From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/drivers/gpu/drm/gma500/gma_display.c | 83 ++++++++++++++++++++++++++++++++---------
1 files changed, 64 insertions(+), 19 deletions(-)
diff --git a/kernel/drivers/gpu/drm/gma500/gma_display.c b/kernel/drivers/gpu/drm/gma500/gma_display.c
index 09c1161..70148ae 100644
--- a/kernel/drivers/gpu/drm/gma500/gma_display.c
+++ b/kernel/drivers/gpu/drm/gma500/gma_display.c
@@ -1,30 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright © 2006-2011 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*
* Authors:
* Eric Anholt <eric@anholt.net>
* Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
*/
-#include <drm/drmP.h>
+#include <linux/delay.h>
+#include <linux/highmem.h>
+
+#include <drm/drm_crtc.h>
+#include <drm/drm_fourcc.h>
+#include <drm/drm_vblank.h>
+
+#include "framebuffer.h"
#include "gma_display.h"
+#include "psb_drv.h"
#include "psb_intel_drv.h"
#include "psb_intel_reg.h"
-#include "psb_drv.h"
-#include "framebuffer.h"
/**
* Returns whether any output on the specified pipe is of the specified type
@@ -261,6 +255,8 @@
/* Give the overlay scaler a chance to enable
* if it's on this pipe */
/* psb_intel_crtc_dpms_video(crtc, true); TODO */
+
+ drm_crtc_vblank_on(crtc);
break;
case DRM_MODE_DPMS_OFF:
if (!gma_crtc->active)
@@ -355,7 +351,7 @@
gt = container_of(gma_crtc->cursor_obj,
struct gtt_range, gem);
psb_gtt_unpin(gt);
- drm_gem_object_put_unlocked(gma_crtc->cursor_obj);
+ drm_gem_object_put(gma_crtc->cursor_obj);
gma_crtc->cursor_obj = NULL;
}
return 0;
@@ -431,7 +427,7 @@
if (gma_crtc->cursor_obj) {
gt = container_of(gma_crtc->cursor_obj, struct gtt_range, gem);
psb_gtt_unpin(gt);
- drm_gem_object_put_unlocked(gma_crtc->cursor_obj);
+ drm_gem_object_put(gma_crtc->cursor_obj);
}
gma_crtc->cursor_obj = obj;
@@ -439,7 +435,7 @@
return ret;
unref_cursor:
- drm_gem_object_put_unlocked(obj);
+ drm_gem_object_put(obj);
return ret;
}
@@ -507,6 +503,55 @@
kfree(gma_crtc);
}
+int gma_crtc_page_flip(struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ struct drm_pending_vblank_event *event,
+ uint32_t page_flip_flags,
+ struct drm_modeset_acquire_ctx *ctx)
+{
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ struct drm_framebuffer *current_fb = crtc->primary->fb;
+ struct drm_framebuffer *old_fb = crtc->primary->old_fb;
+ const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+ struct drm_device *dev = crtc->dev;
+ unsigned long flags;
+ int ret;
+
+ if (!crtc_funcs->mode_set_base)
+ return -EINVAL;
+
+ /* Using mode_set_base requires the new fb to be set already. */
+ crtc->primary->fb = fb;
+
+ if (event) {
+ spin_lock_irqsave(&dev->event_lock, flags);
+
+ WARN_ON(drm_crtc_vblank_get(crtc) != 0);
+
+ gma_crtc->page_flip_event = event;
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+
+ /* Call this locked if we want an event at vblank interrupt. */
+ ret = crtc_funcs->mode_set_base(crtc, crtc->x, crtc->y, old_fb);
+ if (ret) {
+ spin_lock_irqsave(&dev->event_lock, flags);
+ if (gma_crtc->page_flip_event) {
+ gma_crtc->page_flip_event = NULL;
+ drm_crtc_vblank_put(crtc);
+ }
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+ }
+ } else {
+ ret = crtc_funcs->mode_set_base(crtc, crtc->x, crtc->y, old_fb);
+ }
+
+ /* Restore previous fb in case of failure. */
+ if (ret)
+ crtc->primary->fb = current_fb;
+
+ return ret;
+}
+
int gma_crtc_set_config(struct drm_mode_set *set,
struct drm_modeset_acquire_ctx *ctx)
{
--
Gitblit v1.6.2