Commit cd11b58c authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu/display: make backlight setting failure messages debug 



Avoid spamming the log.  The backlight controller on DCN chips
gets powered down when the display is off, so if you attempt to
set the backlight level when the display is off, you'll get this
message.  This isn't a problem as we cache the requested backlight
level if it's adjusted when the display is off and set it again
during modeset.

Reviewed-by: default avatarNicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: nicholas.choi@amd.com
Cc: harry.wentland@amd.com
parent b0781603

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

+2 −2
Original line number Diff line number Diff line
@@ -3506,7 +3506,7 @@ static int amdgpu_dm_backlight_set_level(struct amdgpu_display_manager *dm, 
			rc = dc_link_set_backlight_level_nits(link[i], true, brightness[i],

				AUX_BL_DEFAULT_TRANSITION_TIME_MS);

			if (!rc) {

				DRM_ERROR("DM: Failed to update backlight via AUX on eDP[%d]\n", i);

				DRM_DEBUG("DM: Failed to update backlight via AUX on eDP[%d]\n", i);

				break;

			}

		}
@@ -3514,7 +3514,7 @@ static int amdgpu_dm_backlight_set_level(struct amdgpu_display_manager *dm, 
		for (i = 0; i < dm->num_of_edps; i++) {

			rc = dc_link_set_backlight_level(dm->backlight_link[i], brightness[i], 0);

			if (!rc) {

				DRM_ERROR("DM: Failed to update backlight on eDP[%d]\n", i);

				DRM_DEBUG("DM: Failed to update backlight on eDP[%d]\n", i);

				break;

			}

		}