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Commit ab209c32 authored by Egbert Eich's avatar Egbert Eich Committed by Dave Airlie
Browse files

drm/ast: Add an crtc_disable callback to the crtc helper funcs 



Implement the proper CRTC disablement, just like done in mgag200
driver.

Signed-off-by: default avatarEgbert Eich <eich@suse.de>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent b2d44e23

drivers/gpu/drm/ast/ast_mode.c

+16 −0
Original line number Diff line number Diff line
@@ -613,7 +613,23 @@ static int ast_crtc_mode_set(struct drm_crtc *crtc, 


static void ast_crtc_disable(struct drm_crtc *crtc)

{

	int ret;



	DRM_DEBUG_KMS("\n");

	ast_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);

	if (crtc->primary->fb) {

		struct ast_framebuffer *ast_fb = to_ast_framebuffer(crtc->primary->fb);

		struct drm_gem_object *obj = ast_fb->obj;

		struct ast_bo *bo = gem_to_ast_bo(obj);



		ret = ast_bo_reserve(bo, false);

		if (ret)

			return;



		ast_bo_push_sysram(bo);

		ast_bo_unreserve(bo);

	}

	crtc->primary->fb = NULL;

}



static void ast_crtc_prepare(struct drm_crtc *crtc)