[v3,01/50] drm/atomic: Constify mode argument to mode_valid_path()

Commit Message

Laurent Pinchart Feb. 11, 2019, 9:46 a.m. UTC

The mode_valid_path() function validates the mode it receives without
ever modifying it. Constify the mode pointer argument to make that
explicit.

Signed-off-by: Laurent Pinchart <[e-mail]>
Reviewed-by: Ville Syrjälä <[e-mail]>
Reviewed-by: Tomi Valkeinen <[e-mail]>
Reviewed-by: Sebastian Reichel <[e-mail]>
Tested-by: Sebastian Reichel <[e-mail]>
---
 drivers/gpu/drm/drm_atomic_helper.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch

diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 6fe2303fccd9..3a746a9a16fb 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -488,7 +488,7 @@  mode_fixup(struct drm_atomic_state *state)
 static enum drm_mode_status mode_valid_path(struct drm_connector *connector,
 					    struct drm_encoder *encoder,
 					    struct drm_crtc *crtc,
-					    struct drm_display_mode *mode)
+					    const struct drm_display_mode *mode)
 {
 	enum drm_mode_status ret;
 
@@ -527,7 +527,7 @@  mode_valid(struct drm_atomic_state *state)
 		struct drm_crtc *crtc = conn_state->crtc;
 		struct drm_crtc_state *crtc_state;
 		enum drm_mode_status mode_status;
-		struct drm_display_mode *mode;
+		const struct drm_display_mode *mode;
 
 		if (!crtc || !encoder)
 			continue;