From 958e46acc8e900e8569dd467c1af9b8d2d019394 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:54 +0000
Subject: [PATCH] disable cpu isolcpus
---
kernel/drivers/gpu/drm/vc4/vc4_dpi.c | 67 ++++++++-------------------------
1 files changed, 17 insertions(+), 50 deletions(-)
diff --git a/kernel/drivers/gpu/drm/vc4/vc4_dpi.c b/kernel/drivers/gpu/drm/vc4/vc4_dpi.c
index f185812..a90f254 100644
--- a/kernel/drivers/gpu/drm/vc4/vc4_dpi.c
+++ b/kernel/drivers/gpu/drm/vc4/vc4_dpi.c
@@ -1,17 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2016 Broadcom Limited
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that 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, see <http://www.gnu.org/licenses/>.
*/
/**
@@ -24,10 +13,11 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_bridge.h>
-#include <drm/drm_crtc_helper.h>
#include <drm/drm_edid.h>
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include <linux/clk.h>
#include <linux/component.h>
#include <linux/of_graph.h>
@@ -101,6 +91,8 @@
struct clk *pixel_clock;
struct clk *core_clock;
+
+ struct debugfs_regset32 regset;
};
#define DPI_READ(offset) readl(dpi->regs + (offset))
@@ -118,39 +110,9 @@
return container_of(encoder, struct vc4_dpi_encoder, base.base);
}
-#define DPI_REG(reg) { reg, #reg }
-static const struct {
- u32 reg;
- const char *name;
-} dpi_regs[] = {
- DPI_REG(DPI_C),
- DPI_REG(DPI_ID),
-};
-
-#ifdef CONFIG_DEBUG_FS
-int vc4_dpi_debugfs_regs(struct seq_file *m, void *unused)
-{
- struct drm_info_node *node = (struct drm_info_node *)m->private;
- struct drm_device *dev = node->minor->dev;
- struct vc4_dev *vc4 = to_vc4_dev(dev);
- struct vc4_dpi *dpi = vc4->dpi;
- int i;
-
- if (!dpi)
- return 0;
-
- for (i = 0; i < ARRAY_SIZE(dpi_regs); i++) {
- seq_printf(m, "%s (0x%04x): 0x%08x\n",
- dpi_regs[i].name, dpi_regs[i].reg,
- DPI_READ(dpi_regs[i].reg));
- }
-
- return 0;
-}
-#endif
-
-static const struct drm_encoder_funcs vc4_dpi_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
+static const struct debugfs_reg32 dpi_regs[] = {
+ VC4_REG32(DPI_C),
+ VC4_REG32(DPI_ID),
};
static void vc4_dpi_encoder_disable(struct drm_encoder *encoder)
@@ -284,9 +246,10 @@
}
if (panel)
- bridge = drm_panel_bridge_add(panel, DRM_MODE_CONNECTOR_DPI);
+ bridge = drm_panel_bridge_add_typed(panel,
+ DRM_MODE_CONNECTOR_DPI);
- return drm_bridge_attach(dpi->encoder, bridge, NULL);
+ return drm_bridge_attach(dpi->encoder, bridge, NULL, 0);
}
static int vc4_dpi_bind(struct device *dev, struct device *master, void *data)
@@ -314,6 +277,9 @@
dpi->regs = vc4_ioremap_regs(pdev, 0);
if (IS_ERR(dpi->regs))
return PTR_ERR(dpi->regs);
+ dpi->regset.base = dpi->regs;
+ dpi->regset.regs = dpi_regs;
+ dpi->regset.nregs = ARRAY_SIZE(dpi_regs);
if (DPI_READ(DPI_ID) != DPI_ID_VALUE) {
dev_err(dev, "Port returned 0x%08x for ID instead of 0x%08x\n",
@@ -340,8 +306,7 @@
if (ret)
DRM_ERROR("Failed to turn on core clock: %d\n", ret);
- drm_encoder_init(drm, dpi->encoder, &vc4_dpi_encoder_funcs,
- DRM_MODE_ENCODER_DPI, NULL);
+ drm_simple_encoder_init(drm, dpi->encoder, DRM_MODE_ENCODER_DPI);
drm_encoder_helper_add(dpi->encoder, &vc4_dpi_encoder_helper_funcs);
ret = vc4_dpi_init_bridge(dpi);
@@ -352,6 +317,8 @@
vc4->dpi = dpi;
+ vc4_debugfs_add_regset32(drm, "dpi_regs", &dpi->regset);
+
return 0;
err_destroy_encoder:
--
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