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authorAndrzej Hajda <a.hajda@samsung.com>2017-08-24 16:33:56 +0300
committerInki Dae <inki.dae@samsung.com>2017-08-25 05:58:07 +0300
commitc3653fede57f301a134b56c4bf62ac92780d5059 (patch)
treeac1f14a58b845eef4989665ab259270a3e5a6ab2 /drivers/gpu/drm
parent34c3db6c22a0c770c6c9a4c4e6462ee4baa64b30 (diff)
downloadlinux-c3653fede57f301a134b56c4bf62ac92780d5059.tar.xz
drm/exynos: add mode_valid callback to exynos_drm
crtc::mode_valid callback is required to implement proper pipeline validation for command/video modes. Since Exynos uses private framework such callback should be added to it. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_crtc.c12
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_drv.h3
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index ac544de73c82..6ce0821590df 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -84,7 +84,19 @@ static void exynos_crtc_atomic_flush(struct drm_crtc *crtc,
exynos_crtc->ops->atomic_flush(exynos_crtc);
}
+static enum drm_mode_status exynos_crtc_mode_valid(struct drm_crtc *crtc,
+ const struct drm_display_mode *mode)
+{
+ struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+
+ if (exynos_crtc->ops->mode_valid)
+ return exynos_crtc->ops->mode_valid(exynos_crtc, mode);
+
+ return MODE_OK;
+}
+
static const struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = {
+ .mode_valid = exynos_crtc_mode_valid,
.atomic_check = exynos_crtc_atomic_check,
.atomic_begin = exynos_crtc_atomic_begin,
.atomic_flush = exynos_crtc_atomic_flush,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 9e77809135f0..d53435b68ae6 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -117,6 +117,7 @@ struct exynos_drm_plane_config {
* @disable: disable the device
* @enable_vblank: specific driver callback for enabling vblank interrupt.
* @disable_vblank: specific driver callback for disabling vblank interrupt.
+ * @mode_valid: specific driver callback for mode validation
* @atomic_check: validate state
* @atomic_begin: prepare device to receive an update
* @atomic_flush: mark the end of device update
@@ -132,6 +133,8 @@ struct exynos_drm_crtc_ops {
int (*enable_vblank)(struct exynos_drm_crtc *crtc);
void (*disable_vblank)(struct exynos_drm_crtc *crtc);
u32 (*get_vblank_counter)(struct exynos_drm_crtc *crtc);
+ enum drm_mode_status (*mode_valid)(struct exynos_drm_crtc *crtc,
+ const struct drm_display_mode *mode);
int (*atomic_check)(struct exynos_drm_crtc *crtc,
struct drm_crtc_state *state);
void (*atomic_begin)(struct exynos_drm_crtc *crtc);