From 13459bd0fb4d178bcbd20cff155f1849313cd3bf Mon Sep 17 00:00:00 2001 From: Chunming Zhou Date: Thu, 3 Mar 2016 14:47:54 +0800 Subject: [PATCH] drm/amdgpu: Clear HDP_MISC_CNTL.HDP_FLUSH_INVALIDATE_CACHE MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit So that we can invalidate and flush the HDP independently Signed-off-by: Chunming Zhou Reviewed-by: Alex Deucher Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 2 +- drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index 68ee66b38e5c..45cde4351027 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -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); diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 757803ae7c4a..29bd7b57dc91 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -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); -- 2.20.1