drm/amdgpu/display: disable prefer_shadow for generic fb helpers

Seems to break hibernation.  Disable for now until we can root
cause it.

Fixes: 087451f ("drm/amdgpu: use generic fb helpers instead of setting up AMD own's.")
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=216119
Acked-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Author: alexdeucher

drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c

@@ -496,7 +496,8 @@ static int amdgpu_vkms_sw_init(void *handle)
 	adev_to_drm(adev)->mode_config.max_height = YRES_MAX;
 
 	adev_to_drm(adev)->mode_config.preferred_depth = 24;
-	adev_to_drm(adev)->mode_config.prefer_shadow = 1;
+	/* disable prefer shadow for now due to hibernation issues */
+	adev_to_drm(adev)->mode_config.prefer_shadow = 0;
 
 	adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base;
 

drivers/gpu/drm/amd/amdgpu/dce_v10_0.c

@@ -2796,7 +2796,8 @@ static int dce_v10_0_sw_init(void *handle)
 	adev_to_drm(adev)->mode_config.max_height = 16384;
 
 	adev_to_drm(adev)->mode_config.preferred_depth = 24;
-	adev_to_drm(adev)->mode_config.prefer_shadow = 1;
+	/* disable prefer shadow for now due to hibernation issues */
+	adev_to_drm(adev)->mode_config.prefer_shadow = 0;
 
 	adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
 

drivers/gpu/drm/amd/amdgpu/dce_v11_0.c

@@ -2914,7 +2914,8 @@ static int dce_v11_0_sw_init(void *handle)
 	adev_to_drm(adev)->mode_config.max_height = 16384;
 
 	adev_to_drm(adev)->mode_config.preferred_depth = 24;
-	adev_to_drm(adev)->mode_config.prefer_shadow = 1;
+	/* disable prefer shadow for now due to hibernation issues */
+	adev_to_drm(adev)->mode_config.prefer_shadow = 0;
 
 	adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
 

drivers/gpu/drm/amd/amdgpu/dce_v6_0.c

@@ -2673,7 +2673,8 @@ static int dce_v6_0_sw_init(void *handle)
 	adev_to_drm(adev)->mode_config.max_width = 16384;
 	adev_to_drm(adev)->mode_config.max_height = 16384;
 	adev_to_drm(adev)->mode_config.preferred_depth = 24;
-	adev_to_drm(adev)->mode_config.prefer_shadow = 1;
+	/* disable prefer shadow for now due to hibernation issues */
+	adev_to_drm(adev)->mode_config.prefer_shadow = 0;
 	adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
 	adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base;
 

drivers/gpu/drm/amd/amdgpu/dce_v8_0.c

@@ -2693,7 +2693,8 @@ static int dce_v8_0_sw_init(void *handle)
 	adev_to_drm(adev)->mode_config.max_height = 16384;
 
 	adev_to_drm(adev)->mode_config.preferred_depth = 24;
-	adev_to_drm(adev)->mode_config.prefer_shadow = 1;
+	/* disable prefer shadow for now due to hibernation issues */
+	adev_to_drm(adev)->mode_config.prefer_shadow = 0;
 
 	adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
 

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

@@ -3822,7 +3822,8 @@ static int amdgpu_dm_mode_config_init(struct amdgpu_device *adev)
 	adev_to_drm(adev)->mode_config.max_height = 16384;
 
 	adev_to_drm(adev)->mode_config.preferred_depth = 24;
-	adev_to_drm(adev)->mode_config.prefer_shadow = 1;
+	/* disable prefer shadow for now due to hibernation issues */
+	adev_to_drm(adev)->mode_config.prefer_shadow = 0;
 	/* indicates support for immediate flip */
 	adev_to_drm(adev)->mode_config.async_page_flip = true;