evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

drm/exynos: add atomic_check callback to exynos_crtc

Browse source 
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>
This commit is contained in:
Andrzej Hajda 2015-10-26 13:03:39 +01:00 • committed by Inki Dae
parent b8182832c5
commit 5625b3418a
2 changed files with 15 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
drivers/gpu/drm/exynos/exynos_drm_crtc.c
View file

@ -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,
};

3
drivers/gpu/drm/exynos/exynos_drm_drv.h
View file

@ -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,