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Commit 63fb8989 authored by Inki Dae's avatar Inki Dae
Browse files

drm/exynos: added possible_clones setup function. 



basically, all crtcs are possible to clone each other.

Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
parent a04afc1d

drivers/gpu/drm/exynos/exynos_drm_core.c

+3 −0
Original line number Diff line number Diff line
@@ -193,6 +193,9 @@ int exynos_drm_subdrv_register(struct exynos_drm_subdrv *subdrv) 
			return err;

		}



		/* setup possible_clones. */

		exynos_drm_encoder_setup(drm_dev);



		/*

		 * if any specific driver such as fimd or hdmi driver called

		 * exynos_drm_subdrv_register() later than drm_load(),

drivers/gpu/drm/exynos/exynos_drm_drv.c

+4 −0
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ 


#include "exynos_drm_drv.h"

#include "exynos_drm_crtc.h"

#include "exynos_drm_encoder.h"

#include "exynos_drm_fbdev.h"

#include "exynos_drm_fb.h"

#include "exynos_drm_gem.h"
@@ -99,6 +100,9 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags) 
	if (ret)

		goto err_vblank;



	/* setup possible_clones. */

	exynos_drm_encoder_setup(dev);



	/*

	 * create and configure fb helper and also exynos specific

	 * fbdev object.

drivers/gpu/drm/exynos/exynos_drm_encoder.c

+34 −0
Original line number Diff line number Diff line
@@ -195,6 +195,40 @@ static struct drm_encoder_funcs exynos_encoder_funcs = { 
	.destroy = exynos_drm_encoder_destroy,

};



static unsigned int exynos_drm_encoder_clones(struct drm_encoder *encoder)

{

	struct drm_encoder *clone;

	struct drm_device *dev = encoder->dev;

	struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);

	struct exynos_drm_display_ops *display_ops =

				exynos_encoder->manager->display_ops;

	unsigned int clone_mask = 0;

	int cnt = 0;



	list_for_each_entry(clone, &dev->mode_config.encoder_list, head) {

		switch (display_ops->type) {

		case EXYNOS_DISPLAY_TYPE_LCD:

		case EXYNOS_DISPLAY_TYPE_HDMI:

			clone_mask |= (1 << (cnt++));

			break;

		default:

			continue;

		}

	}



	return clone_mask;

}



void exynos_drm_encoder_setup(struct drm_device *dev)

{

	struct drm_encoder *encoder;



	DRM_DEBUG_KMS("%s\n", __FILE__);



	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)

		encoder->possible_clones = exynos_drm_encoder_clones(encoder);

}



struct drm_encoder *

exynos_drm_encoder_create(struct drm_device *dev,

			   struct exynos_drm_manager *manager,

drivers/gpu/drm/exynos/exynos_drm_encoder.h

+1 −0
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@ 


struct exynos_drm_manager;



void exynos_drm_encoder_setup(struct drm_device *dev);

struct drm_encoder *exynos_drm_encoder_create(struct drm_device *dev,

					       struct exynos_drm_manager *mgr,

					       unsigned int possible_crtcs);