| Message ID | 1308943168-2624-9-git-send-email-jbarnes@virtuousgeek.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index 9236965..f88a9b2 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -560,6 +560,11 @@ 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) { + mode_changed = true; + } else if (set->fb->bits_per_pixel != + set->crtc->fb->bits_per_pixel) { + mode_changed = true; } else fb_changed = true; }
To properly drive a framebuffer with a new depth or bpp, dither settings and link bandwidth calculations may change, so make sure we go through a full mode set in that case. Reported-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> --- drivers/gpu/drm/drm_crtc_helper.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)