diff options
| author | Nicolai Hähnle <nicolai.haehnle@amd.com> | 2017-06-13 23:10:45 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-06-29 19:43:52 +0300 |
| commit | c94d38f03d4d3edd4a26c6edb80faeceb5c043ad (patch) | |
| tree | ee1d947632e59b53cc2af9802de3e2a38546d21c /drivers | |
| parent | 44903326516544e819be91bb09152c1649c17212 (diff) | |
| download | linux-c94d38f03d4d3edd4a26c6edb80faeceb5c043ad.tar.xz | |
drm/amdgpu/gfx9: support the amdgpu.disable_cu option
This is ported from gfx8.
Signed-off-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 2e6f203fab9e..20345925d254 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -4416,6 +4416,20 @@ static void gfx_v9_0_set_gds_init(struct amdgpu_device *adev) } } +static void gfx_v9_0_set_user_cu_inactive_bitmap(struct amdgpu_device *adev, + u32 bitmap) +{ + u32 data; + + if (!bitmap) + return; + + data = bitmap << GC_USER_SHADER_ARRAY_CONFIG__INACTIVE_CUS__SHIFT; + data &= GC_USER_SHADER_ARRAY_CONFIG__INACTIVE_CUS_MASK; + + WREG32_SOC15(GC, 0, mmGC_USER_SHADER_ARRAY_CONFIG, data); +} + static u32 gfx_v9_0_get_cu_active_bitmap(struct amdgpu_device *adev) { u32 data, mask; @@ -4436,10 +4450,13 @@ static int gfx_v9_0_get_cu_info(struct amdgpu_device *adev, { int i, j, k, counter, active_cu_number = 0; u32 mask, bitmap, ao_bitmap, ao_cu_mask = 0; + unsigned disable_masks[4 * 2]; if (!adev || !cu_info) return -EINVAL; + amdgpu_gfx_parse_disable_cu(disable_masks, 4, 2); + mutex_lock(&adev->grbm_idx_mutex); for (i = 0; i < adev->gfx.config.max_shader_engines; i++) { for (j = 0; j < adev->gfx.config.max_sh_per_se; j++) { @@ -4447,6 +4464,9 @@ static int gfx_v9_0_get_cu_info(struct amdgpu_device *adev, ao_bitmap = 0; counter = 0; gfx_v9_0_select_se_sh(adev, i, j, 0xffffffff); + if (i < 4 && j < 2) + gfx_v9_0_set_user_cu_inactive_bitmap( + adev, disable_masks[i * 2 + j]); bitmap = gfx_v9_0_get_cu_active_bitmap(adev); cu_info->bitmap[i][j] = bitmap; |