disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/gpu/drm/gma500/psb_intel_display.c
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@@ -1,33 +1,22 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright © 2006-2011 Intel Corporation
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms and conditions of the GNU General Public License,
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- * version 2, as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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- * You should have received a copy of the GNU General Public License along with
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- * this program; if not, write to the Free Software Foundation, Inc.,
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- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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  *
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  * Authors:
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  *	Eric Anholt <eric@anholt.net>
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  */
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+#include <linux/delay.h>
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 #include <linux/i2c.h>
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-#include <drm/drmP.h>
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 #include <drm/drm_plane_helper.h>
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+
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 #include "framebuffer.h"
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+#include "gma_display.h"
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+#include "power.h"
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 #include "psb_drv.h"
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 #include "psb_intel_drv.h"
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 #include "psb_intel_reg.h"
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-#include "gma_display.h"
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-#include "power.h"
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 #define INTEL_LIMIT_I9XX_SDVO_DAC   0
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 #define INTEL_LIMIT_I9XX_LVDS	    1
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@@ -443,6 +432,10 @@
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 	.gamma_set = gma_crtc_gamma_set,
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 	.set_config = gma_crtc_set_config,
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 	.destroy = gma_crtc_destroy,
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+	.page_flip = gma_crtc_page_flip,
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+	.enable_vblank = psb_enable_vblank,
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+	.disable_vblank = psb_disable_vblank,
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+	.get_vblank_counter = psb_get_vblank_counter,
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 };
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 const struct gma_clock_funcs psb_clock_funcs = {
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@@ -543,14 +536,15 @@
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 struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev, int pipe)
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 {
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-	struct drm_crtc *crtc = NULL;
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+	struct drm_crtc *crtc;
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 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
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 		struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
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+
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 		if (gma_crtc->pipe == pipe)
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-			break;
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+			return crtc;
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 	}
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-	return crtc;
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+	return NULL;
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 }
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 int gma_connector_clones(struct drm_device *dev, int type_mask)