drm/msm/dp: stop passing panel to msm_dp_audio_get()

The dp_audio module doesn't make any use of the passed DP panel
instance. Drop the argument.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Stephen Boyd <swboyd@chromium.org> # sc7180-trogdor
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/629056/
Link: https://lore.kernel.org/r/20241216-fd-dp-audio-fixup-v4-5-f8d1961cf22f@linaro.org

Author: lumag

drivers/gpu/drm/msm/dp/dp_audio.c

@@ -351,14 +351,13 @@ int msm_dp_register_audio_driver(struct device *dev,
 }
 
 struct msm_dp_audio *msm_dp_audio_get(struct platform_device *pdev,
-			struct msm_dp_panel *panel,
 			struct msm_dp_catalog *catalog)
 {
 	int rc = 0;
 	struct msm_dp_audio_private *audio;
 	struct msm_dp_audio *msm_dp_audio;
 
-	if (!pdev || !panel || !catalog) {
+	if (!pdev || !catalog) {
 		DRM_ERROR("invalid input\n");
 		rc = -EINVAL;
 		goto error;

drivers/gpu/drm/msm/dp/dp_audio.h

@@ -8,7 +8,6 @@
 
 #include <linux/platform_device.h>
 
-#include "dp_panel.h"
 #include "dp_catalog.h"
 #include <sound/hdmi-codec.h>
 
@@ -28,14 +27,12 @@ struct msm_dp_audio {
  * Creates and instance of dp audio.
  *
  * @pdev: caller's platform device instance.
- * @panel: an instance of msm_dp_panel module.
  * @catalog: an instance of msm_dp_catalog module.
  *
  * Returns the error code in case of failure, otherwize
  * an instance of newly created msm_dp_module.
  */
 struct msm_dp_audio *msm_dp_audio_get(struct platform_device *pdev,
-			struct msm_dp_panel *panel,
 			struct msm_dp_catalog *catalog);
 
 /**

drivers/gpu/drm/msm/dp/dp_display.c

@@ -780,7 +780,7 @@ static int msm_dp_init_sub_modules(struct msm_dp_display_private *dp)
 		goto error_ctrl;
 	}
 
-	dp->audio = msm_dp_audio_get(dp->msm_dp_display.pdev, dp->panel, dp->catalog);
+	dp->audio = msm_dp_audio_get(dp->msm_dp_display.pdev, dp->catalog);
 	if (IS_ERR(dp->audio)) {
 		rc = PTR_ERR(dp->audio);
 		pr_err("failed to initialize audio, rc = %d\n", rc);