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path: root/drivers/gpu/drm/radeon/r600.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
-rw-r--r--drivers/gpu/drm/radeon/r600.c99
1 files changed, 75 insertions, 24 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 2aaf147969b..537e259b383 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1258,9 +1258,8 @@ void r600_vram_scratch_fini(struct radeon_device *rdev)
* 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) |
@@ -1280,14 +1279,13 @@ static int r600_gpu_soft_reset(struct radeon_device *rdev)
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",
+ 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",
+ dev_info(rdev->dev, " R_008014_GRBM_STATUS2 = 0x%08X\n",
RREG32(R_008014_GRBM_STATUS2));
- dev_info(rdev->dev, " R_000E50_SRBM_STATUS=0x%08X\n",
+ dev_info(rdev->dev, " R_000E50_SRBM_STATUS = 0x%08X\n",
RREG32(R_000E50_SRBM_STATUS));
dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n",
RREG32(CP_STALLED_STAT1));
@@ -1297,12 +1295,10 @@ static int r600_gpu_soft_reset(struct radeon_device *rdev)
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)) {
@@ -1332,13 +1328,12 @@ static int r600_gpu_soft_reset(struct radeon_device *rdev)
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",
+
+ 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",
+ dev_info(rdev->dev, " R_008014_GRBM_STATUS2 = 0x%08X\n",
RREG32(R_008014_GRBM_STATUS2));
- dev_info(rdev->dev, " R_000E50_SRBM_STATUS=0x%08X\n",
+ dev_info(rdev->dev, " R_000E50_SRBM_STATUS = 0x%08X\n",
RREG32(R_000E50_SRBM_STATUS));
dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n",
RREG32(CP_STALLED_STAT1));
@@ -1348,6 +1343,60 @@ static int r600_gpu_soft_reset(struct radeon_device *rdev)
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;
}
@@ -1395,7 +1444,9 @@ bool r600_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *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,
@@ -2595,7 +2646,7 @@ int r600_copy_blit(struct radeon_device *rdev,
* @num_gpu_pages: number of GPU pages to xfer
* @fence: radeon fence object
*
- * Copy GPU paging using the DMA engine (r6xx-r7xx).
+ * Copy GPU paging using the DMA engine (r6xx).
* Used by the radeon ttm implementation to move pages if
* registered as the asic copy callback.
*/
@@ -2618,8 +2669,8 @@ int r600_copy_dma(struct radeon_device *rdev,
}
size_in_dw = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT) / 4;
- num_loops = DIV_ROUND_UP(size_in_dw, 0xffff);
- r = radeon_ring_lock(rdev, ring, num_loops * 5 + 8);
+ 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);
@@ -2636,14 +2687,14 @@ int r600_copy_dma(struct radeon_device *rdev,
for (i = 0; i < num_loops; i++) {
cur_size_in_dw = size_in_dw;
- if (cur_size_in_dw > 0xFFFF)
- cur_size_in_dw = 0xFFFF;
+ 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);
- radeon_ring_write(ring, upper_32_bits(src_offset) & 0xff);
+ 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;
}
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 01:01:03 +0000