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path: root/drivers/gpu/drm/radeon/evergreen.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen.c')
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c119
1 files changed, 96 insertions, 23 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index f95d7fc1f5e..a2d478e8692 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1313,14 +1313,18 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav
if (!(tmp & EVERGREEN_CRTC_BLANK_DATA_EN)) {
radeon_wait_for_vblank(rdev, i);
tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
}
} else {
tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
if (!(tmp & EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE)) {
radeon_wait_for_vblank(rdev, i);
tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
}
}
/* wait for the next frame */
@@ -1345,6 +1349,8 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav
blackout &= ~BLACKOUT_MODE_MASK;
WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
}
+ /* wait for the MC to settle */
+ udelay(100);
}
void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
@@ -1378,11 +1384,15 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s
if (ASIC_IS_DCE6(rdev)) {
tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
} else {
tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
}
/* wait for the next frame */
frame_count = radeon_get_vblank_counter(rdev, i);
@@ -2036,9 +2046,20 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
WREG32(HDP_ADDR_CONFIG, gb_addr_config);
WREG32(DMA_TILING_CONFIG, gb_addr_config);
- tmp = gb_addr_config & NUM_PIPES_MASK;
- tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends,
- EVERGREEN_MAX_BACKENDS, disabled_rb_mask);
+ if ((rdev->config.evergreen.max_backends == 1) &&
+ (rdev->flags & RADEON_IS_IGP)) {
+ if ((disabled_rb_mask & 3) == 1) {
+ /* RB0 disabled, RB1 enabled */
+ tmp = 0x11111111;
+ } else {
+ /* RB1 disabled, RB0 enabled */
+ tmp = 0x00000000;
+ }
+ } else {
+ tmp = gb_addr_config & NUM_PIPES_MASK;
+ tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends,
+ EVERGREEN_MAX_BACKENDS, disabled_rb_mask);
+ }
WREG32(GB_BACKEND_MAP, tmp);
WREG32(CGTS_SYS_TCC_DISABLE, 0);
@@ -2306,22 +2327,20 @@ bool evergreen_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *rin
return radeon_ring_test_lockup(rdev, ring);
}
-static int evergreen_gpu_soft_reset(struct radeon_device *rdev)
+static void evergreen_gpu_soft_reset_gfx(struct radeon_device *rdev)
{
- struct evergreen_mc_save save;
u32 grbm_reset = 0;
if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
- return 0;
+ return;
- dev_info(rdev->dev, "GPU softreset \n");
- dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
+ dev_info(rdev->dev, " GRBM_STATUS = 0x%08X\n",
RREG32(GRBM_STATUS));
- dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
+ dev_info(rdev->dev, " GRBM_STATUS_SE0 = 0x%08X\n",
RREG32(GRBM_STATUS_SE0));
- dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
+ dev_info(rdev->dev, " GRBM_STATUS_SE1 = 0x%08X\n",
RREG32(GRBM_STATUS_SE1));
- dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
+ dev_info(rdev->dev, " SRBM_STATUS = 0x%08X\n",
RREG32(SRBM_STATUS));
dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n",
RREG32(CP_STALLED_STAT1));
@@ -2331,10 +2350,7 @@ static int evergreen_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));
- evergreen_mc_stop(rdev, &save);
- if (evergreen_mc_wait_for_idle(rdev)) {
- dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
- }
+
/* Disable CP parsing/prefetching */
WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
@@ -2358,15 +2374,14 @@ static int evergreen_gpu_soft_reset(struct radeon_device *rdev)
udelay(50);
WREG32(GRBM_SOFT_RESET, 0);
(void)RREG32(GRBM_SOFT_RESET);
- /* Wait a little for things to settle down */
- udelay(50);
- dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
+
+ dev_info(rdev->dev, " GRBM_STATUS = 0x%08X\n",
RREG32(GRBM_STATUS));
- dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
+ dev_info(rdev->dev, " GRBM_STATUS_SE0 = 0x%08X\n",
RREG32(GRBM_STATUS_SE0));
- dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
+ dev_info(rdev->dev, " GRBM_STATUS_SE1 = 0x%08X\n",
RREG32(GRBM_STATUS_SE1));
- dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
+ dev_info(rdev->dev, " SRBM_STATUS = 0x%08X\n",
RREG32(SRBM_STATUS));
dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n",
RREG32(CP_STALLED_STAT1));
@@ -2376,13 +2391,71 @@ static int evergreen_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 evergreen_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 */
+ 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 evergreen_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
+{
+ struct evergreen_mc_save save;
+
+ if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
+ reset_mask &= ~(RADEON_RESET_GFX | RADEON_RESET_COMPUTE);
+
+ if (RREG32(DMA_STATUS_REG) & DMA_IDLE)
+ reset_mask &= ~RADEON_RESET_DMA;
+
+ if (reset_mask == 0)
+ return 0;
+
+ dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
+
+ evergreen_mc_stop(rdev, &save);
+ if (evergreen_mc_wait_for_idle(rdev)) {
+ dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
+ }
+
+ if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE))
+ evergreen_gpu_soft_reset_gfx(rdev);
+
+ if (reset_mask & RADEON_RESET_DMA)
+ evergreen_gpu_soft_reset_dma(rdev);
+
+ /* Wait a little for things to settle down */
+ udelay(50);
+
evergreen_mc_resume(rdev, &save);
return 0;
}
int evergreen_asic_reset(struct radeon_device *rdev)
{
- return evergreen_gpu_soft_reset(rdev);
+ return evergreen_gpu_soft_reset(rdev, (RADEON_RESET_GFX |
+ RADEON_RESET_COMPUTE |
+ RADEON_RESET_DMA));
}
/* Interrupts */
@@ -3215,7 +3288,7 @@ void evergreen_dma_fence_ring_emit(struct radeon_device *rdev,
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_TRAP, 0, 0, 0));
/* flush HDP */
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0));
- radeon_ring_write(ring, (0xf << 16) | HDP_MEM_COHERENCY_FLUSH_CNTL);
+ radeon_ring_write(ring, (0xf << 16) | (HDP_MEM_COHERENCY_FLUSH_CNTL >> 2));
radeon_ring_write(ring, 1);
}
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 08:27:45 +0000