[PATCH] drm/amd/display: Fix the display corruption issue on Navi10

[Yifan Zhang]

[Why]
Screen corruption on Navi10 card

[How]
Set system context in DCN only on Renoir and Cezanne

Signed-off-by: Yifan Zhang <yifan1.zhang at amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 3d534a4da20b..6855aad7f312 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1061,10 +1061,12 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 
 	dc_hardware_init(adev->dm.dc);
 
-	mmhub_read_system_context(adev, &pa_config);
+	if (adev->asic_type == CHIP_RENOIR) {
+		mmhub_read_system_context(adev, &pa_config);
 
-	// Call the DC init_memory func
-	dc_setup_system_context(adev->dm.dc, &pa_config);
+		// Call the DC init_memory func
+		dc_setup_system_context(adev->dm.dc, &pa_config);
+	}
 
 	adev->dm.freesync_module = mod_freesync_create(adev->dm.dc);
 	if (!adev->dm.freesync_module) {
-- 
2.17.1