diff options
| author | Gustavo Padovan <gustavo.padovan@collabora.co.uk> | 2014-11-27 14:56:09 -0200 |
|---|---|---|
| committer | Inki Dae <daeinki@gmail.com> | 2015-01-25 21:28:08 +0900 |
| commit | adf5691c333620560fb90f2c551a42da8ed14f15 (patch) | |
| tree | 21746bfd43b37a9c36b621c6ec2a901ab86e9fb1 /drivers/gpu/drm/exynos/exynos_drm_crtc.c | |
| parent | dc81252ff50d7ededc3dfd2c8236efb5c110a14e (diff) | |
| download | linux-adf5691c333620560fb90f2c551a42da8ed14f15.tar.gz linux-adf5691c333620560fb90f2c551a42da8ed14f15.tar.xz | |
drm/exynos: create exynos_check_plane()
Split update plane in two parts, an initial check part that can fail
and the update part that can't fail.
This is a important step for the upcoming atomic modesetting support.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index 357fcd59aa48..a85c451ba392 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -92,6 +92,7 @@ exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, struct drm_framebuffer *fb = crtc->primary->fb; unsigned int crtc_w; unsigned int crtc_h; + int ret; /* * copy the mode data adjusted by mode_fixup() into crtc->mode @@ -99,10 +100,16 @@ exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, */ memcpy(&crtc->mode, adjusted_mode, sizeof(*adjusted_mode)); + ret = exynos_check_plane(crtc->primary, fb); + if (ret < 0) + return ret; + crtc_w = fb->width - x; crtc_h = fb->height - y; - return exynos_plane_mode_set(crtc->primary, crtc, fb, 0, 0, - crtc_w, crtc_h, x, y, crtc_w, crtc_h); + exynos_plane_mode_set(crtc->primary, crtc, fb, 0, 0, + crtc_w, crtc_h, x, y, crtc_w, crtc_h); + + return 0; } static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, |