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| author | Andrzej Hajda <a.hajda@samsung.com> | 2017-09-29 13:05:38 +0300 |
|---|---|---|
| committer | Inki Dae <inki.dae@samsung.com> | 2017-10-26 03:06:33 +0300 |
| commit | 2466db97e39d5479bb44a09a56ca85043d3d3997 (patch) | |
| tree | c740baf1822b74efef0a59ad765035e74472a88f /drivers/gpu/drm/exynos | |
| parent | 991ea04e2cf4a9705462ec2fe878e385feb48d73 (diff) | |
| download | linux-2466db97e39d5479bb44a09a56ca85043d3d3997.tar.xz | |
drm/exynos: add mode_fixup callback to exynos_drm_crtc_ops
crtc::mode_fixup callback is required by crtcs which internally use
a different mode than requested by user - case of Exynos Mixer.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_crtc.c | 15 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_drv.h | 3 |
2 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index 6ce0821590df..dc01342e759a 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -95,8 +95,23 @@ static enum drm_mode_status exynos_crtc_mode_valid(struct drm_crtc *crtc, return MODE_OK; } +static bool exynos_crtc_mode_fixup(struct drm_crtc *crtc, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); + + if (exynos_crtc->ops->mode_fixup) + return exynos_crtc->ops->mode_fixup(exynos_crtc, mode, + adjusted_mode); + + return true; +} + + static const struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = { .mode_valid = exynos_crtc_mode_valid, + .mode_fixup = exynos_crtc_mode_fixup, .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 f8bae4cb4823..c6847fa708fa 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -136,6 +136,9 @@ struct exynos_drm_crtc_ops { 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); + bool (*mode_fixup)(struct exynos_drm_crtc *crtc, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode); int (*atomic_check)(struct exynos_drm_crtc *crtc, struct drm_crtc_state *state); void (*atomic_begin)(struct exynos_drm_crtc *crtc); |