Commit ba1bab14 authored by Furquan Shaikh's avatar Furquan Shaikh Committed by Alex Deucher
Browse files

drivers: gpu: amd: Initialize amdgpu_dm_backlight_caps object to 0 in... 


drivers: gpu: amd: Initialize amdgpu_dm_backlight_caps object to 0 in amdgpu_dm_update_backlight_caps

In `amdgpu_dm_update_backlight_caps()`, there is a local
`amdgpu_dm_backlight_caps` object that is filled in by
`amdgpu_acpi_get_backlight_caps()`. However, this object is
uninitialized before the call and hence the subsequent check for
aux_support can fail since it is not initialized by
`amdgpu_acpi_get_backlight_caps()` as well. This change initializes
this local `amdgpu_dm_backlight_caps` object to 0.

Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarFurquan Shaikh <furquan@google.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 4c319bbe

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

+2 −0
Original line number Diff line number Diff line
@@ -2927,6 +2927,8 @@ static void amdgpu_dm_update_backlight_caps(struct amdgpu_display_manager *dm) 
#if defined(CONFIG_ACPI)

	struct amdgpu_dm_backlight_caps caps;



	memset(&caps, 0, sizeof(caps));



	if (dm->backlight_caps.caps_valid)

		return;