From: Kenneth Feng <[email protected]>

enable sram fgcg on gc 12.0.1

Signed-off-by: Kenneth Feng <[email protected]>
Reviewed-by: Likun Gao <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c | 15 ++++++++++++++-
 drivers/gpu/drm/amd/amdgpu/soc24.c     |  1 +
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c 
b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
index 9aeced9d31616..8d4b234bd287e 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
@@ -3797,7 +3797,20 @@ static void gfx_v12_0_update_repeater_fgcg(struct 
amdgpu_device *adev,
 static void gfx_v12_0_update_sram_fgcg(struct amdgpu_device *adev,
                                       bool enable)
 {
-       /* TODO */
+       uint32_t def, data;
+
+       if (!(adev->cg_flags & AMD_CG_SUPPORT_GFX_FGCG))
+               return;
+
+       def = data = RREG32_SOC15(GC, 0, regRLC_CGTT_MGCG_OVERRIDE);
+
+       if (enable)
+               data &= ~RLC_CGTT_MGCG_OVERRIDE__GFXIP_FGCG_OVERRIDE_MASK;
+       else
+               data |= RLC_CGTT_MGCG_OVERRIDE__GFXIP_FGCG_OVERRIDE_MASK;
+
+       if (def != data)
+               WREG32_SOC15(GC, 0, regRLC_CGTT_MGCG_OVERRIDE, data);
 }
 
 static int gfx_v12_0_update_gfx_clock_gating(struct amdgpu_device *adev,
diff --git a/drivers/gpu/drm/amd/amdgpu/soc24.c 
b/drivers/gpu/drm/amd/amdgpu/soc24.c
index 701056a865a4c..174126bc5f602 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc24.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc24.c
@@ -407,6 +407,7 @@ static int soc24_common_early_init(void *handle)
                        AMD_CG_SUPPORT_GFX_3D_CGCG |
                        AMD_CG_SUPPORT_GFX_3D_CGLS |
                        AMD_CG_SUPPORT_REPEATER_FGCG |
+                       AMD_CG_SUPPORT_GFX_FGCG |
                        AMD_CG_SUPPORT_GFX_PERF_CLK;
                adev->pg_flags = AMD_PG_SUPPORT_VCN |
                        AMD_PG_SUPPORT_JPEG |
-- 
2.44.0

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