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/mdfld_intel_display.c | 79 ++++-----------------------------------
1 files changed, 8 insertions(+), 71 deletions(-)
diff --git a/kernel/drivers/gpu/drm/gma500/mdfld_intel_display.c b/kernel/drivers/gpu/drm/gma500/mdfld_intel_display.c
index 2b9fa01..aae2d35 100644
--- a/kernel/drivers/gpu/drm/gma500/mdfld_intel_display.c
+++ b/kernel/drivers/gpu/drm/gma500/mdfld_intel_display.c
@@ -1,32 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright © 2006-2007 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>
*/
+#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/pm_runtime.h>
-#include <drm/drmP.h>
-#include "psb_intel_reg.h"
-#include "gma_display.h"
+#include <drm/drm_crtc.h>
+#include <drm/drm_fourcc.h>
+
#include "framebuffer.h"
-#include "mdfld_output.h"
+#include "gma_display.h"
#include "mdfld_dsi_output.h"
+#include "mdfld_output.h"
+#include "psb_intel_reg.h"
/* Hardcoded currently */
static int ksel = KSEL_CRYSTAL_19;
@@ -122,27 +113,6 @@
return (pfit_control >> 29) & 0x3;
}
-static struct drm_device globle_dev;
-
-void mdfld__intel_plane_set_alpha(int enable)
-{
- struct drm_device *dev = &globle_dev;
- int dspcntr_reg = DSPACNTR;
- u32 dspcntr;
-
- dspcntr = REG_READ(dspcntr_reg);
-
- if (enable) {
- dspcntr &= ~DISPPLANE_32BPP_NO_ALPHA;
- dspcntr |= DISPPLANE_32BPP;
- } else {
- dspcntr &= ~DISPPLANE_32BPP;
- dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
- }
-
- REG_WRITE(dspcntr_reg, dspcntr);
-}
-
static int check_fb(struct drm_framebuffer *fb)
{
if (!fb)
@@ -172,8 +142,6 @@
unsigned long start, offset;
u32 dspcntr;
int ret;
-
- memcpy(&globle_dev, dev, sizeof(struct drm_device));
dev_dbg(dev->dev, "pipe = 0x%x.\n", pipe);
@@ -690,16 +658,6 @@
dev_dbg(dev->dev, "pipe = 0x%x\n", pipe);
-#if 0
- if (pipe == 1) {
- if (!gma_power_begin(dev, true))
- return 0;
- android_hdmi_crtc_mode_set(crtc, mode, adjusted_mode,
- x, y, old_fb);
- goto mrst_crtc_mode_set_exit;
- }
-#endif
-
ret = check_fb(crtc->primary->fb);
if (ret)
return ret;
@@ -950,14 +908,6 @@
}
dpll = 0;
-#if 0 /* FIXME revisit later */
- if (ksel == KSEL_CRYSTAL_19 || ksel == KSEL_BYPASS_19 ||
- ksel == KSEL_BYPASS_25)
- dpll &= ~MDFLD_INPUT_REF_SEL;
- else if (ksel == KSEL_BYPASS_83_100)
- dpll |= MDFLD_INPUT_REF_SEL;
-#endif /* FIXME revisit later */
-
if (is_hdmi)
dpll |= MDFLD_VCO_SEL;
@@ -967,20 +917,7 @@
/* compute bitmask from p1 value */
dpll |= (1 << (clock.p1 - 2)) << 17;
-#if 0 /* 1080p30 & 720p */
- dpll = 0x00050000;
- fp = 0x000001be;
-#endif
-#if 0 /* 480p */
- dpll = 0x02010000;
- fp = 0x000000d2;
-#endif
} else {
-#if 0 /*DBI_TPO_480x864*/
- dpll = 0x00020000;
- fp = 0x00000156;
-#endif /* DBI_TPO_480x864 */ /* get from spec. */
-
dpll = 0x00800000;
fp = 0x000000c1;
}
--
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