drm/amdgpu: Clear HDP_MISC_CNTL.HDP_FLUSH_INVALIDATE_CACHE

So that we can invalidate and flush the HDP independently

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index 68ee66b38e5c6cfb1ea70d1bc217973421cee749..45cde435102711f5eb65e01a1f69d7e016ef541f 100644 (file)
--- 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 757803ae7c4a290f28815840d2dc31101828ef95..29bd7b57dc912be1b33fdc06ce7ab8944527c804 100644 (file)
--- 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);