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Regard whitespace Rev 3191 → Rev 3192

/drivers/video/drm/radeon/r600.c
812,9 → 812,8
* reset, it's up to the caller to determine if the GPU needs one. We
* might add an helper function to check that.
*/
static int r600_gpu_soft_reset(struct radeon_device *rdev)
static void r600_gpu_soft_reset_gfx(struct radeon_device *rdev)
{
struct rv515_mc_save save;
u32 grbm_busy_mask = S_008010_VC_BUSY(1) | S_008010_VGT_BUSY_NO_DMA(1) |
S_008010_VGT_BUSY(1) | S_008010_TA03_BUSY(1) |
S_008010_TC_BUSY(1) | S_008010_SX_BUSY(1) |
834,9 → 833,8
u32 tmp;
 
if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
return 0;
return;
 
dev_info(rdev->dev, "GPU softreset \n");
dev_info(rdev->dev, " R_008010_GRBM_STATUS=0x%08X\n",
RREG32(R_008010_GRBM_STATUS));
dev_info(rdev->dev, " R_008014_GRBM_STATUS2=0x%08X\n",
851,12 → 849,10
RREG32(CP_BUSY_STAT));
dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n",
RREG32(CP_STAT));
rv515_mc_stop(rdev, &save);
if (r600_mc_wait_for_idle(rdev)) {
dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
}
 
/* Disable CP parsing/prefetching */
WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
 
/* Check if any of the rendering block is busy and reset it */
if ((RREG32(R_008010_GRBM_STATUS) & grbm_busy_mask) ||
(RREG32(R_008014_GRBM_STATUS2) & grbm2_busy_mask)) {
886,8 → 882,7
RREG32(R_008020_GRBM_SOFT_RESET);
mdelay(15);
WREG32(R_008020_GRBM_SOFT_RESET, 0);
/* Wait a little for things to settle down */
mdelay(1);
 
dev_info(rdev->dev, " R_008010_GRBM_STATUS=0x%08X\n",
RREG32(R_008010_GRBM_STATUS));
dev_info(rdev->dev, " R_008014_GRBM_STATUS2=0x%08X\n",
902,6 → 897,60
RREG32(CP_BUSY_STAT));
dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n",
RREG32(CP_STAT));
 
}
 
static void r600_gpu_soft_reset_dma(struct radeon_device *rdev)
{
u32 tmp;
 
if (RREG32(DMA_STATUS_REG) & DMA_IDLE)
return;
 
dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n",
RREG32(DMA_STATUS_REG));
 
/* Disable DMA */
tmp = RREG32(DMA_RB_CNTL);
tmp &= ~DMA_RB_ENABLE;
WREG32(DMA_RB_CNTL, tmp);
 
/* Reset dma */
if (rdev->family >= CHIP_RV770)
WREG32(SRBM_SOFT_RESET, RV770_SOFT_RESET_DMA);
else
WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA);
RREG32(SRBM_SOFT_RESET);
udelay(50);
WREG32(SRBM_SOFT_RESET, 0);
 
dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n",
RREG32(DMA_STATUS_REG));
}
 
static int r600_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
{
struct rv515_mc_save save;
 
if (reset_mask == 0)
return 0;
 
dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
 
rv515_mc_stop(rdev, &save);
if (r600_mc_wait_for_idle(rdev)) {
dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
}
 
if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE))
r600_gpu_soft_reset_gfx(rdev);
 
if (reset_mask & RADEON_RESET_DMA)
r600_gpu_soft_reset_dma(rdev);
 
/* Wait a little for things to settle down */
mdelay(1);
 
rv515_mc_resume(rdev, &save);
return 0;
}
924,9 → 973,34
return radeon_ring_test_lockup(rdev, ring);
}
 
/**
* r600_dma_is_lockup - Check if the DMA engine is locked up
*
* @rdev: radeon_device pointer
* @ring: radeon_ring structure holding ring information
*
* Check if the async DMA engine is locked up (r6xx-evergreen).
* Returns true if the engine appears to be locked up, false if not.
*/
bool r600_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
{
u32 dma_status_reg;
 
dma_status_reg = RREG32(DMA_STATUS_REG);
if (dma_status_reg & DMA_IDLE) {
radeon_ring_lockup_update(ring);
return false;
}
/* force ring activities */
radeon_ring_force_activity(rdev, ring);
return radeon_ring_test_lockup(rdev, ring);
}
 
int r600_asic_reset(struct radeon_device *rdev)
{
return r600_gpu_soft_reset(rdev);
return r600_gpu_soft_reset(rdev, (RADEON_RESET_GFX |
RADEON_RESET_COMPUTE |
RADEON_RESET_DMA));
}
 
u32 r6xx_remap_render_backend(struct radeon_device *rdev,
978,14 → 1052,8
 
int r600_count_pipe_bits(uint32_t val)
{
int i, ret = 0;
 
for (i = 0; i < 32; i++) {
ret += val & 1;
val >>= 1;
return hweight32(val);
}
return ret;
}
 
static void r600_gpu_init(struct radeon_device *rdev)
{
1148,6 → 1216,7
WREG32(GB_TILING_CONFIG, tiling_config);
WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff);
WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff);
WREG32(DMA_TILING_CONFIG, tiling_config & 0xffff);
 
tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK);
1422,9 → 1491,10
*/
void r600_cp_stop(struct radeon_device *rdev)
{
// radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
WREG32(SCRATCH_UMSK, 0);
rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
}
 
int r600_init_microcode(struct radeon_device *rdev)
1750,7 → 1820,129
radeon_scratch_free(rdev, ring->rptr_save_reg);
}
 
/*
* DMA
* Starting with R600, the GPU has an asynchronous
* DMA engine. The programming model is very similar
* to the 3D engine (ring buffer, IBs, etc.), but the
* DMA controller has it's own packet format that is
* different form the PM4 format used by the 3D engine.
* It supports copying data, writing embedded data,
* solid fills, and a number of other things. It also
* has support for tiling/detiling of buffers.
*/
/**
* r600_dma_stop - stop the async dma engine
*
* @rdev: radeon_device pointer
*
* Stop the async dma engine (r6xx-evergreen).
*/
void r600_dma_stop(struct radeon_device *rdev)
{
u32 rb_cntl = RREG32(DMA_RB_CNTL);
 
radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
 
rb_cntl &= ~DMA_RB_ENABLE;
WREG32(DMA_RB_CNTL, rb_cntl);
 
rdev->ring[R600_RING_TYPE_DMA_INDEX].ready = false;
}
 
/**
* r600_dma_resume - setup and start the async dma engine
*
* @rdev: radeon_device pointer
*
* Set up the DMA ring buffer and enable it. (r6xx-evergreen).
* Returns 0 for success, error for failure.
*/
int r600_dma_resume(struct radeon_device *rdev)
{
struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
u32 rb_cntl, dma_cntl;
u32 rb_bufsz;
int r;
 
/* Reset dma */
if (rdev->family >= CHIP_RV770)
WREG32(SRBM_SOFT_RESET, RV770_SOFT_RESET_DMA);
else
WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA);
RREG32(SRBM_SOFT_RESET);
udelay(50);
WREG32(SRBM_SOFT_RESET, 0);
 
WREG32(DMA_SEM_INCOMPLETE_TIMER_CNTL, 0);
WREG32(DMA_SEM_WAIT_FAIL_TIMER_CNTL, 0);
 
/* Set ring buffer size in dwords */
rb_bufsz = drm_order(ring->ring_size / 4);
rb_cntl = rb_bufsz << 1;
#ifdef __BIG_ENDIAN
rb_cntl |= DMA_RB_SWAP_ENABLE | DMA_RPTR_WRITEBACK_SWAP_ENABLE;
#endif
WREG32(DMA_RB_CNTL, rb_cntl);
 
/* Initialize the ring buffer's read and write pointers */
WREG32(DMA_RB_RPTR, 0);
WREG32(DMA_RB_WPTR, 0);
 
/* set the wb address whether it's enabled or not */
WREG32(DMA_RB_RPTR_ADDR_HI,
upper_32_bits(rdev->wb.gpu_addr + R600_WB_DMA_RPTR_OFFSET) & 0xFF);
WREG32(DMA_RB_RPTR_ADDR_LO,
((rdev->wb.gpu_addr + R600_WB_DMA_RPTR_OFFSET) & 0xFFFFFFFC));
 
if (rdev->wb.enabled)
rb_cntl |= DMA_RPTR_WRITEBACK_ENABLE;
 
WREG32(DMA_RB_BASE, ring->gpu_addr >> 8);
 
/* enable DMA IBs */
WREG32(DMA_IB_CNTL, DMA_IB_ENABLE);
 
dma_cntl = RREG32(DMA_CNTL);
dma_cntl &= ~CTXEMPTY_INT_ENABLE;
WREG32(DMA_CNTL, dma_cntl);
 
if (rdev->family >= CHIP_RV770)
WREG32(DMA_MODE, 1);
 
ring->wptr = 0;
WREG32(DMA_RB_WPTR, ring->wptr << 2);
 
ring->rptr = RREG32(DMA_RB_RPTR) >> 2;
 
WREG32(DMA_RB_CNTL, rb_cntl | DMA_RB_ENABLE);
 
ring->ready = true;
 
r = radeon_ring_test(rdev, R600_RING_TYPE_DMA_INDEX, ring);
if (r) {
ring->ready = false;
return r;
}
 
radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
 
return 0;
}
 
/**
* r600_dma_fini - tear down the async dma engine
*
* @rdev: radeon_device pointer
*
* Stop the async dma engine and free the ring (r6xx-evergreen).
*/
void r600_dma_fini(struct radeon_device *rdev)
{
r600_dma_stop(rdev);
radeon_ring_fini(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX]);
}
 
/*
* GPU scratch registers helpers function.
*/
1806,6 → 1998,64
return r;
}
 
/**
* r600_dma_ring_test - simple async dma engine test
*
* @rdev: radeon_device pointer
* @ring: radeon_ring structure holding ring information
*
* Test the DMA engine by writing using it to write an
* value to memory. (r6xx-SI).
* Returns 0 for success, error for failure.
*/
int r600_dma_ring_test(struct radeon_device *rdev,
struct radeon_ring *ring)
{
unsigned i;
int r;
void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
u32 tmp;
 
if (!ptr) {
DRM_ERROR("invalid vram scratch pointer\n");
return -EINVAL;
}
 
tmp = 0xCAFEDEAD;
writel(tmp, ptr);
 
r = radeon_ring_lock(rdev, ring, 4);
if (r) {
DRM_ERROR("radeon: dma failed to lock ring %d (%d).\n", ring->idx, r);
return r;
}
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1));
radeon_ring_write(ring, rdev->vram_scratch.gpu_addr & 0xfffffffc);
radeon_ring_write(ring, upper_32_bits(rdev->vram_scratch.gpu_addr) & 0xff);
radeon_ring_write(ring, 0xDEADBEEF);
radeon_ring_unlock_commit(rdev, ring);
 
for (i = 0; i < rdev->usec_timeout; i++) {
tmp = readl(ptr);
if (tmp == 0xDEADBEEF)
break;
DRM_UDELAY(1);
}
 
if (i < rdev->usec_timeout) {
DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i);
} else {
DRM_ERROR("radeon: ring %d test failed (0x%08X)\n",
ring->idx, tmp);
r = -EINVAL;
}
return r;
}
 
/*
* CP fences/semaphores
*/
 
void r600_fence_ring_emit(struct radeon_device *rdev,
struct radeon_fence *fence)
{
1869,6 → 2119,59
radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | sel);
}
 
/*
* DMA fences/semaphores
*/
 
/**
* r600_dma_fence_ring_emit - emit a fence on the DMA ring
*
* @rdev: radeon_device pointer
* @fence: radeon fence object
*
* Add a DMA fence packet to the ring to write
* the fence seq number and DMA trap packet to generate
* an interrupt if needed (r6xx-r7xx).
*/
void r600_dma_fence_ring_emit(struct radeon_device *rdev,
struct radeon_fence *fence)
{
struct radeon_ring *ring = &rdev->ring[fence->ring];
u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
 
/* write the fence */
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_FENCE, 0, 0, 0));
radeon_ring_write(ring, addr & 0xfffffffc);
radeon_ring_write(ring, (upper_32_bits(addr) & 0xff));
radeon_ring_write(ring, lower_32_bits(fence->seq));
/* generate an interrupt */
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_TRAP, 0, 0, 0));
}
 
/**
* r600_dma_semaphore_ring_emit - emit a semaphore on the dma ring
*
* @rdev: radeon_device pointer
* @ring: radeon_ring structure holding ring information
* @semaphore: radeon semaphore object
* @emit_wait: wait or signal semaphore
*
* Add a DMA semaphore packet to the ring wait on or signal
* other rings (r6xx-SI).
*/
void r600_dma_semaphore_ring_emit(struct radeon_device *rdev,
struct radeon_ring *ring,
struct radeon_semaphore *semaphore,
bool emit_wait)
{
u64 addr = semaphore->gpu_addr;
u32 s = emit_wait ? 0 : 1;
 
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SEMAPHORE, 0, s, 0));
radeon_ring_write(ring, addr & 0xfffffffc);
radeon_ring_write(ring, upper_32_bits(addr) & 0xff);
}
 
int r600_copy_blit(struct radeon_device *rdev,
uint64_t src_offset,
uint64_t dst_offset,
1888,6 → 2191,80
return 0;
}
 
/**
* r600_copy_dma - copy pages using the DMA engine
*
* @rdev: radeon_device pointer
* @src_offset: src GPU address
* @dst_offset: dst GPU address
* @num_gpu_pages: number of GPU pages to xfer
* @fence: radeon fence object
*
* Copy GPU paging using the DMA engine (r6xx).
* Used by the radeon ttm implementation to move pages if
* registered as the asic copy callback.
*/
int r600_copy_dma(struct radeon_device *rdev,
uint64_t src_offset, uint64_t dst_offset,
unsigned num_gpu_pages,
struct radeon_fence **fence)
{
struct radeon_semaphore *sem = NULL;
int ring_index = rdev->asic->copy.dma_ring_index;
struct radeon_ring *ring = &rdev->ring[ring_index];
u32 size_in_dw, cur_size_in_dw;
int i, num_loops;
int r = 0;
 
r = radeon_semaphore_create(rdev, &sem);
if (r) {
DRM_ERROR("radeon: moving bo (%d).\n", r);
return r;
}
 
size_in_dw = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT) / 4;
num_loops = DIV_ROUND_UP(size_in_dw, 0xFFFE);
r = radeon_ring_lock(rdev, ring, num_loops * 4 + 8);
if (r) {
DRM_ERROR("radeon: moving bo (%d).\n", r);
radeon_semaphore_free(rdev, &sem, NULL);
return r;
}
 
if (radeon_fence_need_sync(*fence, ring->idx)) {
radeon_semaphore_sync_rings(rdev, sem, (*fence)->ring,
ring->idx);
radeon_fence_note_sync(*fence, ring->idx);
} else {
radeon_semaphore_free(rdev, &sem, NULL);
}
 
for (i = 0; i < num_loops; i++) {
cur_size_in_dw = size_in_dw;
if (cur_size_in_dw > 0xFFFE)
cur_size_in_dw = 0xFFFE;
size_in_dw -= cur_size_in_dw;
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_COPY, 0, 0, cur_size_in_dw));
radeon_ring_write(ring, dst_offset & 0xfffffffc);
radeon_ring_write(ring, src_offset & 0xfffffffc);
radeon_ring_write(ring, (((upper_32_bits(dst_offset) & 0xff) << 16) |
(upper_32_bits(src_offset) & 0xff)));
src_offset += cur_size_in_dw * 4;
dst_offset += cur_size_in_dw * 4;
}
 
r = radeon_fence_emit(rdev, fence, ring->idx);
if (r) {
radeon_ring_unlock_undo(rdev, ring);
return r;
}
 
radeon_ring_unlock_commit(rdev, ring);
radeon_semaphore_free(rdev, &sem, *fence);
 
return r;
}
 
int r600_set_surface_reg(struct radeon_device *rdev, int reg,
uint32_t tiling_flags, uint32_t pitch,
uint32_t offset, uint32_t obj_size)
1903,7 → 2280,7
 
static int r600_startup(struct radeon_device *rdev)
{
struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
struct radeon_ring *ring;
int r;
 
/* enable pcie gen2 link */
1938,6 → 2315,18
if (r)
return r;
 
r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
if (r) {
dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
return r;
}
 
r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
if (r) {
dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
return r;
}
 
/* Enable IRQ */
r = r600_irq_init(rdev);
if (r) {
1947,12 → 2336,20
}
r600_irq_set(rdev);
 
ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
R600_CP_RB_RPTR, R600_CP_RB_WPTR,
0, 0xfffff, RADEON_CP_PACKET2);
if (r)
return r;
 
ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
DMA_RB_RPTR, DMA_RB_WPTR,
2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
if (r)
return r;
 
r = r600_cp_load_microcode(rdev);
if (r)
return r;
1960,6 → 2357,15
if (r)
return r;
 
r = r600_dma_resume(rdev);
if (r)
return r;
 
r = radeon_ib_pool_init(rdev);
if (r) {
dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
return r;
}
return 0;
}
 
2046,6 → 2452,9
rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
 
rdev->ring[R600_RING_TYPE_DMA_INDEX].ring_obj = NULL;
r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX], 64 * 1024);
 
rdev->ih.ring_obj = NULL;
r600_ih_ring_init(rdev, 64 * 1024);
 
2150,6 → 2559,109
return r;
}
 
/**
* r600_dma_ib_test - test an IB on the DMA engine
*
* @rdev: radeon_device pointer
* @ring: radeon_ring structure holding ring information
*
* Test a simple IB in the DMA ring (r6xx-SI).
* Returns 0 on success, error on failure.
*/
int r600_dma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
{
struct radeon_ib ib;
unsigned i;
int r;
void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
u32 tmp = 0;
 
ENTER();
 
if (!ptr) {
DRM_ERROR("invalid vram scratch pointer\n");
return -EINVAL;
}
 
tmp = 0xCAFEDEAD;
writel(tmp, ptr);
 
r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256);
if (r) {
DRM_ERROR("radeon: failed to get ib (%d).\n", r);
return r;
}
 
ib.ptr[0] = DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1);
ib.ptr[1] = rdev->vram_scratch.gpu_addr & 0xfffffffc;
ib.ptr[2] = upper_32_bits(rdev->vram_scratch.gpu_addr) & 0xff;
ib.ptr[3] = 0xDEADBEEF;
ib.length_dw = 4;
 
r = radeon_ib_schedule(rdev, &ib, NULL);
if (r) {
radeon_ib_free(rdev, &ib);
DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
return r;
}
r = radeon_fence_wait(ib.fence, false);
if (r) {
DRM_ERROR("radeon: fence wait failed (%d).\n", r);
return r;
}
for (i = 0; i < rdev->usec_timeout; i++) {
tmp = readl(ptr);
if (tmp == 0xDEADBEEF)
break;
DRM_UDELAY(1);
}
if (i < rdev->usec_timeout) {
DRM_INFO("ib test on ring %d succeeded in %u usecs\n", ib.fence->ring, i);
} else {
DRM_ERROR("radeon: ib test failed (0x%08X)\n", tmp);
r = -EINVAL;
}
radeon_ib_free(rdev, &ib);
 
LEAVE();
 
return r;
}
 
/**
* r600_dma_ring_ib_execute - Schedule an IB on the DMA engine
*
* @rdev: radeon_device pointer
* @ib: IB object to schedule
*
* Schedule an IB in the DMA ring (r6xx-r7xx).
*/
void r600_dma_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
{
struct radeon_ring *ring = &rdev->ring[ib->ring];
 
if (rdev->wb.enabled) {
u32 next_rptr = ring->wptr + 4;
while ((next_rptr & 7) != 5)
next_rptr++;
next_rptr += 3;
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1));
radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xff);
radeon_ring_write(ring, next_rptr);
}
 
/* The indirect buffer packet must end on an 8 DW boundary in the DMA ring.
* Pad as necessary with NOPs.
*/
while ((ring->wptr & 7) != 5)
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_INDIRECT_BUFFER, 0, 0, 0));
radeon_ring_write(ring, (ib->gpu_addr & 0xFFFFFFE0));
radeon_ring_write(ring, (ib->length_dw << 16) | (upper_32_bits(ib->gpu_addr) & 0xFF));
 
}
 
/*
* Interrupts
*
2341,6 → 2853,8
u32 tmp;
 
WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
WREG32(DMA_CNTL, tmp);
WREG32(GRBM_INT_CNTL, 0);
WREG32(DxMODE_INT_MASK, 0);
WREG32(D1GRPH_INTERRUPT_CONTROL, 0);
2469,6 → 2983,7
u32 grbm_int_cntl = 0;
u32 hdmi0, hdmi1;
u32 d1grph = 0, d2grph = 0;
u32 dma_cntl;
 
if (!rdev->irq.installed) {
WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
2503,6 → 3018,7
hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
hdmi1 = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
}
dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
 
if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
DRM_DEBUG("r600_irq_set: sw int\n");
2509,6 → 3025,12
cp_int_cntl |= RB_INT_ENABLE;
cp_int_cntl |= TIME_STAMP_INT_ENABLE;
}
 
if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
DRM_DEBUG("r600_irq_set: sw int dma\n");
dma_cntl |= TRAP_ENABLE;
}
 
if (rdev->irq.crtc_vblank_int[0] ||
atomic_read(&rdev->irq.pflip[0])) {
DRM_DEBUG("r600_irq_set: vblank 0\n");
2553,6 → 3075,7
}
 
WREG32(CP_INT_CNTL, cp_int_cntl);
WREG32(DMA_CNTL, dma_cntl);
WREG32(DxMODE_INT_MASK, mode_int);
WREG32(D1GRPH_INTERRUPT_CONTROL, d1grph);
WREG32(D2GRPH_INTERRUPT_CONTROL, d2grph);
2698,6 → 3221,15
}
}
 
void r600_irq_disable(struct radeon_device *rdev)
{
r600_disable_interrupts(rdev);
/* Wait and acknowledge irq */
mdelay(1);
r600_irq_ack(rdev);
r600_disable_interrupt_state(rdev);
}
 
static u32 r600_get_ih_wptr(struct radeon_device *rdev)
{
u32 wptr, tmp;
2925,6 → 3457,10
DRM_DEBUG("IH: CP EOP\n");
radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
break;
case 224: /* DMA trap event */
DRM_DEBUG("IH: DMA trap\n");
radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
break;
case 233: /* GUI IDLE */
DRM_DEBUG("IH: GUI idle\n");
break;