From: Kenneth Feng <kenneth.feng@xxxxxxx>
enable sram fgcg on gc 12.0.1
Signed-off-by: Kenneth Feng <kenneth.feng@xxxxxxx>
Reviewed-by: Likun Gao <Likun.Gao@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
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
