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authorGustavo Padovan <gustavo.padovan@collabora.co.uk>2015-06-01 12:04:41 -0300
committerInki Dae <daeinki@gmail.com>2015-06-20 00:32:44 +0900
commit43dbdad2a9a6c64e3ce8339107d8666006ca2b5d (patch)
tree060aff5a3152243ea3876623cc50899630606b31 /drivers/gpu/drm/exynos/exynos_drm_crtc.c
parentafaf848dc74c61463faac14a32e53bcc68b377c8 (diff)
downloadlinux-43dbdad2a9a6c64e3ce8339107d8666006ca2b5d.tar.gz
linux-43dbdad2a9a6c64e3ce8339107d8666006ca2b5d.tar.xz
drm/exynos: atomic phase 1: use drm_plane_helper_update()
Rip out the check from exynos_update_plane() and create exynos_check_plane() for the check phase enabling use to use the atomic helpers to call our check and update phases when updating planes. Update all users of exynos_update_plane() accordingly to call exynos_check_plane() before. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com> Tested-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>y Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_crtc.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_crtc.c31
1 files changed, 16 insertions, 15 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index 363b0193d580..ba44c9b490ec 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -116,6 +116,7 @@ static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
struct drm_framebuffer *fb = crtc->primary->fb;
unsigned int crtc_w;
unsigned int crtc_h;
+ int ret;
/* when framebuffer changing is requested, crtc's dpms should be on */
if (exynos_crtc->dpms > DRM_MODE_DPMS_ON) {
@@ -123,12 +124,17 @@ static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
return -EPERM;
}
+ ret = exynos_check_plane(crtc->primary, fb);
+ if (ret)
+ return ret;
+
crtc_w = fb->width - x;
crtc_h = fb->height - y;
+ exynos_update_plane(crtc->primary, crtc, fb, 0, 0,
+ crtc_w, crtc_h, x << 16, y << 16,
+ crtc_w << 16, crtc_h << 16);
- return exynos_update_plane(crtc->primary, crtc, fb, 0, 0,
- crtc_w, crtc_h, x << 16, y << 16,
- crtc_w << 16, crtc_h << 16);
+ return 0;
}
static void exynos_drm_crtc_disable(struct drm_crtc *crtc)
@@ -165,7 +171,6 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc,
{
struct drm_device *dev = crtc->dev;
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
- struct drm_framebuffer *old_fb = crtc->primary->fb;
unsigned int crtc_w, crtc_h;
int ret;
@@ -184,6 +189,10 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc,
goto out;
}
+ ret = exynos_check_plane(crtc->primary, fb);
+ if (ret)
+ goto out;
+
ret = drm_vblank_get(dev, exynos_crtc->pipe);
if (ret) {
DRM_DEBUG("failed to acquire vblank counter\n");
@@ -202,17 +211,9 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc,
crtc->primary->fb = fb;
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 << 16, crtc->y << 16,
- crtc_w << 16, crtc_h << 16);
- if (ret) {
- crtc->primary->fb = old_fb;
- spin_lock_irq(&dev->event_lock);
- exynos_crtc->event = NULL;
- drm_vblank_put(dev, exynos_crtc->pipe);
- spin_unlock_irq(&dev->event_lock);
- return ret;
- }
+ exynos_update_plane(crtc->primary, crtc, fb, 0, 0,
+ crtc_w, crtc_h, crtc->x << 16, crtc->y << 16,
+ crtc_w << 16, crtc_h << 16);
return 0;