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drm/amd/amdgpu: enable mgcg on gfx 12.0.1

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enable mgcg on gfx 12.0.1

Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kenneth Feng 2024-03-01 14:14:43 +08:00 committed by Alex Deucher
parent 81b09cedb3
commit af472f68c7
2 changed files with 31 additions and 5 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

30
drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
View file

@ -3729,7 +3729,35 @@ static void gfx_v12_0_update_coarse_grain_clock_gating(struct amdgpu_device *ade
static void gfx_v12_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
bool enable)
{
/* TODO */
uint32_t data, def;
if (!(adev->cg_flags & (AMD_CG_SUPPORT_GFX_MGCG | AMD_CG_SUPPORT_GFX_MGLS)))
return;
/* It is disabled by HW by default */
if (enable) {
if (adev->cg_flags & AMD_CG_SUPPORT_GFX_MGCG) {
/* 1 - RLC_CGTT_MGCG_OVERRIDE */
def = data = RREG32_SOC15(GC, 0, regRLC_CGTT_MGCG_OVERRIDE);
data &= ~(RLC_CGTT_MGCG_OVERRIDE__GRBM_CGTT_SCLK_OVERRIDE_MASK |
RLC_CGTT_MGCG_OVERRIDE__RLC_CGTT_SCLK_OVERRIDE_MASK |
RLC_CGTT_MGCG_OVERRIDE__GFXIP_MGCG_OVERRIDE_MASK);
if (def != data)
WREG32_SOC15(GC, 0, regRLC_CGTT_MGCG_OVERRIDE, data);
}
} else {
if (adev->cg_flags & AMD_CG_SUPPORT_GFX_MGCG) {
def = data = RREG32_SOC15(GC, 0, regRLC_CGTT_MGCG_OVERRIDE);
data |= (RLC_CGTT_MGCG_OVERRIDE__RLC_CGTT_SCLK_OVERRIDE_MASK |
RLC_CGTT_MGCG_OVERRIDE__GRBM_CGTT_SCLK_OVERRIDE_MASK |
RLC_CGTT_MGCG_OVERRIDE__GFXIP_MGCG_OVERRIDE_MASK);
if (def != data)
WREG32_SOC15(GC, 0, regRLC_CGTT_MGCG_OVERRIDE, data);
}
}
}
static void gfx_v12_0_update_repeater_fgcg(struct amdgpu_device *adev,

6
drivers/gpu/drm/amd/amdgpu/soc24.c
View file

@ -402,14 +402,12 @@ static int soc24_common_early_init(void *handle)
break;
case IP_VERSION(12, 0, 1):
adev->cg_flags = AMD_CG_SUPPORT_GFX_CGCG |
AMD_CG_SUPPORT_GFX_CGLS;
AMD_CG_SUPPORT_GFX_CGLS |
AMD_CG_SUPPORT_GFX_MGCG;
adev->pg_flags = AMD_PG_SUPPORT_VCN |
AMD_PG_SUPPORT_JPEG |
AMD_PG_SUPPORT_VCN_DPG;
adev->external_rev_id = adev->rev_id + 0x50;
adev->cg_flags = AMD_CG_SUPPORT_GFX_CGCG |
AMD_CG_SUPPORT_GFX_CGLS;
break;
default:
/* FIXME: not supported yet */