drm/amdgpu: add common support for dimgrey_cavefish

Add external id and set clock gating for dimgrey_cavefish.

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Jiansong Chen <Jiansong.Chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index 2c2213d..485c890 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -891,6 +891,11 @@ static int nv_common_early_init(void *handle)
                adev->pg_flags = AMD_PG_SUPPORT_GFX_PG;
                adev->external_rev_id = adev->rev_id + 0x01;
                break;
+       case CHIP_DIMGREY_CAVEFISH:
+               adev->cg_flags = 0;
+               adev->pg_flags = 0;
+               adev->external_rev_id = adev->rev_id + 0x3c;
+               break;
        default:
                /* FIXME: not supported yet */
                return -EINVAL;
@@ -1118,6 +1123,7 @@ static int nv_common_set_clockgating_state(void *handle,
        case CHIP_NAVI12:
        case CHIP_SIENNA_CICHLID:
        case CHIP_NAVY_FLOUNDER:
+       case CHIP_DIMGREY_CAVEFISH:
                adev->nbio.funcs->update_medium_grain_clock_gating(adev,
                                state == AMD_CG_STATE_GATE);
                adev->nbio.funcs->update_medium_grain_light_sleep(adev,