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drm/amdgpu: set the gfx config properly for all CZ variants (v2)

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Need to adjust the number of CUs and RBs.

v2: get proper values

Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Samuel Li <samuel.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2015-06-05 14:34:19 -04:00
parent 3e39ab9083
commit bd5c97bc1a
1 changed files with 36 additions and 2 deletions
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38
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
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@ -1933,9 +1933,43 @@ static void gfx_v8_0_gpu_init(struct amdgpu_device *adev)
case CHIP_CARRIZO:
adev->gfx.config.max_shader_engines = 1;
adev->gfx.config.max_tile_pipes = 2;
adev->gfx.config.max_cu_per_sh = 8;
adev->gfx.config.max_sh_per_se = 1;
adev->gfx.config.max_backends_per_se = 2;
switch (adev->pdev->revision) {
case 0xc4:
case 0x84:
case 0xc8:
case 0xcc:
/* B10 */
adev->gfx.config.max_cu_per_sh = 8;
adev->gfx.config.max_backends_per_se = 2;
break;
case 0xc5:
case 0x81:
case 0x85:
case 0xc9:
case 0xcd:
/* B8 */
adev->gfx.config.max_cu_per_sh = 6;
adev->gfx.config.max_backends_per_se = 2;
break;
case 0xc6:
case 0xca:
case 0xce:
/* B6 */
adev->gfx.config.max_cu_per_sh = 6;
adev->gfx.config.max_backends_per_se = 2;
break;
case 0xc7:
case 0x87:
case 0xcb:
default:
/* B4 */
adev->gfx.config.max_cu_per_sh = 4;
adev->gfx.config.max_backends_per_se = 1;
break;
}
adev->gfx.config.max_texture_channel_caches = 2;
adev->gfx.config.max_gprs = 256;
adev->gfx.config.max_gs_threads = 32;