Commit a3ae3384 authored by Antheas Kapenekakis's avatar Antheas Kapenekakis Committed by Mario Limonciello (AMD)
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drm: panel-backlight-quirks: Log applied panel brightness quirks 



Currently, when a panel brightness quirk is applied, there is no log
indicating that a quirk was applied. Unwrap the drm device on its own
and use drm_info() to log when a quirk is applied.

Suggested-by: default avatarMario Limonciello <mario.limonciello@amd.com>
Signed-off-by: default avatarAntheas Kapenekakis <lkml@antheas.dev>
Link: https://lore.kernel.org/r/20250829145541.512671-7-lkml@antheas.dev


Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarMario Limonciello <mario.limonciello@amd.com>
(Correct a missing -1 in the message math)
Signed-off-by: default avatarMario Limonciello (AMD) <superm1@kernel.org>
parent bf0365b0

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

+13 −3
Original line number Diff line number Diff line
@@ -3617,13 +3617,15 @@ static void update_connector_ext_caps(struct amdgpu_dm_connector *aconnector) 
	struct drm_connector *conn_base;

	struct amdgpu_device *adev;

	struct drm_luminance_range_info *luminance_range;

	struct drm_device *drm;



	if (aconnector->bl_idx == -1 ||

	    aconnector->dc_link->connector_signal != SIGNAL_TYPE_EDP)

		return;



	conn_base = &aconnector->base;

	adev = drm_to_adev(conn_base->dev);

	drm = conn_base->dev;

	adev = drm_to_adev(drm);



	caps = &adev->dm.backlight_caps[aconnector->bl_idx];

	caps->ext_caps = &aconnector->dc_link->dpcd_sink_ext_caps;
@@ -3659,14 +3661,22 @@ static void update_connector_ext_caps(struct amdgpu_dm_connector *aconnector) 
	panel_backlight_quirk =

		drm_get_panel_backlight_quirk(aconnector->drm_edid);

	if (!IS_ERR_OR_NULL(panel_backlight_quirk)) {

		if (panel_backlight_quirk->min_brightness)

		if (panel_backlight_quirk->min_brightness) {

			caps->min_input_signal =

				panel_backlight_quirk->min_brightness - 1;

		if (panel_backlight_quirk->brightness_mask)

			drm_info(drm,

				 "Applying panel backlight quirk, min_brightness: %d\n",

				 caps->min_input_signal);

		}

		if (panel_backlight_quirk->brightness_mask) {

			drm_info(drm,

				 "Applying panel backlight quirk, brightness_mask: 0x%X\n",

				 panel_backlight_quirk->brightness_mask);

			caps->brightness_mask =

				panel_backlight_quirk->brightness_mask;

		}

	}

}



DEFINE_FREE(sink_release, struct dc_sink *, if (_T) dc_sink_release(_T))