From 598a3b753af1947adbc542d1ebcc1863877589b0 Mon Sep 17 00:00:00 2001 From: Kenneth Feng Date: Fri, 1 Mar 2024 17:36:42 +0800 Subject: drm/amd/amdgpu: enable sram fgcg on gc 12.0.1 enable sram fgcg on gc 12.0.1 Signed-off-by: Kenneth Feng Reviewed-by: Likun Gao Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c') diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c index 2d0b21348d64..e5bf2984d8cb 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, -- cgit v1.2.3-70-g09d2