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Commit 9433bd67 authored by Daniel Vetter's avatar Daniel Vetter
Browse files

drm/fsl-du: Implement some semblance of vblank event handling 



No idea how exactly fsl-du commits hw state changes, but here in flush
is probably the safest place.

While at it nuke the dummy functions.

v2: Be more robust and either arm, when the CRTC is on, or just send
the event out right away.

Cc: Stefan Agner <stefan@agner.ch>
Reviewed-by: default avatarMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465388359-8070-4-git-send-email-daniel.vetter@ffwll.ch
parent ed4f8856

drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c

+11 −12
Original line number Original line Diff line number Diff line
@@ -22,20 +22,21 @@ 
#include "fsl_dcu_drm_drv.h"

#include "fsl_dcu_drm_drv.h"

#include "fsl_dcu_drm_plane.h"

#include "fsl_dcu_drm_plane.h"





static void fsl_dcu_drm_crtc_atomic_begin(struct drm_crtc *crtc,

static void fsl_dcu_drm_crtc_atomic_flush(struct drm_crtc *crtc,

					  struct drm_crtc_state *old_crtc_state)

					  struct drm_crtc_state *old_crtc_state)

{

{

}

	struct drm_pending_vblank_event *event = crtc->state->event;





static int fsl_dcu_drm_crtc_atomic_check(struct drm_crtc *crtc,

	if (event) {

					 struct drm_crtc_state *state)

		crtc->state->event = NULL;

{

	return 0;

}





static void fsl_dcu_drm_crtc_atomic_flush(struct drm_crtc *crtc,

		spin_lock_irq(&crtc->dev->event_lock);

					  struct drm_crtc_state *old_crtc_state)

		if (drm_crtc_vblank_get(crtc) == 0)

{

			drm_crtc_arm_vblank_event(crtc, event);

		else

			drm_crtc_send_vblank_event(crtc, event);

		spin_unlock_irq(&crtc->dev->event_lock);

	}

}

}





static void fsl_dcu_drm_disable_crtc(struct drm_crtc *crtc)

static void fsl_dcu_drm_disable_crtc(struct drm_crtc *crtc)
@@ -117,8 +118,6 @@ static void fsl_dcu_drm_crtc_mode_set_nofb(struct drm_crtc *crtc) 
}

}





static const struct drm_crtc_helper_funcs fsl_dcu_drm_crtc_helper_funcs = {

static const struct drm_crtc_helper_funcs fsl_dcu_drm_crtc_helper_funcs = {

	.atomic_begin = fsl_dcu_drm_crtc_atomic_begin,

	.atomic_check = fsl_dcu_drm_crtc_atomic_check,

	.atomic_flush = fsl_dcu_drm_crtc_atomic_flush,

	.atomic_flush = fsl_dcu_drm_crtc_atomic_flush,

	.disable = fsl_dcu_drm_disable_crtc,

	.disable = fsl_dcu_drm_disable_crtc,

	.enable = fsl_dcu_drm_crtc_enable,

	.enable = fsl_dcu_drm_crtc_enable,