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Commit 7db3eba6 authored by Seung-Woo Kim's avatar Seung-Woo Kim Committed by Inki Dae
Browse files

drm/exynos: added kms poll for handling hpd event 



this patch adds kms poll infrastructure to handle hotplug detection event

Signed-off-by: default avatarSeung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
parent d53dab3a

drivers/gpu/drm/exynos/exynos_drm_drv.c

+5 −0
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ 


#include "drmP.h"

#include "drm.h"

#include "drm_crtc_helper.h"



#include <drm/exynos_drm.h>
@@ -61,6 +62,9 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags) 


	drm_mode_config_init(dev);



	/* init kms poll for handling hpd */

	drm_kms_helper_poll_init(dev);



	exynos_drm_mode_config_init(dev);



	/*
@@ -116,6 +120,7 @@ static int exynos_drm_unload(struct drm_device *dev) 
	exynos_drm_fbdev_fini(dev);

	exynos_drm_device_unregister(dev);

	drm_vblank_cleanup(dev);

	drm_kms_helper_poll_fini(dev);

	drm_mode_config_cleanup(dev);

	kfree(dev->dev_private);

drivers/gpu/drm/exynos/exynos_drm_fb.c

+12 −0
Original line number Diff line number Diff line
@@ -29,7 +29,9 @@ 
#include "drmP.h"

#include "drm_crtc.h"

#include "drm_crtc_helper.h"

#include "drm_fb_helper.h"



#include "exynos_drm_drv.h"

#include "exynos_drm_fb.h"

#include "exynos_drm_buf.h"

#include "exynos_drm_gem.h"
@@ -238,8 +240,18 @@ struct exynos_drm_buf_entry *exynos_drm_fb_get_buf(struct drm_framebuffer *fb) 
	return entry;

}



static void exynos_drm_output_poll_changed(struct drm_device *dev)

{

	struct exynos_drm_private *private = dev->dev_private;

	struct drm_fb_helper *fb_helper = private->fb_helper;



	if (fb_helper)

		drm_fb_helper_hotplug_event(fb_helper);

}



static struct drm_mode_config_funcs exynos_drm_mode_config_funcs = {

	.fb_create = exynos_drm_fb_create,

	.output_poll_changed = exynos_drm_output_poll_changed,

};



void exynos_drm_mode_config_init(struct drm_device *dev)