = {
-		/* integer pixels */
-		.x1 = crtc_x,
-		.x2 = crtc_x + crtc_w,
-		.y1 = crtc_y,
-		.y2 = crtc_y + crtc_h,
-	};
-	const struct drm_rect clip = {
-		.x2 = intel_crtc->active ? intel_crtc->config.pipe_src_w : 0,
+	struct intel_crtc *intel_crtc = to_intel_crtc(state->crtc);
-		.y2 = intel_crtc->active ? intel_crtc->config.pipe_src_h : 0,
+	struct intel_plane *intel_plane = to_intel_plane(plane);
-	};
+	struct drm_framebuffer *fb = state->fb;
-	const struct {
-		int crtc_x, crtc_y;
+	struct drm_i915_gem_object *obj = intel_fb_obj(fb);
-		unsigned int crtc_w, crtc_h;
+	int crtc_x, crtc_y;
-		uint32_t src_x, src_y, src_w, src_h;
+	unsigned int crtc_w, crtc_h;
-	} orig = {
+	uint32_t src_x, src_y, src_w, src_h;
-		.crtc_x = crtc_x,
-		.crtc_y = crtc_y,
+	struct drm_rect *src = &state->src;
-		.crtc_w = crtc_w,
+	struct drm_rect *dst = &state->dst;
-		.crtc_h = crtc_h,
+	struct drm_rect *orig_src = &state->orig_src;
-		.src_x = src_x,
-		.src_y = src_y,
+	const struct drm_rect *clip = &state->clip;
-		.src_w = src_w,
+	int hscale, vscale;
-		.src_h = src_h,
+	int max_scale, min_scale;
-	};
+	int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0);
 	 * more strict checking should be done instead.
 	 */
 	max_scale = intel_plane->max_downscale << 16;
 	min_scale = intel_plane->can_scale ? 1 : (1 << 16);
+	drm_rect_rotate(src, fb->width << 16, fb->height << 16,
+			intel_plane->rotation);
-	hscale = drm_rect_calc_hscale_relaxed(&src, &dst, min_scale, max_scale);
+	hscale = drm_rect_calc_hscale_relaxed(src, dst, min_scale, max_scale);
 	BUG_ON(hscale < 0);
-	vscale = drm_rect_calc_vscale_relaxed(&src, &dst, min_scale, max_scale);
+	vscale = drm_rect_calc_vscale_relaxed(src, dst, min_scale, max_scale);
 	BUG_ON(vscale < 0);
-	visible = drm_rect_clip_scaled(&src, &dst, &clip, hscale, vscale);
+	state->visible =  drm_rect_clip_scaled(src, dst, clip, hscale, vscale);
-	crtc_x = dst.x1;
+	crtc_x = dst->x1;
-	crtc_y = dst.y1;
+	crtc_y = dst->y1;
-	crtc_w = drm_rect_width(&dst);
+	crtc_w = drm_rect_width(dst);
-	crtc_h = drm_rect_height(&dst);
+	crtc_h = drm_rect_height(dst);
-	if (visible) {
+	if (state->visible) {
 		/* check again in case clipping clamped the results */
-		hscale = drm_rect_calc_hscale(&src, &dst, min_scale, max_scale);
+		hscale = drm_rect_calc_hscale(src, dst, min_scale, max_scale);
 		if (hscale < 0) {
 			DRM_DEBUG_KMS("Horizontal scaling factor out of limits\n");
-			drm_rect_debug_print(&src, true);
+			drm_rect_debug_print(src, true);
-			drm_rect_debug_print(&dst, false);
+			drm_rect_debug_print(dst, false);
 			return hscale;
+	}
-		vscale = drm_rect_calc_vscale(&src, &dst, min_scale, max_scale);
+		vscale = drm_rect_calc_vscale(src, dst, min_scale, max_scale);
 		if (vscale < 0) {
 			DRM_DEBUG_KMS("Vertical scaling factor out of limits\n");
-			drm_rect_debug_print(&src, true);
+			drm_rect_debug_print(src, true);
+			drm_rect_debug_print(dst, false);
+			return vscale;
 			drm_rect_debug_print(&dst, false);
-			return vscale;
+		/* Make the source viewport size an exact multiple of the scaling factors. */
-	}
+		drm_rect_adjust_size(src,
+				     drm_rect_width(dst) * hscale - drm_rect_width(src),
-		/* Make the source viewport size an exact multiple of the scaling factors. */
+				     drm_rect_height(dst) * vscale - drm_rect_height(src));
 		drm_rect_adjust_size(&src,
-				     drm_rect_width(&dst) * hscale - drm_rect_width(&src),
+		drm_rect_rotate_inv(src, fb->width << 16, fb->height << 16,
-				     drm_rect_height(&dst) * vscale - drm_rect_height(&src));
+				    intel_plane->rotation);
 		/* sanity check to make sure the src viewport wasn't enlarged */
-		WARN_ON(src.x1 < (int) src_x ||
+		WARN_ON(src->x1 < (int) orig_src->x1 ||
-			src.y1 < (int) src_y ||
+			src->y1 < (int) orig_src->y1 ||
-			src.x2 > (int) (src_x + src_w) ||
+			src->x2 > (int) orig_src->x2 ||
-			src.y2 > (int) (src_y + src_h));
+			src->y2 > (int) orig_src->y2);
 	/*
 		 * Hardware doesn't handle subpixel coordinates.
 	 */
 			if (!intel_plane->can_scale)
 				crtc_w &= ~1;
 			if (crtc_w == 0)
-				visible = false;
+				state->visible = false;
+		}
+	}
 	/* Check size restrictions when scaling */
-	if (visible && (src_w != crtc_w || src_h != crtc_h)) {
+	if (state->visible && (src_w != crtc_w || src_h != crtc_h)) {
 		unsigned int width_bytes;
 		WARN_ON(!intel_plane->can_scale);
 		/* FIXME interlacing min height is 6 */
+		if (crtc_w < 3 || crtc_h < 3)
-		if (crtc_w < 3 || crtc_h < 3)
+			state->visible = false;
 			visible = false;
 		if (src_w < 3 || src_h < 3)
-		if (src_w < 3 || src_h < 3)
+			state->visible = false;
 			visible = false;
 		width_bytes = ((src_x * pixel_size) & 63) +
+					src_w * pixel_size;
-		width_bytes = ((src_x * pixel_size) & 63) + src_w * pixel_size;
+		if (src_w > 2048 || src_h > 2048 ||
-		if (src_w > 2048 || src_h > 2048 ||
+		    width_bytes > 4096 || fb->pitches[0] > 4096) {
-		    width_bytes > 4096 || fb->pitches[0] > 4096) {
+			DRM_DEBUG_KMS("Source dimensions exceed hardware limits\n");
+		return -EINVAL;
+		}
+	}
+	if (state->visible) {
+		src->x1 = src_x;
+		src->x2 = src_x + src_w;
-			DRM_DEBUG_KMS("Source dimensions exceed hardware limits\n");
+		src->y1 = src_y;
+		src->y2 = src_y + src_h;
+	}
-		return -EINVAL;
-		}
+	dst->x1 = crtc_x;
-	}
+	dst->x2 = crtc_x + crtc_w;
+	dst->y1 = crtc_y;
+	dst->y2 = crtc_y + crtc_h;
+	return 0;
-	dst.x1 = crtc_x;
+}
+static int
+intel_prepare_sprite_plane(struct drm_plane *plane,
+			   struct intel_plane_state *state)
+{
-	dst.x2 = crtc_x + crtc_w;
+	struct drm_device *dev = plane->dev;
-	dst.y1 = crtc_y;
+	struct drm_crtc *crtc = state->crtc;
-	dst.y2 = crtc_y + crtc_h;
+	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	struct intel_plane *intel_plane = to_intel_plane(plane);
-	/*
+	enum pipe pipe = intel_crtc->pipe;
+	struct drm_framebuffer *fb = state->fb;
-	 * If the sprite is completely covering the primary plane,
+	struct drm_i915_gem_object *obj = intel_fb_obj(fb);
-	 * we can disable the primary and save power.
+	struct drm_i915_gem_object *old_obj = intel_plane->obj;
-	 */
+	int ret;
 	primary_enabled = !drm_rect_equals(&dst, &clip) || colorkey_enabled(intel_plane);
-	WARN_ON(!primary_enabled && !visible && intel_crtc->active);
+	if (old_obj != obj) {
 	mutex_lock(&dev->struct_mutex);
-	mutex_lock(&dev->struct_mutex);
 	/* Note that this will apply the VT-d workaround for scanouts,
+	 * which is more restrictive than required for sprites. (The
+	 * primary plane requires 256KiB alignment with 64 PTE padding,
+		 * the sprite planes only require 128KiB alignment and 32 PTE
+		 * padding.
+	 */
+		ret = intel_pin_and_fence_fb_obj(plane, fb, NULL);
+		if (ret == 0)
+	i915_gem_track_fb(old_obj, obj,
+			  INTEL_FRONTBUFFER_SPRITE(pipe));
+	mutex_unlock(&dev->struct_mutex);
+	if (ret)
+		return ret;
+	}
+	return 0;
+}
+static void
+intel_commit_sprite_plane(struct drm_plane *plane,
+			  struct intel_plane_state *state)
+{
+	struct drm_device *dev = plane->dev;
+	struct drm_crtc *crtc = state->crtc;
+	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+	struct intel_plane *intel_plane = to_intel_plane(plane);
+	enum pipe pipe = intel_crtc->pipe;
+	struct drm_framebuffer *fb = state->fb;
+	struct drm_i915_gem_object *obj = intel_fb_obj(fb);
+	struct drm_i915_gem_object *old_obj = intel_plane->obj;
+	int crtc_x, crtc_y;
-	 * which is more restrictive than required for sprites. (The
+	unsigned int crtc_w, crtc_h;
-	 * primary plane requires 256KiB alignment with 64 PTE padding,
+	uint32_t src_x, src_y, src_w, src_h;
-	 * the sprite planes only require 128KiB alignment and 32 PTE padding.
+	struct drm_rect *dst = &state->dst;
-	 */
+	const struct drm_rect *clip = &state->clip;
-	ret = intel_pin_and_fence_fb_obj(dev, obj, NULL);
+	bool primary_enabled;
-	i915_gem_track_fb(old_obj, obj,
+	/*
-			  INTEL_FRONTBUFFER_SPRITE(pipe));
+	 * If the sprite is completely covering the primary plane,
-	mutex_unlock(&dev->struct_mutex);
+	 * we can disable the primary and save power.
 	 */
-	if (ret)
+	primary_enabled = !drm_rect_equals(dst, clip) || colorkey_enabled(intel_plane);
-		return ret;
+	WARN_ON(!primary_enabled && !state->visible && intel_crtc->active);
+	intel_plane->crtc_x = state->orig_dst.x1;
-	intel_plane->crtc_x = orig.crtc_x;
+	intel_plane->crtc_y = state->orig_dst.y1;
-	intel_plane->crtc_y = orig.crtc_y;
+	intel_plane->crtc_w = drm_rect_width(&state->orig_dst);
-	intel_plane->crtc_w = orig.crtc_w;
+	intel_plane->crtc_h = drm_rect_height(&state->orig_dst);
+	intel_plane->src_x = state->orig_src.x1;
+	intel_plane->src_y = state->orig_src.y1;
+	intel_plane->src_w = drm_rect_width(&state->orig_src);
+	intel_plane->src_h = drm_rect_height(&state->orig_src);
+	intel_plane->obj = obj;
+	if (intel_crtc->active) {
+		bool primary_was_enabled = intel_crtc->primary_enabled;
 	intel_plane->crtc_h = orig.crtc_h;
-	intel_plane->src_x = orig.src_x;
+		intel_crtc->primary_enabled = primary_enabled;
 	intel_plane->src_y = orig.src_y;
-	intel_plane->src_w = orig.src_w;
+//       if (primary_was_enabled != primary_enabled)
-	intel_plane->src_h = orig.src_h;
+//           intel_crtc_wait_for_pending_flips(crtc);
+		if (primary_was_enabled && !primary_enabled)
+			intel_pre_disable_primary(crtc);
-	intel_plane->obj = obj;
+		if (state->visible) {
 			crtc_x = state->dst.x1;
-	if (intel_crtc->active) {
+			crtc_y = state->dst.y1;
-		bool primary_was_enabled = intel_crtc->primary_enabled;
+			crtc_w = drm_rect_width(&state->dst);
+			crtc_h = drm_rect_height(&state->dst);
+			src_x = state->src.x1;
-		intel_crtc->primary_enabled = primary_enabled;
+			src_y = state->src.y1;
 			src_w = drm_rect_width(&state->src);
-//       if (primary_was_enabled != primary_enabled)
+			src_h = drm_rect_height(&state->src);
 		intel_plane->update_plane(plane, crtc, fb, obj,
-		if (primary_was_enabled && !primary_enabled)
+					  crtc_x, crtc_y, crtc_w, crtc_h,
-			intel_pre_disable_primary(crtc);
+					  src_x, src_y, src_w, src_h);
+		} else {
-	if (visible)
+		intel_plane->disable_plane(plane, crtc);
 		intel_plane->update_plane(plane, crtc, fb, obj,
 					  crtc_x, crtc_y, crtc_w, crtc_h,
 					  src_x, src_y, src_w, src_h);
-	else
+		intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_SPRITE(pipe));
+		if (!primary_was_enabled && primary_enabled)
+			intel_post_enable_primary(crtc);
+	}
+	/* Unpin old obj after new one is active to avoid ugliness */
+	if (old_obj && old_obj != obj) {
+		/*
+		 * It's fairly common to simply update the position of
+		 * an existing object.  In that case, we don't need to
+		 * wait for vblank to avoid ugliness, we only need to
+		 * do the pin & ref bookkeeping.
+		 */
+		if (intel_crtc->active)
+			intel_wait_for_vblank(dev, intel_crtc->pipe);
+			mutex_lock(&dev->struct_mutex);
+		intel_unpin_fb_obj(old_obj);
+		mutex_unlock(&dev->struct_mutex);
+	}
+}
+static int
+intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
+		   struct drm_framebuffer *fb, int crtc_x, int crtc_y,
+		   unsigned int crtc_w, unsigned int crtc_h,
+		   uint32_t src_x, uint32_t src_y,
+		   uint32_t src_w, uint32_t src_h)
+{
+	struct intel_plane_state state;
+	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+	int ret;
+	state.crtc = crtc;
+	state.fb = fb;
+	/* sample coordinates in 16.16 fixed point */
+	state.src.x1 = src_x;
+	state.src.x2 = src_x + src_w;
+	state.src.y1 = src_y;
+	state.src.y2 = src_y + src_h;
-		intel_plane->disable_plane(plane, crtc);
+	/* integer pixels */
 	state.dst.x1 = crtc_x;
-		if (!primary_was_enabled && primary_enabled)
+	state.dst.x2 = crtc_x + crtc_w;
-			intel_post_enable_primary(crtc);
+	state.dst.y1 = crtc_y;
 out_unlock:
 	drm_modeset_unlock_all(dev);
 	return ret;
+}
+int intel_plane_set_property(struct drm_plane *plane,
+			     struct drm_property *prop,
+			     uint64_t val)
+{
+	struct drm_device *dev = plane->dev;
+	struct intel_plane *intel_plane = to_intel_plane(plane);
+	uint64_t old_val;
+	int ret = -ENOENT;
+	if (prop == dev->mode_config.rotation_property) {
+		/* exactly one rotation angle please */
+		if (hweight32(val & 0xf) != 1)
+			return -EINVAL;
+		if (intel_plane->rotation == val)
+			return 0;
+		old_val = intel_plane->rotation;
+		intel_plane->rotation = val;
+		ret = intel_plane_restore(plane);
+		if (ret)
+			intel_plane->rotation = old_val;
+	}
+	return ret;
+}
-void intel_plane_restore(struct drm_plane *plane)
+int intel_plane_restore(struct drm_plane *plane)
+{
 	struct intel_plane *intel_plane = to_intel_plane(plane);
 	if (!plane->crtc || !plane->fb)
-		return;
+		return 0;
-	intel_update_plane(plane, plane->crtc, plane->fb,
+	return plane->funcs->update_plane(plane, plane->crtc, plane->fb,
 			   intel_plane->crtc_x, intel_plane->crtc_y,
 			   intel_plane->crtc_w, intel_plane->crtc_h,
 static const struct drm_plane_funcs intel_plane_funcs = {
 	.update_plane = intel_update_plane,
 	.disable_plane = intel_disable_plane,
+	.destroy = intel_destroy_plane,
-	.destroy = intel_destroy_plane,
+	.set_property = intel_plane_set_property,
 };
 static uint32_t ilk_plane_formats[] = {
 	DRM_FORMAT_YVYU,
 	DRM_FORMAT_UYVY,
 	DRM_FORMAT_VYUY,
 };
+static uint32_t skl_plane_formats[] = {
+	DRM_FORMAT_RGB565,
+	DRM_FORMAT_ABGR8888,
+	DRM_FORMAT_ARGB8888,
+	DRM_FORMAT_XBGR8888,
+	DRM_FORMAT_XRGB8888,
+	DRM_FORMAT_YUYV,
+	DRM_FORMAT_YVYU,
+	DRM_FORMAT_UYVY,
+	DRM_FORMAT_VYUY,
+};
 int
 intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane)
+{
 	struct intel_plane *intel_plane;
 		plane_formats = snb_plane_formats;
 		num_plane_formats = ARRAY_SIZE(snb_plane_formats);
+		}
+		break;
+	case 9:
+		/*
+		 * FIXME: Skylake planes can be scaled (with some restrictions),
+		 * but this is for another time.
+		 */
+		intel_plane->can_scale = false;
+		intel_plane->max_downscale = 1;
+		intel_plane->update_plane = skl_update_plane;
+		intel_plane->disable_plane = skl_disable_plane;
+		intel_plane->update_colorkey = skl_update_colorkey;
+		intel_plane->get_colorkey = skl_get_colorkey;
+		plane_formats = skl_plane_formats;
-		break;
+		num_plane_formats = ARRAY_SIZE(skl_plane_formats);
 		break;
 	default:
 		kfree(intel_plane);
 		return -ENODEV;
+	}
 	intel_plane->pipe = pipe;
-	intel_plane->pipe = pipe;
+	intel_plane->plane = plane;
-	intel_plane->plane = plane;
+	intel_plane->rotation = BIT(DRM_ROTATE_0);
 	possible_crtcs = (1 << pipe);
-	ret = drm_plane_init(dev, &intel_plane->base, possible_crtcs,
+	ret = drm_universal_plane_init(dev, &intel_plane->base, possible_crtcs,
 			     &intel_plane_funcs,
 			     plane_formats, num_plane_formats,
+				       DRM_PLANE_TYPE_OVERLAY);
+	if (ret) {
+		kfree(intel_plane);
+		goto out;
+	}
+	if (!dev->mode_config.rotation_property)
+		dev->mode_config.rotation_property =
+			drm_mode_create_rotation_property(dev,
+							  BIT(DRM_ROTATE_0) |
+							  BIT(DRM_ROTATE_180));
+	if (dev->mode_config.rotation_property)
+		drm_object_attach_property(&intel_plane->base.base,
-			     false);
+					   dev->mode_config.rotation_property,
-	if (ret)
+					   intel_plane->rotation);

Subversion Repositories Kolibri OS

(root)/drivers/video/drm/i915/intel_sprite.c – Rev 5060 → 5354