From: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
When mode's vrefresh is zero we should ask DRM core to calculate vrefresh
for us so we can get the correct value instead of relying on fixed value
defined in a macro. But if vrefresh is still zero we should fail the
update.
Suggested-by: Daniel Stone <daniels@xxxxxxxxxxxxx>
Signed-off-by: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/exynos/exynos_drm_fimd.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 9819fa6..ea7da0e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -42,7 +42,6 @@
* CPU Interface.
*/
-#define FIMD_DEFAULT_FRAMERATE 60
#define MIN_FB_WIDTH_FOR_16WORD_BURST 128
/* position control register for hardware window 0, 2 ~ 4.*/
@@ -329,7 +328,9 @@ static bool fimd_mode_fixup(struct exynos_drm_crtc *crtc,
struct drm_display_mode *adjusted_mode)
{
if (adjusted_mode->vrefresh == 0)
- adjusted_mode->vrefresh = FIMD_DEFAULT_FRAMERATE;
+ adjusted_mode->vrefresh = drm_mode_vrefresh(mode);
+ if (adjusted_mode->vrefresh == 0)
+ return false;
return true;
}
--
2.1.0
--
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