From 0b08c54bb7a37047a3a006e36c2270ebc62fef7d Mon Sep 17 00:00:00 2001 From: Yifan Zhang Date: Tue, 20 Oct 2020 14:40:16 +0800 Subject: [PATCH] drm/amd/display: Fix the display corruption issue on Navi10 [Why] Screen corruption on Navi10 card [How] Set system context in DCN only on Renoir Tested-by: Matt Coffin Acked-by: Alex Deucher Signed-off-by: Yifan Zhang Reviewed-by: Roman Li Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 10 +++++++--- 1 file changed, 7 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 50785346ff01..cfbf70afaac1 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1097,10 +1097,14 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) dc_hardware_init(adev->dm.dc); - mmhub_read_system_context(adev, &pa_config); +#if defined(CONFIG_DRM_AMD_DC_DCN) + 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); + } +#endif adev->dm.freesync_module = mod_freesync_create(adev->dm.dc); if (!adev->dm.freesync_module) { -- 2.34.1