From bd5c97bc1ae77e8f2ec93a2dbe6d4080ae04a4c5 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 5 Jun 2015 14:34:19 -0400 Subject: [PATCH] drm/amdgpu: set the gfx config properly for all CZ variants (v2) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Need to adjust the number of CUs and RBs. v2: get proper values Reviewed-by: Christian König Reviewed-by: Samuel Li Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 38 +++++++++++++++++++++++++-- 1 file changed, 36 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 6ae2d6be126a..698ea6ce1185 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -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; -- GitLab