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drm/amdgpu: support cg state get for gfx v12

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Support to get clockgating state for gfx v12.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Likun Gao
2024-04-07 05:44:54 +08:00
committed by Alex Deucher
parent 598a3b753a
commit b9f5d0f978
1 changed files with 37 additions and 1 deletions
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38
drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
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@@ -3863,7 +3863,43 @@ static int gfx_v12_0_set_clockgating_state(void *handle,
static void gfx_v12_0_get_clockgating_state(void *handle, u64 *flags)
{
/* TODO */
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int data;
/* AMD_CG_SUPPORT_GFX_MGCG */
data = RREG32_SOC15(GC, 0, regRLC_CGTT_MGCG_OVERRIDE);
if (!(data & RLC_CGTT_MGCG_OVERRIDE__GFXIP_MGCG_OVERRIDE_MASK))
*flags |= AMD_CG_SUPPORT_GFX_MGCG;
/* AMD_CG_SUPPORT_REPEATER_FGCG */
if (!(data & RLC_CGTT_MGCG_OVERRIDE__GFXIP_REPEATER_FGCG_OVERRIDE_MASK))
*flags |= AMD_CG_SUPPORT_REPEATER_FGCG;
/* AMD_CG_SUPPORT_GFX_FGCG */
if (!(data & RLC_CGTT_MGCG_OVERRIDE__GFXIP_FGCG_OVERRIDE_MASK))
*flags |= AMD_CG_SUPPORT_GFX_FGCG;
/* AMD_CG_SUPPORT_GFX_PERF_CLK */
if (!(data & RLC_CGTT_MGCG_OVERRIDE__PERFMON_CLOCK_STATE_MASK))
*flags |= AMD_CG_SUPPORT_GFX_PERF_CLK;
/* AMD_CG_SUPPORT_GFX_CGCG */
data = RREG32_SOC15(GC, 0, regRLC_CGCG_CGLS_CTRL);
if (data & RLC_CGCG_CGLS_CTRL__CGCG_EN_MASK)
*flags |= AMD_CG_SUPPORT_GFX_CGCG;
/* AMD_CG_SUPPORT_GFX_CGLS */
if (data & RLC_CGCG_CGLS_CTRL__CGLS_EN_MASK)
*flags |= AMD_CG_SUPPORT_GFX_CGLS;
/* AMD_CG_SUPPORT_GFX_3D_CGCG */
data = RREG32_SOC15(GC, 0, regRLC_CGCG_CGLS_CTRL_3D);
if (data & RLC_CGCG_CGLS_CTRL_3D__CGCG_EN_MASK)
*flags |= AMD_CG_SUPPORT_GFX_3D_CGCG;
/* AMD_CG_SUPPORT_GFX_3D_CGLS */
if (data & RLC_CGCG_CGLS_CTRL_3D__CGLS_EN_MASK)
*flags |= AMD_CG_SUPPORT_GFX_3D_CGLS;
}
static u64 gfx_v12_0_ring_get_rptr_gfx(struct amdgpu_ring *ring)