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drm/amdgpu/gfx8: cache rb config values

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Needed when for SR-IOV and when PG is enabled.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2016-10-10 11:15:24 -04:00
parent e3fa76306f
commit 392f0c775c
1 changed files with 15 additions and 0 deletions
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15
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
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@ -3694,6 +3694,21 @@ static void gfx_v8_0_setup_rb(struct amdgpu_device *adev)
num_rb_pipes);
}
/* cache the values for userspace */
for (i = 0; i < adev->gfx.config.max_shader_engines; i++) {
for (j = 0; j < adev->gfx.config.max_sh_per_se; j++) {
gfx_v8_0_select_se_sh(adev, i, j, 0xffffffff);
adev->gfx.config.rb_config[i][j].rb_backend_disable =
RREG32(mmCC_RB_BACKEND_DISABLE);
adev->gfx.config.rb_config[i][j].user_rb_backend_disable =
RREG32(mmGC_USER_RB_BACKEND_DISABLE);
adev->gfx.config.rb_config[i][j].raster_config =
RREG32(mmPA_SC_RASTER_CONFIG);
adev->gfx.config.rb_config[i][j].raster_config_1 =
RREG32(mmPA_SC_RASTER_CONFIG_1);
}
}
gfx_v8_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
mutex_unlock(&adev->grbm_idx_mutex);
}