From ce83adf78bbbe6bdcd99f0b97212337ce6b84940 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Mon, 22 Apr 2013 01:38:47 +0200
Subject: [PATCH] drm: Perform a full mode set when the pixel format changed
Test whether the pixel format changes in the mode set handler, and
perform a full mode set instead of a mode set base if it does.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
drivers/gpu/drm/drm_crtc_helper.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 7b2d378b25766..e974f9309b726 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -648,6 +648,9 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
} else if (set->fb->bits_per_pixel !=
set->crtc->fb->bits_per_pixel) {
mode_changed = true;
+ } else if (set->fb->pixel_format !=
+ set->crtc->fb->pixel_format) {
+ mode_changed = true;
} else
fb_changed = true;
}
--
2.39.5