Commit 3a338bb1 authored by Mukul Joshi's avatar Mukul Joshi Committed by Alex Deucher
Browse files

drm/amdgpu: Enable PDE.C usage on GFX 12.1 



On GFX 12.1, PDE.C is ignored if (PDE|PTE)_REQUEST_PHYSICAL
is not setup in the GCVM control register. Always set this
field to enable PDE.C usage.

Signed-off-by: default avatarMukul Joshi <mukul.joshi@amd.com>
Reviewed-by: default avatarAlex Sierra <alex.sierra@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent b8c27208

drivers/gpu/drm/amd/amdgpu/gfxhub_v12_1.c

+4 −12
Original line number Diff line number Diff line
@@ -322,18 +322,10 @@ static void gfxhub_v12_1_xcc_init_cache_regs(struct amdgpu_device *adev, 
		WREG32_SOC15_RLC(GC, GET_INST(GC, i), regGCVM_L2_CNTL3, tmp);



		tmp = regGCVM_L2_CNTL4_DEFAULT;

		/* For AMD APP APUs setup WC memory */

		if (adev->gmc.xgmi.connected_to_cpu || adev->gmc.is_app_apu) {

		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4,

				    VMC_TAP_PDE_REQUEST_PHYSICAL, 1);

		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4,

				    VMC_TAP_PTE_REQUEST_PHYSICAL, 1);

		} else {

			tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4,

					    VMC_TAP_PDE_REQUEST_PHYSICAL, 0);

			tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4,

					    VMC_TAP_PTE_REQUEST_PHYSICAL, 0);

		}

		WREG32_SOC15_RLC(GC, GET_INST(GC, i), regGCVM_L2_CNTL4, tmp);



		tmp = regGCVM_L2_CNTL5_DEFAULT;