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authorChris Wilson <chris@chris-wilson.co.uk>2011-01-26 09:49:47 +0000
committerDave Airlie <airlied@redhat.com>2011-02-23 11:13:11 +1000
commitb1f559ecdc6026ef783ccadc62a61e7da906fcb4 (patch)
tree0191b560a045c6490c326ef0c027797ba9886ffa /drivers/gpu/drm/drm_modes.c
parent60b212f8ddcdbbfa8595f40300756b9ea8dd387e (diff)
drm: Mark constant arrays of drm_display_mode const
... and fixup some methods to accept the constant argument. Now that constant module arrays are loaded into read-only memory, using const appropriately has some benefits beyond warning the programmer about likely mistakes. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/drm_modes.c')
-rw-r--r--drivers/gpu/drm/drm_modes.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 58e65f92c232..25bf87390f53 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -593,7 +593,7 @@ EXPORT_SYMBOL(drm_mode_height);
*
* Return @modes's hsync rate in kHz, rounded to the nearest int.
*/
-int drm_mode_hsync(struct drm_display_mode *mode)
+int drm_mode_hsync(const struct drm_display_mode *mode)
{
unsigned int calc_val;
@@ -627,7 +627,7 @@ EXPORT_SYMBOL(drm_mode_hsync);
* If it is 70.288, it will return 70Hz.
* If it is 59.6, it will return 60Hz.
*/
-int drm_mode_vrefresh(struct drm_display_mode *mode)
+int drm_mode_vrefresh(const struct drm_display_mode *mode)
{
int refresh = 0;
unsigned int calc_val;
@@ -725,7 +725,7 @@ EXPORT_SYMBOL(drm_mode_set_crtcinfo);
* a pointer to it. Used to create new instances of established modes.
*/
struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev,
- struct drm_display_mode *mode)
+ const struct drm_display_mode *mode)
{
struct drm_display_mode *nmode;
int new_id;