[PATCH 2/4] drm/amdgpu/gfx8: cache rb config values

[Alex Deucher]

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

Signed-off-by: Alex Deucher 
---
 drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 15 +++
 1 file changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c 
b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index ba36db8..e066441 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -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, 0x);
+   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, 0x, 0x, 0x);
mutex_unlock(&adev->grbm_idx_mutex);
 }
 
-- 
2.5.5

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[PATCH 2/4] drm/amdgpu/gfx8: cache rb config values

[Alex Deucher]

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

Signed-off-by: Alex Deucher 
---
 drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 15 +++
 1 file changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c 
b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index a503ee9..e306ec4 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -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, 0x);
+   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, 0x, 0x, 0x);
mutex_unlock(&adev->grbm_idx_mutex);
 }
 
-- 
2.5.5

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