drm/amdgpu: fix rb setting for CZ

Always set num_rbs to 2 for CZ.  The 1 RB parts are often harvest
configs.  The will get sorted out in mesa when we program
PA_SC_RASTER_CONFIG[_1].

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 1 insertions, 4 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 9e1d4ddbf475..f7538ddf3a9f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -1983,6 +1983,7 @@ static void gfx_v8_0_gpu_init(struct amdgpu_device *adev)
                 adev->gfx.config.max_shader_engines = 1;
                 adev->gfx.config.max_tile_pipes = 2;
                 adev->gfx.config.max_sh_per_se = 1;
+                adev->gfx.config.max_backends_per_se = 2;
 
                 switch (adev->pdev->revision) {
                 case 0xc4:
@@ -1991,7 +1992,6 @@ static void gfx_v8_0_gpu_init(struct amdgpu_device *adev)
                 case 0xcc:
                         /* B10 */
                         adev->gfx.config.max_cu_per_sh = 8;
-                        adev->gfx.config.max_backends_per_se = 2;
                         break;
                 case 0xc5:
                 case 0x81:
@@ -2000,14 +2000,12 @@ static void gfx_v8_0_gpu_init(struct amdgpu_device *adev)
                 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:
@@ -2015,7 +2013,6 @@ static void gfx_v8_0_gpu_init(struct amdgpu_device *adev)
                 default:
                         /* B4 */
                         adev->gfx.config.max_cu_per_sh = 4;
-                        adev->gfx.config.max_backends_per_se = 1;
                         break;
                 }