From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/gpu/drm/gma500/psb_irq.c | 64 ++++++++++++++++---------------
1 files changed, 33 insertions(+), 31 deletions(-)
diff --git a/kernel/drivers/gpu/drm/gma500/psb_irq.c b/kernel/drivers/gpu/drm/gma500/psb_irq.c
index 076b6da..361e3a0 100644
--- a/kernel/drivers/gpu/drm/gma500/psb_irq.c
+++ b/kernel/drivers/gpu/drm/gma500/psb_irq.c
@@ -1,34 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0-only
/**************************************************************************
* Copyright (c) 2007, Intel Corporation.
* All Rights Reserved.
- *
- * 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.
*
* Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
* develop this driver.
*
**************************************************************************/
-/*
- */
-#include <drm/drmP.h>
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-#include "psb_irq.h"
+#include <drm/drm_vblank.h>
+
#include "mdfld_output.h"
+#include "power.h"
+#include "psb_drv.h"
+#include "psb_intel_reg.h"
+#include "psb_irq.h"
+#include "psb_reg.h"
/*
* inline functions
@@ -178,11 +165,23 @@
"%s, can't clear status bits for pipe %d, its value = 0x%x.\n",
__func__, pipe, PSB_RVDC32(pipe_stat_reg));
- if (pipe_stat_val & PIPE_VBLANK_STATUS)
+ if (pipe_stat_val & PIPE_VBLANK_STATUS ||
+ (IS_MFLD(dev) && pipe_stat_val & PIPE_TE_STATUS)) {
+ struct drm_crtc *crtc = drm_crtc_from_index(dev, pipe);
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ unsigned long flags;
+
drm_handle_vblank(dev, pipe);
- if (pipe_stat_val & PIPE_TE_STATUS)
- drm_handle_vblank(dev, pipe);
+ spin_lock_irqsave(&dev->event_lock, flags);
+ if (gma_crtc->page_flip_event) {
+ drm_crtc_send_vblank_event(crtc,
+ gma_crtc->page_flip_event);
+ gma_crtc->page_flip_event = NULL;
+ drm_crtc_vblank_put(crtc);
+ }
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+ }
}
/*
@@ -207,7 +206,6 @@
{
struct drm_psb_private *dev_priv = dev->dev_private;
u32 val, addr;
- int error = false;
if (stat_1 & _PSB_CE_TWOD_COMPLETE)
val = PSB_RSGX32(PSB_CR_2D_BLIT_STATUS);
@@ -242,7 +240,6 @@
DRM_ERROR("\tMMU failing address is 0x%08x.\n",
(unsigned int)addr);
- error = true;
}
}
@@ -463,12 +460,11 @@
{
struct drm_psb_private *dev_priv =
(struct drm_psb_private *) dev->dev_private;
- u32 hist_reg;
u32 pwm_reg;
if (gma_power_begin(dev, false)) {
PSB_WVDC32(0x00000000, HISTOGRAM_INT_CONTROL);
- hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL);
+ PSB_RVDC32(HISTOGRAM_INT_CONTROL);
psb_disable_pipestat(dev_priv, 0, PIPE_DPST_EVENT_ENABLE);
@@ -500,8 +496,10 @@
/*
* It is used to enable VBLANK interrupt
*/
-int psb_enable_vblank(struct drm_device *dev, unsigned int pipe)
+int psb_enable_vblank(struct drm_crtc *crtc)
{
+ struct drm_device *dev = crtc->dev;
+ unsigned int pipe = crtc->index;
struct drm_psb_private *dev_priv = dev->dev_private;
unsigned long irqflags;
uint32_t reg_val = 0;
@@ -539,8 +537,10 @@
/*
* It is used to disable VBLANK interrupt
*/
-void psb_disable_vblank(struct drm_device *dev, unsigned int pipe)
+void psb_disable_vblank(struct drm_crtc *crtc)
{
+ struct drm_device *dev = crtc->dev;
+ unsigned int pipe = crtc->index;
struct drm_psb_private *dev_priv = dev->dev_private;
unsigned long irqflags;
@@ -612,8 +612,10 @@
/* Called from drm generic code, passed a 'crtc', which
* we use as a pipe index
*/
-u32 psb_get_vblank_counter(struct drm_device *dev, unsigned int pipe)
+u32 psb_get_vblank_counter(struct drm_crtc *crtc)
{
+ struct drm_device *dev = crtc->dev;
+ unsigned int pipe = crtc->index;
uint32_t high_frame = PIPEAFRAMEHIGH;
uint32_t low_frame = PIPEAFRAMEPIXEL;
uint32_t pipeconf_reg = PIPEACONF;
--
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