[PATCH v9 01/18] drm/exynos: fix source data argument for plane

Gustavo Padovan gustavo at padovan.org
Thu May 28 14:42:39 PDT 2015


From: Joonyoung Shim <jy0922.shim at samsung.com>

The exynos_update_plane function needs 16.16 fixed point source data.

Signed-off-by: Joonyoung Shim <jy0922.shim at samsung.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan at collabora.co.uk>
---
 drivers/gpu/drm/exynos/exynos_drm_crtc.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index 9006b94..363b019 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -127,7 +127,8 @@ static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
 	crtc_h = fb->height - y;
 
 	return exynos_update_plane(crtc->primary, crtc, fb, 0, 0,
-				   crtc_w, crtc_h, x, y, crtc_w, crtc_h);
+				   crtc_w, crtc_h, x << 16, y << 16,
+				   crtc_w << 16, crtc_h << 16);
 }
 
 static void exynos_drm_crtc_disable(struct drm_crtc *crtc)
@@ -202,8 +203,8 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc,
 	crtc_w = fb->width - crtc->x;
 	crtc_h = fb->height - crtc->y;
 	ret = exynos_update_plane(crtc->primary, crtc, fb, 0, 0,
-				  crtc_w, crtc_h, crtc->x, crtc->y,
-				  crtc_w, crtc_h);
+				  crtc_w, crtc_h, crtc->x << 16, crtc->y << 16,
+				  crtc_w << 16, crtc_h << 16);
 	if (ret) {
 		crtc->primary->fb = old_fb;
 		spin_lock_irq(&dev->event_lock);
-- 
2.1.0



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