diff options
| author |   Andrzej Hajda <a.hajda@samsung.com> | 2015-10-26 13:03:39 +0100 |
|---|---|---|
| committer |   Inki Dae <inki.dae@samsung.com> | 2015-11-03 11:46:37 +0900 |
| commit | 5625b3418a5bf977e3561bb12229d4c3e96b44d8 (patch) | |
| tree | 8c8ecdfe8ff40abae1cff0f933fd9cbdedadda1d /drivers | |
| parent | drm/exynos/decon5433: add support for DECON-TV (diff) | |
| download | linux-dev-5625b3418a5bf977e3561bb12229d4c3e96b44d8.tar.xz linux-dev-5625b3418a5bf977e3561bb12229d4c3e96b44d8.zip | |
drm/exynos: add atomic_check callback to exynos_crtc
Some CRTCs needs mode validation, this patch adds neccessary
callback to Exynos DRM framework. It is called from DRM core
via atomic_check helper for drm_crtc.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_crtc.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_drv.h | 3 |
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 50dec0df160f..b3ba27fd9a6b 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -50,6 +50,17 @@ exynos_drm_crtc_mode_set_nofb(struct drm_crtc *crtc) exynos_crtc->ops->commit(exynos_crtc); } +static int exynos_crtc_atomic_check(struct drm_crtc *crtc, + struct drm_crtc_state *state) +{ + struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); + + if (exynos_crtc->ops->atomic_check) + return exynos_crtc->ops->atomic_check(exynos_crtc, state); + + return 0; +} + static void exynos_crtc_atomic_begin(struct drm_crtc *crtc, struct drm_crtc_state *old_crtc_state) { @@ -86,6 +97,7 @@ static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = { .enable = exynos_drm_crtc_enable, .disable = exynos_drm_crtc_disable, .mode_set_nofb = exynos_drm_crtc_mode_set_nofb, + .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 638fc43079a8..f1eda7fa4e3c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -89,6 +89,7 @@ struct exynos_drm_plane { * @disable_vblank: specific driver callback for disabling vblank interrupt. * @wait_for_vblank: wait for vblank interrupt to make sure that * hardware overlay is updated. + * @atomic_check: validate state * @atomic_begin: prepare a window to receive a update * @atomic_flush: mark the end of a window update * @update_plane: apply hardware specific overlay data to registers. @@ -108,6 +109,8 @@ struct exynos_drm_crtc_ops { int (*enable_vblank)(struct exynos_drm_crtc *crtc); void (*disable_vblank)(struct exynos_drm_crtc *crtc); void (*wait_for_vblank)(struct exynos_drm_crtc *crtc); + int (*atomic_check)(struct exynos_drm_crtc *crtc, + struct drm_crtc_state *state); void (*atomic_begin)(struct exynos_drm_crtc *crtc, struct exynos_drm_plane *plane); void (*update_plane)(struct exynos_drm_crtc *crtc, |