Commit b9f5d0f9 authored by Likun Gao's avatar Likun Gao Committed by Alex Deucher
Browse files

drm/amdgpu: support cg state get for gfx v12 



Support to get clockgating state for gfx v12.

Signed-off-by: default avatarLikun Gao <Likun.Gao@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 598a3b75

drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c

+37 −1
Original line number Diff line number Diff line
@@ -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)