diff options
| author |   James Zhu <James.Zhu@amd.com> | 2019-05-08 16:38:58 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2019-05-24 12:20:51 -0500 |
| commit | 3058770ae3526ef4fc02afad796a43aee140cd2a (patch) | |
| tree | f045b4104d2e29dc243a29350028c655ac0eb1e8 /drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | |
| parent | drm/amd/display: Make some functions static (diff) | |
| download | linux-dev-3058770ae3526ef4fc02afad796a43aee140cd2a.tar.xz linux-dev-3058770ae3526ef4fc02afad796a43aee140cd2a.zip | |
drm/amdgpu: Fix S3 test issue
During S3 test, when system wake up and resume, ras interface
is already allocated. Move workaround before ras jumps to resume
step in gfx_v9_0_ecc_late_init, and make sure workaround applied
during resume. Also remove unused mmGB_EDC_MODE clearing.
Signed-off-by: James Zhu <James.Zhu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index fc6d8c1fd32b..d07f3dda5b96 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -3632,7 +3632,6 @@ static int gfx_v9_0_do_edc_gpr_workarounds(struct amdgpu_device *adev) struct amdgpu_ib ib; struct dma_fence *f = NULL; int r, i, j; - u32 tmp; unsigned total_size, vgpr_offset, sgpr_offset; u64 gpu_addr; @@ -3644,9 +3643,6 @@ static int gfx_v9_0_do_edc_gpr_workarounds(struct amdgpu_device *adev) if (!ring->sched.ready) return 0; - tmp = RREG32_SOC15(GC, 0, mmGB_EDC_MODE); - WREG32_SOC15(GC, 0, mmGB_EDC_MODE, 0); - total_size = ((ARRAY_SIZE(vgpr_init_regs) * 3) + 4 + 5 + 2) * 4; total_size += @@ -3812,6 +3808,11 @@ static int gfx_v9_0_ecc_late_init(void *handle) return 0; } + /* requires IBs so do in late init after IB pool is initialized */ + r = gfx_v9_0_do_edc_gpr_workarounds(adev); + if (r) + return r; + if (*ras_if) goto resume; @@ -3819,11 +3820,6 @@ static int gfx_v9_0_ecc_late_init(void *handle) if (!*ras_if) return -ENOMEM; - /* requires IBs so do in late init after IB pool is initialized */ - r = gfx_v9_0_do_edc_gpr_workarounds(adev); - if (r) - return r; - **ras_if = ras_block; r = amdgpu_ras_feature_enable_on_boot(adev, *ras_if, 1); |