Commit ca6ebb39 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon/si: enable DMA pg by default 



Enable DMA powergating by default.  The DMA engines
will be powergated when not in use.

Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 59a82d0e

drivers/gpu/drm/radeon/radeon_asic.c

+3 −3
Original line number Diff line number Diff line
@@ -2389,9 +2389,9 @@ int radeon_asic_init(struct radeon_device *rdev) 
				RADEON_CG_SUPPORT_UVD_MGCG |

				RADEON_CG_SUPPORT_HDP_LS |

				RADEON_CG_SUPPORT_HDP_MGCG;

			rdev->pg_flags = 0;

					/*RADEON_PG_SUPPORT_GFX_CG |

			  		  RADEON_PG_SUPPORT_SDMA;*/

			rdev->pg_flags = 0 |

				/*RADEON_PG_SUPPORT_GFX_CG | */

				RADEON_PG_SUPPORT_SDMA;

			break;

		case CHIP_OLAND:

			rdev->cg_flags =

drivers/gpu/drm/radeon/si.c

+4 −12
Original line number Diff line number Diff line
@@ -5279,13 +5279,6 @@ static void si_fini_cg(struct radeon_device *rdev) 
			    RADEON_CG_BLOCK_HDP), false);

}



void si_update_pg(struct radeon_device *rdev,

		  bool enable)

{

	si_enable_dma_pg(rdev, enable);

	si_enable_gfx_cgpg(rdev, enable);

}



u32 si_get_csb_size(struct radeon_device *rdev)

{

	u32 count = 0;
@@ -5387,7 +5380,8 @@ static void si_init_pg(struct radeon_device *rdev) 
		if (rdev->pg_flags & RADEON_PG_SUPPORT_GFX_CG) {

			si_init_gfx_cgpg(rdev);

		}

		si_update_pg(rdev, false);

		si_enable_dma_pg(rdev, true);

		si_enable_gfx_cgpg(rdev, true);

	} else {

		WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);

		WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
@@ -5397,9 +5391,7 @@ static void si_init_pg(struct radeon_device *rdev) 
static void si_fini_pg(struct radeon_device *rdev)

{

	if (rdev->pg_flags) {

		if (rdev->pg_flags & RADEON_PG_SUPPORT_SDMA)

		si_enable_dma_pg(rdev, false);

		if (rdev->pg_flags & RADEON_PG_SUPPORT_GFX_CG)

		si_enable_gfx_cgpg(rdev, false);

	}

}