2008-11-07 15:05:41 -07:00
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/*
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* The list_sort function is (presumably) licensed under the GPL (see the
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* top level "COPYING" file for details).
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*
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* The remainder of this file is:
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*
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* Copyright © 1997-2003 by The XFree86 Project, Inc.
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* Copyright © 2007 Dave Airlie
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* Copyright © 2007-2008 Intel Corporation
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* Jesse Barnes <jesse.barnes@intel.com>
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2009-06-21 23:17:08 -06:00
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* Copyright 2005-2006 Luc Verhaegen
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2009-06-21 23:17:09 -06:00
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* Copyright (c) 2001, Andy Ritger aritger@nvidia.com
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2008-11-07 15:05:41 -07:00
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of the copyright holder(s)
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* and author(s) shall not be used in advertising or otherwise to promote
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* the sale, use or other dealings in this Software without prior written
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* authorization from the copyright holder(s) and author(s).
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*/
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#include <linux/list.h>
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#include "drmP.h"
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#include "drm.h"
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#include "drm_crtc.h"
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/**
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* drm_mode_debug_printmodeline - debug print a mode
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* @dev: DRM device
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* @mode: mode to print
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*
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* LOCKING:
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* None.
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*
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* Describe @mode using DRM_DEBUG.
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*/
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void drm_mode_debug_printmodeline(struct drm_display_mode *mode)
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{
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2009-07-19 23:48:05 -06:00
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DRM_DEBUG_KMS("Modeline %d:\"%s\" %d %d %d %d %d %d %d %d %d %d "
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2009-07-19 23:48:04 -06:00
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"0x%x 0x%x\n",
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2009-06-02 00:12:47 -06:00
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mode->base.id, mode->name, mode->vrefresh, mode->clock,
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mode->hdisplay, mode->hsync_start,
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mode->hsync_end, mode->htotal,
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mode->vdisplay, mode->vsync_start,
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mode->vsync_end, mode->vtotal, mode->type, mode->flags);
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2008-11-07 15:05:41 -07:00
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}
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EXPORT_SYMBOL(drm_mode_debug_printmodeline);
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2009-06-21 23:17:08 -06:00
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/**
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* drm_cvt_mode -create a modeline based on CVT algorithm
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* @dev: DRM device
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* @hdisplay: hdisplay size
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* @vdisplay: vdisplay size
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* @vrefresh : vrefresh rate
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* @reduced : Whether the GTF calculation is simplified
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* @interlaced:Whether the interlace is supported
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*
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* LOCKING:
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* none.
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*
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* return the modeline based on CVT algorithm
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*
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* This function is called to generate the modeline based on CVT algorithm
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* according to the hdisplay, vdisplay, vrefresh.
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* It is based from the VESA(TM) Coordinated Video Timing Generator by
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* Graham Loveridge April 9, 2003 available at
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* http://www.vesa.org/public/CVT/CVTd6r1.xls
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*
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* And it is copied from xf86CVTmode in xserver/hw/xfree86/modes/xf86cvt.c.
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* What I have done is to translate it by using integer calculation.
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*/
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#define HV_FACTOR 1000
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struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, int hdisplay,
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int vdisplay, int vrefresh,
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drm/kms: start adding command line interface using fb.
[note this requires an fb patch posted to linux-fbdev-devel already]
This uses the normal video= command line option to control the kms
output setup at boot time. It is used to override the autodetection
done by kms.
video= normally takes a framebuffer as the first parameter, in kms
it will take a connector name, DVI-I-1, or LVDS-1 etc. If no output
connector is specified the mode string will apply to all connectors.
The mode specification used will match down the probed modes, and if
no mode is found it will add a CVT mode that matches.
video=1024x768 - all connectors match a 1024x768 mode or add a CVT on
video=VGA-1:1024x768, VGA-1 connector gets mode only.
The same strings as used in current fb modedb.c are used, except I've
added three more letters, e, D, d, e = enable, D = enable Digital,
d = disable, which allow a connector to be forced into a certain state.
Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-09-22 22:44:08 -06:00
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bool reduced, bool interlaced, bool margins)
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2009-06-21 23:17:08 -06:00
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{
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/* 1) top/bottom margin size (% of height) - default: 1.8, */
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#define CVT_MARGIN_PERCENTAGE 18
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/* 2) character cell horizontal granularity (pixels) - default 8 */
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#define CVT_H_GRANULARITY 8
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/* 3) Minimum vertical porch (lines) - default 3 */
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#define CVT_MIN_V_PORCH 3
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/* 4) Minimum number of vertical back porch lines - default 6 */
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#define CVT_MIN_V_BPORCH 6
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/* Pixel Clock step (kHz) */
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#define CVT_CLOCK_STEP 250
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struct drm_display_mode *drm_mode;
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unsigned int vfieldrate, hperiod;
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int hdisplay_rnd, hmargin, vdisplay_rnd, vmargin, vsync;
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int interlace;
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/* allocate the drm_display_mode structure. If failure, we will
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* return directly
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*/
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drm_mode = drm_mode_create(dev);
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if (!drm_mode)
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return NULL;
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/* the CVT default refresh rate is 60Hz */
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if (!vrefresh)
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vrefresh = 60;
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/* the required field fresh rate */
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if (interlaced)
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vfieldrate = vrefresh * 2;
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else
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vfieldrate = vrefresh;
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/* horizontal pixels */
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hdisplay_rnd = hdisplay - (hdisplay % CVT_H_GRANULARITY);
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/* determine the left&right borders */
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hmargin = 0;
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if (margins) {
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hmargin = hdisplay_rnd * CVT_MARGIN_PERCENTAGE / 1000;
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hmargin -= hmargin % CVT_H_GRANULARITY;
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}
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/* find the total active pixels */
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drm_mode->hdisplay = hdisplay_rnd + 2 * hmargin;
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/* find the number of lines per field */
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if (interlaced)
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vdisplay_rnd = vdisplay / 2;
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else
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vdisplay_rnd = vdisplay;
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/* find the top & bottom borders */
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vmargin = 0;
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if (margins)
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vmargin = vdisplay_rnd * CVT_MARGIN_PERCENTAGE / 1000;
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2009-08-11 18:30:09 -06:00
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drm_mode->vdisplay = vdisplay + 2 * vmargin;
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2009-06-21 23:17:08 -06:00
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/* Interlaced */
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if (interlaced)
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interlace = 1;
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else
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interlace = 0;
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/* Determine VSync Width from aspect ratio */
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if (!(vdisplay % 3) && ((vdisplay * 4 / 3) == hdisplay))
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vsync = 4;
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else if (!(vdisplay % 9) && ((vdisplay * 16 / 9) == hdisplay))
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vsync = 5;
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else if (!(vdisplay % 10) && ((vdisplay * 16 / 10) == hdisplay))
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vsync = 6;
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else if (!(vdisplay % 4) && ((vdisplay * 5 / 4) == hdisplay))
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vsync = 7;
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else if (!(vdisplay % 9) && ((vdisplay * 15 / 9) == hdisplay))
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vsync = 7;
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else /* custom */
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vsync = 10;
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if (!reduced) {
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/* simplify the GTF calculation */
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/* 4) Minimum time of vertical sync + back porch interval (µs)
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* default 550.0
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*/
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int tmp1, tmp2;
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#define CVT_MIN_VSYNC_BP 550
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/* 3) Nominal HSync width (% of line period) - default 8 */
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#define CVT_HSYNC_PERCENTAGE 8
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unsigned int hblank_percentage;
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int vsyncandback_porch, vback_porch, hblank;
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/* estimated the horizontal period */
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tmp1 = HV_FACTOR * 1000000 -
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CVT_MIN_VSYNC_BP * HV_FACTOR * vfieldrate;
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tmp2 = (vdisplay_rnd + 2 * vmargin + CVT_MIN_V_PORCH) * 2 +
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interlace;
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hperiod = tmp1 * 2 / (tmp2 * vfieldrate);
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tmp1 = CVT_MIN_VSYNC_BP * HV_FACTOR / hperiod + 1;
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/* 9. Find number of lines in sync + backporch */
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if (tmp1 < (vsync + CVT_MIN_V_PORCH))
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vsyncandback_porch = vsync + CVT_MIN_V_PORCH;
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else
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vsyncandback_porch = tmp1;
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/* 10. Find number of lines in back porch */
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vback_porch = vsyncandback_porch - vsync;
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drm_mode->vtotal = vdisplay_rnd + 2 * vmargin +
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vsyncandback_porch + CVT_MIN_V_PORCH;
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/* 5) Definition of Horizontal blanking time limitation */
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/* Gradient (%/kHz) - default 600 */
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#define CVT_M_FACTOR 600
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/* Offset (%) - default 40 */
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#define CVT_C_FACTOR 40
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/* Blanking time scaling factor - default 128 */
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#define CVT_K_FACTOR 128
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/* Scaling factor weighting - default 20 */
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#define CVT_J_FACTOR 20
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#define CVT_M_PRIME (CVT_M_FACTOR * CVT_K_FACTOR / 256)
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#define CVT_C_PRIME ((CVT_C_FACTOR - CVT_J_FACTOR) * CVT_K_FACTOR / 256 + \
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CVT_J_FACTOR)
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/* 12. Find ideal blanking duty cycle from formula */
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hblank_percentage = CVT_C_PRIME * HV_FACTOR - CVT_M_PRIME *
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hperiod / 1000;
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/* 13. Blanking time */
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if (hblank_percentage < 20 * HV_FACTOR)
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hblank_percentage = 20 * HV_FACTOR;
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hblank = drm_mode->hdisplay * hblank_percentage /
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(100 * HV_FACTOR - hblank_percentage);
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hblank -= hblank % (2 * CVT_H_GRANULARITY);
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/* 14. find the total pixes per line */
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drm_mode->htotal = drm_mode->hdisplay + hblank;
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drm_mode->hsync_end = drm_mode->hdisplay + hblank / 2;
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drm_mode->hsync_start = drm_mode->hsync_end -
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(drm_mode->htotal * CVT_HSYNC_PERCENTAGE) / 100;
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drm_mode->hsync_start += CVT_H_GRANULARITY -
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drm_mode->hsync_start % CVT_H_GRANULARITY;
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/* fill the Vsync values */
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drm_mode->vsync_start = drm_mode->vdisplay + CVT_MIN_V_PORCH;
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drm_mode->vsync_end = drm_mode->vsync_start + vsync;
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} else {
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/* Reduced blanking */
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/* Minimum vertical blanking interval time (µs)- default 460 */
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#define CVT_RB_MIN_VBLANK 460
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/* Fixed number of clocks for horizontal sync */
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#define CVT_RB_H_SYNC 32
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/* Fixed number of clocks for horizontal blanking */
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#define CVT_RB_H_BLANK 160
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/* Fixed number of lines for vertical front porch - default 3*/
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#define CVT_RB_VFPORCH 3
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int vbilines;
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int tmp1, tmp2;
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/* 8. Estimate Horizontal period. */
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tmp1 = HV_FACTOR * 1000000 -
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CVT_RB_MIN_VBLANK * HV_FACTOR * vfieldrate;
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tmp2 = vdisplay_rnd + 2 * vmargin;
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hperiod = tmp1 / (tmp2 * vfieldrate);
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/* 9. Find number of lines in vertical blanking */
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vbilines = CVT_RB_MIN_VBLANK * HV_FACTOR / hperiod + 1;
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/* 10. Check if vertical blanking is sufficient */
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if (vbilines < (CVT_RB_VFPORCH + vsync + CVT_MIN_V_BPORCH))
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vbilines = CVT_RB_VFPORCH + vsync + CVT_MIN_V_BPORCH;
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/* 11. Find total number of lines in vertical field */
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drm_mode->vtotal = vdisplay_rnd + 2 * vmargin + vbilines;
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/* 12. Find total number of pixels in a line */
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drm_mode->htotal = drm_mode->hdisplay + CVT_RB_H_BLANK;
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/* Fill in HSync values */
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drm_mode->hsync_end = drm_mode->hdisplay + CVT_RB_H_BLANK / 2;
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drm_mode->hsync_start = drm_mode->hsync_end = CVT_RB_H_SYNC;
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}
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/* 15/13. Find pixel clock frequency (kHz for xf86) */
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drm_mode->clock = drm_mode->htotal * HV_FACTOR * 1000 / hperiod;
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drm_mode->clock -= drm_mode->clock % CVT_CLOCK_STEP;
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/* 18/16. Find actual vertical frame frequency */
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/* ignore - just set the mode flag for interlaced */
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if (interlaced)
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drm_mode->vtotal *= 2;
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/* Fill the mode line name */
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drm_mode_set_name(drm_mode);
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if (reduced)
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drm_mode->flags |= (DRM_MODE_FLAG_PHSYNC |
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DRM_MODE_FLAG_NVSYNC);
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else
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drm_mode->flags |= (DRM_MODE_FLAG_PVSYNC |
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DRM_MODE_FLAG_NHSYNC);
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if (interlaced)
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drm_mode->flags |= DRM_MODE_FLAG_INTERLACE;
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return drm_mode;
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}
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EXPORT_SYMBOL(drm_cvt_mode);
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|
2009-06-21 23:17:09 -06:00
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/**
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* drm_gtf_mode - create the modeline based on GTF algorithm
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*
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* @dev :drm device
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* @hdisplay :hdisplay size
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* @vdisplay :vdisplay size
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* @vrefresh :vrefresh rate.
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* @interlaced :whether the interlace is supported
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* @margins :whether the margin is supported
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*
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* LOCKING.
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* none.
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*
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* return the modeline based on GTF algorithm
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*
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* This function is to create the modeline based on the GTF algorithm.
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* Generalized Timing Formula is derived from:
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* GTF Spreadsheet by Andy Morrish (1/5/97)
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* available at http://www.vesa.org
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*
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* And it is copied from the file of xserver/hw/xfree86/modes/xf86gtf.c.
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* What I have done is to translate it by using integer calculation.
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* I also refer to the function of fb_get_mode in the file of
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* drivers/video/fbmon.c
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*/
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struct drm_display_mode *drm_gtf_mode(struct drm_device *dev, int hdisplay,
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|
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int vdisplay, int vrefresh,
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|
|
bool interlaced, int margins)
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{
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|
|
/* 1) top/bottom margin size (% of height) - default: 1.8, */
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|
|
|
#define GTF_MARGIN_PERCENTAGE 18
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|
|
/* 2) character cell horizontal granularity (pixels) - default 8 */
|
|
|
|
#define GTF_CELL_GRAN 8
|
|
|
|
/* 3) Minimum vertical porch (lines) - default 3 */
|
|
|
|
#define GTF_MIN_V_PORCH 1
|
|
|
|
/* width of vsync in lines */
|
|
|
|
#define V_SYNC_RQD 3
|
|
|
|
/* width of hsync as % of total line */
|
|
|
|
#define H_SYNC_PERCENT 8
|
|
|
|
/* min time of vsync + back porch (microsec) */
|
|
|
|
#define MIN_VSYNC_PLUS_BP 550
|
|
|
|
/* blanking formula gradient */
|
|
|
|
#define GTF_M 600
|
|
|
|
/* blanking formula offset */
|
|
|
|
#define GTF_C 40
|
|
|
|
/* blanking formula scaling factor */
|
|
|
|
#define GTF_K 128
|
|
|
|
/* blanking formula scaling factor */
|
|
|
|
#define GTF_J 20
|
|
|
|
/* C' and M' are part of the Blanking Duty Cycle computation */
|
|
|
|
#define GTF_C_PRIME (((GTF_C - GTF_J) * GTF_K / 256) + GTF_J)
|
|
|
|
#define GTF_M_PRIME (GTF_K * GTF_M / 256)
|
|
|
|
struct drm_display_mode *drm_mode;
|
|
|
|
unsigned int hdisplay_rnd, vdisplay_rnd, vfieldrate_rqd;
|
|
|
|
int top_margin, bottom_margin;
|
|
|
|
int interlace;
|
|
|
|
unsigned int hfreq_est;
|
|
|
|
int vsync_plus_bp, vback_porch;
|
|
|
|
unsigned int vtotal_lines, vfieldrate_est, hperiod;
|
|
|
|
unsigned int vfield_rate, vframe_rate;
|
|
|
|
int left_margin, right_margin;
|
|
|
|
unsigned int total_active_pixels, ideal_duty_cycle;
|
|
|
|
unsigned int hblank, total_pixels, pixel_freq;
|
|
|
|
int hsync, hfront_porch, vodd_front_porch_lines;
|
|
|
|
unsigned int tmp1, tmp2;
|
|
|
|
|
|
|
|
drm_mode = drm_mode_create(dev);
|
|
|
|
if (!drm_mode)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
/* 1. In order to give correct results, the number of horizontal
|
|
|
|
* pixels requested is first processed to ensure that it is divisible
|
|
|
|
* by the character size, by rounding it to the nearest character
|
|
|
|
* cell boundary:
|
|
|
|
*/
|
|
|
|
hdisplay_rnd = (hdisplay + GTF_CELL_GRAN / 2) / GTF_CELL_GRAN;
|
|
|
|
hdisplay_rnd = hdisplay_rnd * GTF_CELL_GRAN;
|
|
|
|
|
|
|
|
/* 2. If interlace is requested, the number of vertical lines assumed
|
|
|
|
* by the calculation must be halved, as the computation calculates
|
|
|
|
* the number of vertical lines per field.
|
|
|
|
*/
|
|
|
|
if (interlaced)
|
|
|
|
vdisplay_rnd = vdisplay / 2;
|
|
|
|
else
|
|
|
|
vdisplay_rnd = vdisplay;
|
|
|
|
|
|
|
|
/* 3. Find the frame rate required: */
|
|
|
|
if (interlaced)
|
|
|
|
vfieldrate_rqd = vrefresh * 2;
|
|
|
|
else
|
|
|
|
vfieldrate_rqd = vrefresh;
|
|
|
|
|
|
|
|
/* 4. Find number of lines in Top margin: */
|
|
|
|
top_margin = 0;
|
|
|
|
if (margins)
|
|
|
|
top_margin = (vdisplay_rnd * GTF_MARGIN_PERCENTAGE + 500) /
|
|
|
|
1000;
|
|
|
|
/* 5. Find number of lines in bottom margin: */
|
|
|
|
bottom_margin = top_margin;
|
|
|
|
|
|
|
|
/* 6. If interlace is required, then set variable interlace: */
|
|
|
|
if (interlaced)
|
|
|
|
interlace = 1;
|
|
|
|
else
|
|
|
|
interlace = 0;
|
|
|
|
|
|
|
|
/* 7. Estimate the Horizontal frequency */
|
|
|
|
{
|
|
|
|
tmp1 = (1000000 - MIN_VSYNC_PLUS_BP * vfieldrate_rqd) / 500;
|
|
|
|
tmp2 = (vdisplay_rnd + 2 * top_margin + GTF_MIN_V_PORCH) *
|
|
|
|
2 + interlace;
|
|
|
|
hfreq_est = (tmp2 * 1000 * vfieldrate_rqd) / tmp1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* 8. Find the number of lines in V sync + back porch */
|
|
|
|
/* [V SYNC+BP] = RINT(([MIN VSYNC+BP] * hfreq_est / 1000000)) */
|
|
|
|
vsync_plus_bp = MIN_VSYNC_PLUS_BP * hfreq_est / 1000;
|
|
|
|
vsync_plus_bp = (vsync_plus_bp + 500) / 1000;
|
|
|
|
/* 9. Find the number of lines in V back porch alone: */
|
|
|
|
vback_porch = vsync_plus_bp - V_SYNC_RQD;
|
|
|
|
/* 10. Find the total number of lines in Vertical field period: */
|
|
|
|
vtotal_lines = vdisplay_rnd + top_margin + bottom_margin +
|
|
|
|
vsync_plus_bp + GTF_MIN_V_PORCH;
|
|
|
|
/* 11. Estimate the Vertical field frequency: */
|
|
|
|
vfieldrate_est = hfreq_est / vtotal_lines;
|
|
|
|
/* 12. Find the actual horizontal period: */
|
|
|
|
hperiod = 1000000 / (vfieldrate_rqd * vtotal_lines);
|
|
|
|
|
|
|
|
/* 13. Find the actual Vertical field frequency: */
|
|
|
|
vfield_rate = hfreq_est / vtotal_lines;
|
|
|
|
/* 14. Find the Vertical frame frequency: */
|
|
|
|
if (interlaced)
|
|
|
|
vframe_rate = vfield_rate / 2;
|
|
|
|
else
|
|
|
|
vframe_rate = vfield_rate;
|
|
|
|
/* 15. Find number of pixels in left margin: */
|
|
|
|
if (margins)
|
|
|
|
left_margin = (hdisplay_rnd * GTF_MARGIN_PERCENTAGE + 500) /
|
|
|
|
1000;
|
|
|
|
else
|
|
|
|
left_margin = 0;
|
|
|
|
|
|
|
|
/* 16.Find number of pixels in right margin: */
|
|
|
|
right_margin = left_margin;
|
|
|
|
/* 17.Find total number of active pixels in image and left and right */
|
|
|
|
total_active_pixels = hdisplay_rnd + left_margin + right_margin;
|
|
|
|
/* 18.Find the ideal blanking duty cycle from blanking duty cycle */
|
|
|
|
ideal_duty_cycle = GTF_C_PRIME * 1000 -
|
|
|
|
(GTF_M_PRIME * 1000000 / hfreq_est);
|
|
|
|
/* 19.Find the number of pixels in the blanking time to the nearest
|
|
|
|
* double character cell: */
|
|
|
|
hblank = total_active_pixels * ideal_duty_cycle /
|
|
|
|
(100000 - ideal_duty_cycle);
|
|
|
|
hblank = (hblank + GTF_CELL_GRAN) / (2 * GTF_CELL_GRAN);
|
|
|
|
hblank = hblank * 2 * GTF_CELL_GRAN;
|
|
|
|
/* 20.Find total number of pixels: */
|
|
|
|
total_pixels = total_active_pixels + hblank;
|
|
|
|
/* 21.Find pixel clock frequency: */
|
|
|
|
pixel_freq = total_pixels * hfreq_est / 1000;
|
|
|
|
/* Stage 1 computations are now complete; I should really pass
|
|
|
|
* the results to another function and do the Stage 2 computations,
|
|
|
|
* but I only need a few more values so I'll just append the
|
|
|
|
* computations here for now */
|
|
|
|
/* 17. Find the number of pixels in the horizontal sync period: */
|
|
|
|
hsync = H_SYNC_PERCENT * total_pixels / 100;
|
|
|
|
hsync = (hsync + GTF_CELL_GRAN / 2) / GTF_CELL_GRAN;
|
|
|
|
hsync = hsync * GTF_CELL_GRAN;
|
|
|
|
/* 18. Find the number of pixels in horizontal front porch period */
|
|
|
|
hfront_porch = hblank / 2 - hsync;
|
|
|
|
/* 36. Find the number of lines in the odd front porch period: */
|
|
|
|
vodd_front_porch_lines = GTF_MIN_V_PORCH ;
|
|
|
|
|
|
|
|
/* finally, pack the results in the mode struct */
|
|
|
|
drm_mode->hdisplay = hdisplay_rnd;
|
|
|
|
drm_mode->hsync_start = hdisplay_rnd + hfront_porch;
|
|
|
|
drm_mode->hsync_end = drm_mode->hsync_start + hsync;
|
|
|
|
drm_mode->htotal = total_pixels;
|
|
|
|
drm_mode->vdisplay = vdisplay_rnd;
|
|
|
|
drm_mode->vsync_start = vdisplay_rnd + vodd_front_porch_lines;
|
|
|
|
drm_mode->vsync_end = drm_mode->vsync_start + V_SYNC_RQD;
|
|
|
|
drm_mode->vtotal = vtotal_lines;
|
|
|
|
|
|
|
|
drm_mode->clock = pixel_freq;
|
|
|
|
|
|
|
|
drm_mode_set_name(drm_mode);
|
|
|
|
drm_mode->flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC;
|
|
|
|
|
|
|
|
if (interlaced) {
|
|
|
|
drm_mode->vtotal *= 2;
|
|
|
|
drm_mode->flags |= DRM_MODE_FLAG_INTERLACE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return drm_mode;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(drm_gtf_mode);
|
2008-11-07 15:05:41 -07:00
|
|
|
/**
|
|
|
|
* drm_mode_set_name - set the name on a mode
|
|
|
|
* @mode: name will be set in this mode
|
|
|
|
*
|
|
|
|
* LOCKING:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
* Set the name of @mode to a standard format.
|
|
|
|
*/
|
|
|
|
void drm_mode_set_name(struct drm_display_mode *mode)
|
|
|
|
{
|
|
|
|
snprintf(mode->name, DRM_DISPLAY_MODE_LEN, "%dx%d", mode->hdisplay,
|
|
|
|
mode->vdisplay);
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(drm_mode_set_name);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* drm_mode_list_concat - move modes from one list to another
|
|
|
|
* @head: source list
|
|
|
|
* @new: dst list
|
|
|
|
*
|
|
|
|
* LOCKING:
|
|
|
|
* Caller must ensure both lists are locked.
|
|
|
|
*
|
|
|
|
* Move all the modes from @head to @new.
|
|
|
|
*/
|
|
|
|
void drm_mode_list_concat(struct list_head *head, struct list_head *new)
|
|
|
|
{
|
|
|
|
|
|
|
|
struct list_head *entry, *tmp;
|
|
|
|
|
|
|
|
list_for_each_safe(entry, tmp, head) {
|
|
|
|
list_move_tail(entry, new);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(drm_mode_list_concat);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* drm_mode_width - get the width of a mode
|
|
|
|
* @mode: mode
|
|
|
|
*
|
|
|
|
* LOCKING:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
* Return @mode's width (hdisplay) value.
|
|
|
|
*
|
|
|
|
* FIXME: is this needed?
|
|
|
|
*
|
|
|
|
* RETURNS:
|
|
|
|
* @mode->hdisplay
|
|
|
|
*/
|
|
|
|
int drm_mode_width(struct drm_display_mode *mode)
|
|
|
|
{
|
|
|
|
return mode->hdisplay;
|
|
|
|
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(drm_mode_width);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* drm_mode_height - get the height of a mode
|
|
|
|
* @mode: mode
|
|
|
|
*
|
|
|
|
* LOCKING:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
* Return @mode's height (vdisplay) value.
|
|
|
|
*
|
|
|
|
* FIXME: is this needed?
|
|
|
|
*
|
|
|
|
* RETURNS:
|
|
|
|
* @mode->vdisplay
|
|
|
|
*/
|
|
|
|
int drm_mode_height(struct drm_display_mode *mode)
|
|
|
|
{
|
|
|
|
return mode->vdisplay;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(drm_mode_height);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* drm_mode_vrefresh - get the vrefresh of a mode
|
|
|
|
* @mode: mode
|
|
|
|
*
|
|
|
|
* LOCKING:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
* Return @mode's vrefresh rate or calculate it if necessary.
|
|
|
|
*
|
|
|
|
* FIXME: why is this needed? shouldn't vrefresh be set already?
|
|
|
|
*
|
|
|
|
* RETURNS:
|
2009-09-02 19:33:47 -06:00
|
|
|
* Vertical refresh rate. It will be the result of actual value plus 0.5.
|
|
|
|
* If it is 70.288, it will return 70Hz.
|
|
|
|
* If it is 59.6, it will return 60Hz.
|
2008-11-07 15:05:41 -07:00
|
|
|
*/
|
|
|
|
int drm_mode_vrefresh(struct drm_display_mode *mode)
|
|
|
|
{
|
|
|
|
int refresh = 0;
|
|
|
|
unsigned int calc_val;
|
|
|
|
|
|
|
|
if (mode->vrefresh > 0)
|
|
|
|
refresh = mode->vrefresh;
|
|
|
|
else if (mode->htotal > 0 && mode->vtotal > 0) {
|
2009-09-02 19:33:47 -06:00
|
|
|
int vtotal;
|
|
|
|
vtotal = mode->vtotal;
|
2008-11-07 15:05:41 -07:00
|
|
|
/* work out vrefresh the value will be x1000 */
|
|
|
|
calc_val = (mode->clock * 1000);
|
|
|
|
calc_val /= mode->htotal;
|
2009-09-02 19:33:47 -06:00
|
|
|
refresh = (calc_val + vtotal / 2) / vtotal;
|
2008-11-07 15:05:41 -07:00
|
|
|
|
|
|
|
if (mode->flags & DRM_MODE_FLAG_INTERLACE)
|
|
|
|
refresh *= 2;
|
|
|
|
if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
|
|
|
|
refresh /= 2;
|
|
|
|
if (mode->vscan > 1)
|
|
|
|
refresh /= mode->vscan;
|
|
|
|
}
|
|
|
|
return refresh;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(drm_mode_vrefresh);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* drm_mode_set_crtcinfo - set CRTC modesetting parameters
|
|
|
|
* @p: mode
|
|
|
|
* @adjust_flags: unused? (FIXME)
|
|
|
|
*
|
|
|
|
* LOCKING:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
* Setup the CRTC modesetting parameters for @p, adjusting if necessary.
|
|
|
|
*/
|
|
|
|
void drm_mode_set_crtcinfo(struct drm_display_mode *p, int adjust_flags)
|
|
|
|
{
|
|
|
|
if ((p == NULL) || ((p->type & DRM_MODE_TYPE_CRTC_C) == DRM_MODE_TYPE_BUILTIN))
|
|
|
|
return;
|
|
|
|
|
|
|
|
p->crtc_hdisplay = p->hdisplay;
|
|
|
|
p->crtc_hsync_start = p->hsync_start;
|
|
|
|
p->crtc_hsync_end = p->hsync_end;
|
|
|
|
p->crtc_htotal = p->htotal;
|
|
|
|
p->crtc_hskew = p->hskew;
|
|
|
|
p->crtc_vdisplay = p->vdisplay;
|
|
|
|
p->crtc_vsync_start = p->vsync_start;
|
|
|
|
p->crtc_vsync_end = p->vsync_end;
|
|
|
|
p->crtc_vtotal = p->vtotal;
|
|
|
|
|
|
|
|
if (p->flags & DRM_MODE_FLAG_INTERLACE) {
|
|
|
|
if (adjust_flags & CRTC_INTERLACE_HALVE_V) {
|
|
|
|
p->crtc_vdisplay /= 2;
|
|
|
|
p->crtc_vsync_start /= 2;
|
|
|
|
p->crtc_vsync_end /= 2;
|
|
|
|
p->crtc_vtotal /= 2;
|
|
|
|
}
|
|
|
|
|
|
|
|
p->crtc_vtotal |= 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (p->flags & DRM_MODE_FLAG_DBLSCAN) {
|
|
|
|
p->crtc_vdisplay *= 2;
|
|
|
|
p->crtc_vsync_start *= 2;
|
|
|
|
p->crtc_vsync_end *= 2;
|
|
|
|
p->crtc_vtotal *= 2;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (p->vscan > 1) {
|
|
|
|
p->crtc_vdisplay *= p->vscan;
|
|
|
|
p->crtc_vsync_start *= p->vscan;
|
|
|
|
p->crtc_vsync_end *= p->vscan;
|
|
|
|
p->crtc_vtotal *= p->vscan;
|
|
|
|
}
|
|
|
|
|
|
|
|
p->crtc_vblank_start = min(p->crtc_vsync_start, p->crtc_vdisplay);
|
|
|
|
p->crtc_vblank_end = max(p->crtc_vsync_end, p->crtc_vtotal);
|
|
|
|
p->crtc_hblank_start = min(p->crtc_hsync_start, p->crtc_hdisplay);
|
|
|
|
p->crtc_hblank_end = max(p->crtc_hsync_end, p->crtc_htotal);
|
|
|
|
|
|
|
|
p->crtc_hadjusted = false;
|
|
|
|
p->crtc_vadjusted = false;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(drm_mode_set_crtcinfo);
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* drm_mode_duplicate - allocate and duplicate an existing mode
|
|
|
|
* @m: mode to duplicate
|
|
|
|
*
|
|
|
|
* LOCKING:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
* Just allocate a new mode, copy the existing mode into it, and return
|
|
|
|
* a pointer to it. Used to create new instances of established modes.
|
|
|
|
*/
|
|
|
|
struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev,
|
|
|
|
struct drm_display_mode *mode)
|
|
|
|
{
|
|
|
|
struct drm_display_mode *nmode;
|
|
|
|
int new_id;
|
|
|
|
|
|
|
|
nmode = drm_mode_create(dev);
|
|
|
|
if (!nmode)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
new_id = nmode->base.id;
|
|
|
|
*nmode = *mode;
|
|
|
|
nmode->base.id = new_id;
|
|
|
|
INIT_LIST_HEAD(&nmode->head);
|
|
|
|
return nmode;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(drm_mode_duplicate);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* drm_mode_equal - test modes for equality
|
|
|
|
* @mode1: first mode
|
|
|
|
* @mode2: second mode
|
|
|
|
*
|
|
|
|
* LOCKING:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
* Check to see if @mode1 and @mode2 are equivalent.
|
|
|
|
*
|
|
|
|
* RETURNS:
|
|
|
|
* True if the modes are equal, false otherwise.
|
|
|
|
*/
|
|
|
|
bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2)
|
|
|
|
{
|
|
|
|
/* do clock check convert to PICOS so fb modes get matched
|
|
|
|
* the same */
|
|
|
|
if (mode1->clock && mode2->clock) {
|
|
|
|
if (KHZ2PICOS(mode1->clock) != KHZ2PICOS(mode2->clock))
|
|
|
|
return false;
|
|
|
|
} else if (mode1->clock != mode2->clock)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
if (mode1->hdisplay == mode2->hdisplay &&
|
|
|
|
mode1->hsync_start == mode2->hsync_start &&
|
|
|
|
mode1->hsync_end == mode2->hsync_end &&
|
|
|
|
mode1->htotal == mode2->htotal &&
|
|
|
|
mode1->hskew == mode2->hskew &&
|
|
|
|
mode1->vdisplay == mode2->vdisplay &&
|
|
|
|
mode1->vsync_start == mode2->vsync_start &&
|
|
|
|
mode1->vsync_end == mode2->vsync_end &&
|
|
|
|
mode1->vtotal == mode2->vtotal &&
|
|
|
|
mode1->vscan == mode2->vscan &&
|
|
|
|
mode1->flags == mode2->flags)
|
|
|
|
return true;
|
|
|
|
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(drm_mode_equal);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* drm_mode_validate_size - make sure modes adhere to size constraints
|
|
|
|
* @dev: DRM device
|
|
|
|
* @mode_list: list of modes to check
|
|
|
|
* @maxX: maximum width
|
|
|
|
* @maxY: maximum height
|
|
|
|
* @maxPitch: max pitch
|
|
|
|
*
|
|
|
|
* LOCKING:
|
|
|
|
* Caller must hold a lock protecting @mode_list.
|
|
|
|
*
|
|
|
|
* The DRM device (@dev) has size and pitch limits. Here we validate the
|
|
|
|
* modes we probed for @dev against those limits and set their status as
|
|
|
|
* necessary.
|
|
|
|
*/
|
|
|
|
void drm_mode_validate_size(struct drm_device *dev,
|
|
|
|
struct list_head *mode_list,
|
|
|
|
int maxX, int maxY, int maxPitch)
|
|
|
|
{
|
|
|
|
struct drm_display_mode *mode;
|
|
|
|
|
|
|
|
list_for_each_entry(mode, mode_list, head) {
|
|
|
|
if (maxPitch > 0 && mode->hdisplay > maxPitch)
|
|
|
|
mode->status = MODE_BAD_WIDTH;
|
|
|
|
|
|
|
|
if (maxX > 0 && mode->hdisplay > maxX)
|
|
|
|
mode->status = MODE_VIRTUAL_X;
|
|
|
|
|
|
|
|
if (maxY > 0 && mode->vdisplay > maxY)
|
|
|
|
mode->status = MODE_VIRTUAL_Y;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(drm_mode_validate_size);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* drm_mode_validate_clocks - validate modes against clock limits
|
|
|
|
* @dev: DRM device
|
|
|
|
* @mode_list: list of modes to check
|
|
|
|
* @min: minimum clock rate array
|
|
|
|
* @max: maximum clock rate array
|
|
|
|
* @n_ranges: number of clock ranges (size of arrays)
|
|
|
|
*
|
|
|
|
* LOCKING:
|
|
|
|
* Caller must hold a lock protecting @mode_list.
|
|
|
|
*
|
|
|
|
* Some code may need to check a mode list against the clock limits of the
|
|
|
|
* device in question. This function walks the mode list, testing to make
|
|
|
|
* sure each mode falls within a given range (defined by @min and @max
|
|
|
|
* arrays) and sets @mode->status as needed.
|
|
|
|
*/
|
|
|
|
void drm_mode_validate_clocks(struct drm_device *dev,
|
|
|
|
struct list_head *mode_list,
|
|
|
|
int *min, int *max, int n_ranges)
|
|
|
|
{
|
|
|
|
struct drm_display_mode *mode;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
list_for_each_entry(mode, mode_list, head) {
|
|
|
|
bool good = false;
|
|
|
|
for (i = 0; i < n_ranges; i++) {
|
|
|
|
if (mode->clock >= min[i] && mode->clock <= max[i]) {
|
|
|
|
good = true;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (!good)
|
|
|
|
mode->status = MODE_CLOCK_RANGE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(drm_mode_validate_clocks);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* drm_mode_prune_invalid - remove invalid modes from mode list
|
|
|
|
* @dev: DRM device
|
|
|
|
* @mode_list: list of modes to check
|
|
|
|
* @verbose: be verbose about it
|
|
|
|
*
|
|
|
|
* LOCKING:
|
|
|
|
* Caller must hold a lock protecting @mode_list.
|
|
|
|
*
|
|
|
|
* Once mode list generation is complete, a caller can use this routine to
|
|
|
|
* remove invalid modes from a mode list. If any of the modes have a
|
|
|
|
* status other than %MODE_OK, they are removed from @mode_list and freed.
|
|
|
|
*/
|
|
|
|
void drm_mode_prune_invalid(struct drm_device *dev,
|
|
|
|
struct list_head *mode_list, bool verbose)
|
|
|
|
{
|
|
|
|
struct drm_display_mode *mode, *t;
|
|
|
|
|
|
|
|
list_for_each_entry_safe(mode, t, mode_list, head) {
|
|
|
|
if (mode->status != MODE_OK) {
|
|
|
|
list_del(&mode->head);
|
|
|
|
if (verbose) {
|
|
|
|
drm_mode_debug_printmodeline(mode);
|
2009-07-19 23:48:05 -06:00
|
|
|
DRM_DEBUG_KMS("Not using %s mode %d\n",
|
2009-06-02 00:12:47 -06:00
|
|
|
mode->name, mode->status);
|
2008-11-07 15:05:41 -07:00
|
|
|
}
|
|
|
|
drm_mode_destroy(dev, mode);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(drm_mode_prune_invalid);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* drm_mode_compare - compare modes for favorability
|
|
|
|
* @lh_a: list_head for first mode
|
|
|
|
* @lh_b: list_head for second mode
|
|
|
|
*
|
|
|
|
* LOCKING:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
* Compare two modes, given by @lh_a and @lh_b, returning a value indicating
|
|
|
|
* which is better.
|
|
|
|
*
|
|
|
|
* RETURNS:
|
|
|
|
* Negative if @lh_a is better than @lh_b, zero if they're equivalent, or
|
|
|
|
* positive if @lh_b is better than @lh_a.
|
|
|
|
*/
|
|
|
|
static int drm_mode_compare(struct list_head *lh_a, struct list_head *lh_b)
|
|
|
|
{
|
|
|
|
struct drm_display_mode *a = list_entry(lh_a, struct drm_display_mode, head);
|
|
|
|
struct drm_display_mode *b = list_entry(lh_b, struct drm_display_mode, head);
|
|
|
|
int diff;
|
|
|
|
|
|
|
|
diff = ((b->type & DRM_MODE_TYPE_PREFERRED) != 0) -
|
|
|
|
((a->type & DRM_MODE_TYPE_PREFERRED) != 0);
|
|
|
|
if (diff)
|
|
|
|
return diff;
|
|
|
|
diff = b->hdisplay * b->vdisplay - a->hdisplay * a->vdisplay;
|
|
|
|
if (diff)
|
|
|
|
return diff;
|
|
|
|
diff = b->clock - a->clock;
|
|
|
|
return diff;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* FIXME: what we don't have a list sort function? */
|
|
|
|
/* list sort from Mark J Roberts (mjr@znex.org) */
|
|
|
|
void list_sort(struct list_head *head,
|
|
|
|
int (*cmp)(struct list_head *a, struct list_head *b))
|
|
|
|
{
|
|
|
|
struct list_head *p, *q, *e, *list, *tail, *oldhead;
|
|
|
|
int insize, nmerges, psize, qsize, i;
|
|
|
|
|
|
|
|
list = head->next;
|
|
|
|
list_del(head);
|
|
|
|
insize = 1;
|
|
|
|
for (;;) {
|
|
|
|
p = oldhead = list;
|
|
|
|
list = tail = NULL;
|
|
|
|
nmerges = 0;
|
|
|
|
|
|
|
|
while (p) {
|
|
|
|
nmerges++;
|
|
|
|
q = p;
|
|
|
|
psize = 0;
|
|
|
|
for (i = 0; i < insize; i++) {
|
|
|
|
psize++;
|
|
|
|
q = q->next == oldhead ? NULL : q->next;
|
|
|
|
if (!q)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
qsize = insize;
|
|
|
|
while (psize > 0 || (qsize > 0 && q)) {
|
|
|
|
if (!psize) {
|
|
|
|
e = q;
|
|
|
|
q = q->next;
|
|
|
|
qsize--;
|
|
|
|
if (q == oldhead)
|
|
|
|
q = NULL;
|
|
|
|
} else if (!qsize || !q) {
|
|
|
|
e = p;
|
|
|
|
p = p->next;
|
|
|
|
psize--;
|
|
|
|
if (p == oldhead)
|
|
|
|
p = NULL;
|
|
|
|
} else if (cmp(p, q) <= 0) {
|
|
|
|
e = p;
|
|
|
|
p = p->next;
|
|
|
|
psize--;
|
|
|
|
if (p == oldhead)
|
|
|
|
p = NULL;
|
|
|
|
} else {
|
|
|
|
e = q;
|
|
|
|
q = q->next;
|
|
|
|
qsize--;
|
|
|
|
if (q == oldhead)
|
|
|
|
q = NULL;
|
|
|
|
}
|
|
|
|
if (tail)
|
|
|
|
tail->next = e;
|
|
|
|
else
|
|
|
|
list = e;
|
|
|
|
e->prev = tail;
|
|
|
|
tail = e;
|
|
|
|
}
|
|
|
|
p = q;
|
|
|
|
}
|
|
|
|
|
|
|
|
tail->next = list;
|
|
|
|
list->prev = tail;
|
|
|
|
|
|
|
|
if (nmerges <= 1)
|
|
|
|
break;
|
|
|
|
|
|
|
|
insize *= 2;
|
|
|
|
}
|
|
|
|
|
|
|
|
head->next = list;
|
|
|
|
head->prev = list->prev;
|
|
|
|
list->prev->next = head;
|
|
|
|
list->prev = head;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* drm_mode_sort - sort mode list
|
|
|
|
* @mode_list: list to sort
|
|
|
|
*
|
|
|
|
* LOCKING:
|
|
|
|
* Caller must hold a lock protecting @mode_list.
|
|
|
|
*
|
|
|
|
* Sort @mode_list by favorability, putting good modes first.
|
|
|
|
*/
|
|
|
|
void drm_mode_sort(struct list_head *mode_list)
|
|
|
|
{
|
|
|
|
list_sort(mode_list, drm_mode_compare);
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(drm_mode_sort);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* drm_mode_connector_list_update - update the mode list for the connector
|
|
|
|
* @connector: the connector to update
|
|
|
|
*
|
|
|
|
* LOCKING:
|
|
|
|
* Caller must hold a lock protecting @mode_list.
|
|
|
|
*
|
|
|
|
* This moves the modes from the @connector probed_modes list
|
|
|
|
* to the actual mode list. It compares the probed mode against the current
|
|
|
|
* list and only adds different modes. All modes unverified after this point
|
|
|
|
* will be removed by the prune invalid modes.
|
|
|
|
*/
|
|
|
|
void drm_mode_connector_list_update(struct drm_connector *connector)
|
|
|
|
{
|
|
|
|
struct drm_display_mode *mode;
|
|
|
|
struct drm_display_mode *pmode, *pt;
|
|
|
|
int found_it;
|
|
|
|
|
|
|
|
list_for_each_entry_safe(pmode, pt, &connector->probed_modes,
|
|
|
|
head) {
|
|
|
|
found_it = 0;
|
|
|
|
/* go through current modes checking for the new probed mode */
|
|
|
|
list_for_each_entry(mode, &connector->modes, head) {
|
|
|
|
if (drm_mode_equal(pmode, mode)) {
|
|
|
|
found_it = 1;
|
|
|
|
/* if equal delete the probed mode */
|
|
|
|
mode->status = pmode->status;
|
2009-07-20 15:49:17 -06:00
|
|
|
/* Merge type bits together */
|
|
|
|
mode->type |= pmode->type;
|
2008-11-07 15:05:41 -07:00
|
|
|
list_del(&pmode->head);
|
|
|
|
drm_mode_destroy(connector->dev, pmode);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!found_it) {
|
|
|
|
list_move_tail(&pmode->head, &connector->modes);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(drm_mode_connector_list_update);
|