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Commit 13459bd0 authored by Chunming Zhou's avatar Chunming Zhou Committed by Alex Deucher
Browse files

drm/amdgpu: Clear HDP_MISC_CNTL.HDP_FLUSH_INVALIDATE_CACHE 



So that we can invalidate and flush the HDP independently

Signed-off-by: default avatarChunming Zhou <David1.Zhou@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent cc958e67

drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c

+1 −1
Original line number Diff line number Diff line
@@ -339,7 +339,7 @@ static void gmc_v7_0_mc_program(struct amdgpu_device *adev) 
	WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK);



	tmp = RREG32(mmHDP_MISC_CNTL);

	tmp = REG_SET_FIELD(tmp, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 1);

	tmp = REG_SET_FIELD(tmp, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 0);

	WREG32(mmHDP_MISC_CNTL, tmp);



	tmp = RREG32(mmHDP_HOST_PATH_CNTL);

drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c

+1 −1
Original line number Diff line number Diff line
@@ -386,7 +386,7 @@ static void gmc_v8_0_mc_program(struct amdgpu_device *adev) 
	WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK);



	tmp = RREG32(mmHDP_MISC_CNTL);

	tmp = REG_SET_FIELD(tmp, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 1);

	tmp = REG_SET_FIELD(tmp, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 0);

	WREG32(mmHDP_MISC_CNTL, tmp);



	tmp = RREG32(mmHDP_HOST_PATH_CNTL);