Commit 46e48456 authored Jun 24, 2011 by Jesse Barnes Committed by Keith Packard Jul 07, 2011

drm: bpp and depth changes require full mode sets



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>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Keith Packard <keithp@keithp.com>

parent 020f6704

drivers/gpu/drm/drm_crtc_helper.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}

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