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 <[email protected]> Signed-off-by: Jesse Barnes <[email protected]> --- drivers/gpu/drm/drm_crtc_helper.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) 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; } -- 1.7.4.1 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
