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Commit bd5c97bc authored by Alex Deucher's avatar Alex Deucher
Browse files

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



Need to adjust the number of CUs and RBs.

v2: get proper values

Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarSamuel Li <samuel.li@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3e39ab90

drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c

+36 −2
Original line number Diff line number Diff line
@@ -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;



		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;