[PATCH v2 02/23] drm/exynos: calculate vrefresh instead of use a fixed value

[Gustavo Padovan]

From: Gustavo Padovan <gustavo.padovan at collabora.co.uk>

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.

v2: fix comment by Joonyoung
	- assign vrefresh directly without checking for zero

Suggested-by: Daniel Stone <daniels at collabora.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan at collabora.co.uk>
---
 drivers/gpu/drm/exynos/exynos_drm_fimd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 794e56c..51b6a27 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -41,7 +41,6 @@
  * CPU Interface.
  */
 
-#define FIMD_DEFAULT_FRAMERATE 60
 #define MIN_FB_WIDTH_FOR_16WORD_BURST 128
 
 /* position control register for hardware window 0, 2 ~ 4.*/
@@ -379,8 +378,9 @@ static bool fimd_mode_fixup(struct exynos_drm_crtc *crtc,
 		const struct drm_display_mode *mode,
 		struct drm_display_mode *adjusted_mode)
 {
+	adjusted_mode->vrefresh = drm_mode_vrefresh(mode);
 	if (adjusted_mode->vrefresh == 0)
-		adjusted_mode->vrefresh = FIMD_DEFAULT_FRAMERATE;
+		return false;
 
 	return true;
 }
-- 
2.1.0