drm/amdgpu: add GMC support for Stoney

Stoney is GMC 8.x.

Signed-off-by: Samuel Li <samuel.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index 42b5ff8..72e977b 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -93,6 +93,12 @@ static const u32 cz_mgcg_cgcg_init[] =
        mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
 };
 
+static const u32 stoney_mgcg_cgcg_init[] =
+{
+       mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
+};
+
+
 static void gmc_v8_0_init_golden_registers(struct amdgpu_device *adev)
 {
        switch (adev->asic_type) {
@@ -125,6 +131,11 @@ static void gmc_v8_0_init_golden_registers(struct amdgpu_device *adev)
                                                 cz_mgcg_cgcg_init,
                                                 (const u32)ARRAY_SIZE(cz_mgcg_cgcg_init));
                break;
+       case CHIP_STONEY:
+               amdgpu_program_register_sequence(adev,
+                                                stoney_mgcg_cgcg_init,
+                                                (const u32)ARRAY_SIZE(stoney_mgcg_cgcg_init));
+               break;
        default:
                break;
        }
@@ -228,6 +239,7 @@ static int gmc_v8_0_init_microcode(struct amdgpu_device *adev)
                chip_name = "fiji";
                break;
        case CHIP_CARRIZO:
+       case CHIP_STONEY:
                return 0;
        default: BUG();
        }