As the crtc will need to be reconfigured if the framebuffer depth
changes, we need to check for such a change during set_config().
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
drivers/gpu/drm/drm_crtc_helper.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/drm_crtc_helper.c
b/drivers/gpu/drm/drm_crtc_helper.c
index 11fe9c8..1ccd77f 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -543,6 +543,9 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
mode_changed = true;
} else if (set->fb == NULL) {
mode_changed = true;
+ } else if (set->fb->depth != set->crtc->fb->depth) {
+ DRM_DEBUG_KMS("crtc is changing fb depth, full mode
set\n");
+ mode_changed = true;
} else
fb_changed = true;
}
--
1.7.1
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