diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600.c | 89 |
1 files changed, 70 insertions, 19 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 2aaf147969bd..923f93647042 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, @@ -2636,8 +2687,8 @@ 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); |