diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2026-06-26 16:29:13 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-07-08 14:24:25 -0400 |
| commit | 6807352cbabb74b61ba42888769283af72191f66 (patch) | |
| tree | 42a71c65adc64a7dc1b01474551e377594ae0af2 | |
| parent | 6853f1f6cbbeb3f53ebbbd7286536aeb2c5d5f50 (diff) | |
| download | linux-next-6807352cbabb74b61ba42888769283af72191f66.tar.gz linux-next-6807352cbabb74b61ba42888769283af72191f66.zip | |
drm/gfx10: Program DB_RING_CONTROL
This is needed to allocate occlusion counters across
both gfx pipes.
Fixes: b7a1a0ef12b8 ("drm/amd/amdgpu: add pipe1 hardware support")
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index 9d325867a1aa..55342962422b 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -5350,6 +5350,15 @@ static void gfx_v10_0_constants_init(struct amdgpu_device *adev) gfx_v10_0_get_tcc_info(adev); adev->gfx.config.pa_sc_tile_steering_override = gfx_v10_0_init_pa_sc_tile_steering_override(adev); + /* Program DB_RING_CONTROL for multiple GFX pipes + * Default power up value is 1. + * Possible values: + * 0 - split occlusion counters between gfx pipes + * 1 - all occlusion counters to pipe 0 + * 2 - all occlusion counters to pipe 1 + */ + WREG32_FIELD15(GC, 0, DB_RING_CONTROL, COUNTER_CONTROL, + (adev->gfx.me.num_pipe_per_me > 1) ? 0 : 1); /* XXX SH_MEM regs */ /* where to put LDS, scratch, GPUVM in FSA64 space */ |