Commit 3e7fbfb4 authored by Evan Quan's avatar Evan Quan Committed by Alex Deucher
Browse files

drm/amdgpu: update GFX MGCG settings 



Update GFX MGCG related settings.

Signed-off-by: default avatarEvan Quan <evan.quan@amd.com>
Reviewed-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 754e9883

drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c

+7 −4
Original line number Diff line number Diff line
@@ -7777,11 +7777,11 @@ static void gfx_v10_0_update_medium_grain_clock_gating(struct amdgpu_device *ade 
{

	uint32_t data, def;



	if (!(adev->cg_flags & AMD_CG_SUPPORT_GFX_MGCG))

	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 (enable && (adev->cg_flags & AMD_CG_SUPPORT_GFX_MGCG)) {

		/* 0 - Disable some blocks' MGCG */

		WREG32_SOC15(GC, 0, mmGRBM_GFX_INDEX, 0xe0000000);

		WREG32_SOC15(GC, 0, mmCGTT_WD_CLK_CTRL, 0xff000000);
@@ -7794,6 +7794,7 @@ static void gfx_v10_0_update_medium_grain_clock_gating(struct amdgpu_device *ade 
			  RLC_CGTT_MGCG_OVERRIDE__RLC_CGTT_SCLK_OVERRIDE_MASK |

			  RLC_CGTT_MGCG_OVERRIDE__GFXIP_MGCG_OVERRIDE_MASK |

			  RLC_CGTT_MGCG_OVERRIDE__GFXIP_MGLS_OVERRIDE_MASK |

			  RLC_CGTT_MGCG_OVERRIDE__GFXIP_FGCG_OVERRIDE_MASK |

			  RLC_CGTT_MGCG_OVERRIDE__ENABLE_CGTS_LEGACY_MASK);



		if (def != data)
@@ -7816,13 +7817,15 @@ static void gfx_v10_0_update_medium_grain_clock_gating(struct amdgpu_device *ade 
					WREG32_SOC15(GC, 0, mmCP_MEM_SLP_CNTL, data);

			}

		}

	} else {

	} else if (!enable || !(adev->cg_flags & AMD_CG_SUPPORT_GFX_MGCG)) {

		/* 1 - MGCG_OVERRIDE */

		def = data = RREG32_SOC15(GC, 0, mmRLC_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 |

			 RLC_CGTT_MGCG_OVERRIDE__GFXIP_MGLS_OVERRIDE_MASK);

			 RLC_CGTT_MGCG_OVERRIDE__GFXIP_MGLS_OVERRIDE_MASK |

			 RLC_CGTT_MGCG_OVERRIDE__GFXIP_FGCG_OVERRIDE_MASK |

			 RLC_CGTT_MGCG_OVERRIDE__ENABLE_CGTS_LEGACY_MASK);

		if (def != data)

			WREG32_SOC15(GC, 0, mmRLC_CGTT_MGCG_OVERRIDE, data);