[PATCH 2/2] drm/amd/display: setup system context for APUs

[Huang, Ray]

[AMD Official Use Only]

Nice catch!

Series are Reviewed-by: Huang Rui <ray.huang at amd.com>

Thanks,
Ray

-----Original Message-----
From: Liu, Aaron <Aaron.Liu at amd.com> 
Sent: Friday, August 27, 2021 9:29 AM
To: amd-gfx at lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher at amd.com>; Huang, Ray <Ray.Huang at amd.com>; Kazlauskas, Nicholas <Nicholas.Kazlauskas at amd.com>; Liu, Aaron <Aaron.Liu at amd.com>
Subject: [PATCH 2/2] drm/amd/display: setup system context for APUs

Scatter/gather is APU feature starting from carrizo.
adev->apu_flags is not used for all APUs.
adev->flags & AMD_IS_APU can be used for all APUs.

Signed-off-by: Aaron Liu <aaron.liu at amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 e1e57e7465a7..7f311bba9735 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1327,7 +1327,7 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 	dc_hardware_init(adev->dm.dc);
 
 #if defined(CONFIG_DRM_AMD_DC_DCN)
-	if (adev->apu_flags) {
+	if ((adev->flags & AMD_IS_APU) && (adev->asic_type >= CHIP_CARRIZO)) {
 		struct dc_phy_addr_space_config pa_config;
 
 		mmhub_read_system_context(adev, &pa_config);
-- 
2.25.1