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>

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 9e1d4ddbf475027e10c6e0d6d77a63efb4eec3b3..f7538ddf3a9fabfcd366781e62499ae01a0fff68 100644 (file)
--- 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;
                }