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drm/exynos: Implement mode_fixup manager operation

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This patch adds a new manager callback for mode_fixup and pipes it
through exynos_drm_crtc. This will allow the manager drivers to
alter the mode during modeset.

Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Sean Paul 2014-01-30 16:19:19 -05:00 committed by Inki Dae
parent cd706aa8df
commit 4b4052699a
2 changed files with 10 additions and 1 deletions
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7
drivers/gpu/drm/exynos/exynos_drm_crtc.c
View File

@ -105,7 +105,12 @@ exynos_drm_crtc_mode_fixup(struct drm_crtc *crtc,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
/* drm framework doesn't check NULL */
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
struct exynos_drm_manager *manager = exynos_crtc->manager;
if (manager->ops->mode_fixup)
return manager->ops->mode_fixup(manager, mode, adjusted_mode);
return true;
}

4
drivers/gpu/drm/exynos/exynos_drm_drv.h
View File

@ -184,6 +184,7 @@ struct exynos_drm_display {
* @initialize: initializes the manager with drm_dev
* @remove: cleans up the manager for removal
* @dpms: control device power.
* @mode_fixup: fix mode data before applying it
* @mode_set: set the given mode to the manager
* @commit: set current hw specific display mode to hw.
* @enable_vblank: specific driver callback for enabling vblank interrupt.
@ -201,6 +202,9 @@ struct exynos_drm_manager_ops {
struct drm_device *drm_dev, int pipe);
void (*remove)(struct exynos_drm_manager *mgr);
void (*dpms)(struct exynos_drm_manager *mgr, int mode);
bool (*mode_fixup)(struct exynos_drm_manager *mgr,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
void (*mode_set)(struct exynos_drm_manager *mgr,
const struct drm_display_mode *mode);
void (*commit)(struct exynos_drm_manager *mgr);