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| author | Alex Deucher <alexander.deucher@amd.com> | 2025-04-30 19:34:17 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-05-08 00:47:02 +0300 |
| commit | e8614fc769df0343627e39eab4f52bc9ff8c075b (patch) | |
| tree | dee0c30932cce12835ad1f32b483ef42f62f3c3c /drivers/gpu/drm/amd/amdgpu/hdp_v7_0.c | |
| parent | 4c83d4538bb28de6a75cd52854ac9c912d437e7b (diff) | |
| download | linux-e8614fc769df0343627e39eab4f52bc9ff8c075b.tar.xz | |
Revert "drm/amdgpu: Use generic hdp flush function"
This reverts commit 18a878fd8aef0ec21648a3782f55a79790cd4073.
Revert this temporarily to make it easier to fix a regression
in the HDP handling.
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/hdp_v7_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/hdp_v7_0.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/hdp_v7_0.c b/drivers/gpu/drm/amd/amdgpu/hdp_v7_0.c index ed1debc03507..49f7eb4fbd11 100644 --- a/drivers/gpu/drm/amd/amdgpu/hdp_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/hdp_v7_0.c @@ -27,6 +27,17 @@ #include "hdp/hdp_7_0_0_sh_mask.h" #include <uapi/linux/kfd_ioctl.h> +static void hdp_v7_0_flush_hdp(struct amdgpu_device *adev, + struct amdgpu_ring *ring) +{ + if (!ring || !ring->funcs->emit_wreg) { + WREG32((adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL) >> 2, 0); + RREG32((adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL) >> 2); + } else { + amdgpu_ring_emit_wreg(ring, (adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL) >> 2, 0); + } +} + static void hdp_v7_0_update_clock_gating(struct amdgpu_device *adev, bool enable) { @@ -126,7 +137,7 @@ static void hdp_v7_0_get_clockgating_state(struct amdgpu_device *adev, } const struct amdgpu_hdp_funcs hdp_v7_0_funcs = { - .flush_hdp = amdgpu_hdp_generic_flush, + .flush_hdp = hdp_v7_0_flush_hdp, .update_clock_gating = hdp_v7_0_update_clock_gating, .get_clock_gating_state = hdp_v7_0_get_clockgating_state, }; |