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Commit 54270952 authored by Daniel Stone's avatar Daniel Stone Committed by Daniel Vetter
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drm: mode: Allow NULL modes for equality check 



Since we're now using mode == NULL to represent disabled, it's not
wholly surprising that we'd want to compare NULL modes.

Signed-off-by: default avatarDaniel Stone <daniels@collabora.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent f3af5c7d

drivers/gpu/drm/drm_modes.c

+6 −0
Original line number Diff line number Diff line
@@ -903,6 +903,12 @@ EXPORT_SYMBOL(drm_mode_duplicate); 
 */

bool drm_mode_equal(const struct drm_display_mode *mode1, const struct drm_display_mode *mode2)

{

	if (!mode1 && !mode2)

		return true;



	if (!mode1 || !mode2)

		return false;



	/* do clock check convert to PICOS so fb modes get matched

	 * the same */

	if (mode1->clock && mode2->clock) {