Re: [PATCH 2/4] drm/amdgpu/gmc9: don't keep stolen memory on Raven

2018-08-30 Thread Zhang, Jerry (Junwei) 

On 08/30/2018 10:53 PM, Alex Deucher wrote:

Raven does not appear to be affected by the same issue
as vega10.  Enable the full stolen memory handling on
Raven.  Reserve the appropriate size at init time to avoid
display artifacts and then free it at the end of init once
the new FB is up and running.

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=106639
Signed-off-by: Alex Deucher 

Reviewed-by: Junwei Zhang 


---
  drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 1 +
  1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c 
b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 46cff7d8b375..938d03593713 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -706,6 +706,7 @@ static bool gmc_v9_0_keep_stolen_memory(struct 
amdgpu_device *adev)
 */
switch (adev->asic_type) {
case CHIP_RAVEN:
+   return false;
case CHIP_VEGA10:
case CHIP_VEGA12:
case CHIP_VEGA20:


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[PATCH 2/4] drm/amdgpu/gmc9: don't keep stolen memory on Raven

2018-08-30 Thread Alex Deucher 
Raven does not appear to be affected by the same issue
as vega10.  Enable the full stolen memory handling on
Raven.  Reserve the appropriate size at init time to avoid
display artifacts and then free it at the end of init once
the new FB is up and running.

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=106639
Signed-off-by: Alex Deucher 
---
 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c 
b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 46cff7d8b375..938d03593713 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -706,6 +706,7 @@ static bool gmc_v9_0_keep_stolen_memory(struct 
amdgpu_device *adev)
 */
switch (adev->asic_type) {
case CHIP_RAVEN:
+   return false;
case CHIP_VEGA10:
case CHIP_VEGA12:
case CHIP_VEGA20:
-- 
2.13.6

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