forked from Openwrt/openwrt
8c405cdccc
The patches were generated from the RPi repo with the following command: git format-patch v6.6.34..rpi-6.1.y Some patches needed rebasing and, as usual, the applied and reverted, wireless drivers, Github workflows, READMEs and defconfigs patches were removed. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
88 lines
2.6 KiB
Diff
88 lines
2.6 KiB
Diff
From 8b5e0051abd32065a1a8a6357546478bf5839571 Mon Sep 17 00:00:00 2001
|
|
From: Dom Cobley <popcornmix@gmail.com>
|
|
Date: Wed, 20 Apr 2022 18:08:38 +0100
|
|
Subject: [PATCH 0376/1085] drm/v3d: Switch clock setting to new api
|
|
|
|
Signed-off-by: Dom Cobley <popcornmix@gmail.com>
|
|
|
|
drm/v3d: Convert to new clock range API
|
|
|
|
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
|
|
---
|
|
drivers/gpu/drm/v3d/v3d_drv.c | 22 ++++++++++++++++++++--
|
|
drivers/gpu/drm/v3d/v3d_gem.c | 4 ++--
|
|
2 files changed, 22 insertions(+), 4 deletions(-)
|
|
|
|
--- a/drivers/gpu/drm/v3d/v3d_drv.c
|
|
+++ b/drivers/gpu/drm/v3d/v3d_drv.c
|
|
@@ -23,6 +23,9 @@
|
|
|
|
#include <drm/drm_drv.h>
|
|
#include <drm/drm_managed.h>
|
|
+
|
|
+#include <soc/bcm2835/raspberrypi-firmware.h>
|
|
+
|
|
#include <uapi/drm/v3d_drm.h>
|
|
|
|
#include "v3d_drv.h"
|
|
@@ -203,6 +206,8 @@ map_regs(struct v3d_dev *v3d, void __iom
|
|
static int v3d_platform_drm_probe(struct platform_device *pdev)
|
|
{
|
|
struct device *dev = &pdev->dev;
|
|
+ struct rpi_firmware *firmware;
|
|
+ struct device_node *node;
|
|
struct drm_device *drm;
|
|
struct v3d_dev *v3d;
|
|
int ret;
|
|
@@ -262,7 +267,20 @@ static int v3d_platform_drm_probe(struct
|
|
dev_err(dev, "Failed to get clock (%ld)\n", PTR_ERR(v3d->clk));
|
|
return PTR_ERR(v3d->clk);
|
|
}
|
|
- v3d->clk_up_rate = clk_get_rate(v3d->clk);
|
|
+
|
|
+ node = rpi_firmware_find_node();
|
|
+ if (!node)
|
|
+ return -EINVAL;
|
|
+
|
|
+ firmware = rpi_firmware_get(node);
|
|
+ of_node_put(node);
|
|
+ if (!firmware)
|
|
+ return -EPROBE_DEFER;
|
|
+
|
|
+ v3d->clk_up_rate = rpi_firmware_clk_get_max_rate(firmware,
|
|
+ RPI_FIRMWARE_V3D_CLK_ID);
|
|
+ rpi_firmware_put(firmware);
|
|
+
|
|
/* For downclocking, drop it to the minimum frequency we can get from
|
|
* the CPRMAN clock generator dividing off our parent. The divider is
|
|
* 4 bits, but ask for just higher than that so that rounding doesn't
|
|
@@ -296,7 +314,7 @@ static int v3d_platform_drm_probe(struct
|
|
if (ret)
|
|
goto irq_disable;
|
|
|
|
- ret = clk_set_rate(v3d->clk, v3d->clk_down_rate);
|
|
+ ret = clk_set_min_rate(v3d->clk, v3d->clk_down_rate);
|
|
WARN_ON_ONCE(ret != 0);
|
|
|
|
return 0;
|
|
--- a/drivers/gpu/drm/v3d/v3d_gem.c
|
|
+++ b/drivers/gpu/drm/v3d/v3d_gem.c
|
|
@@ -26,7 +26,7 @@ v3d_clock_down_work(struct work_struct *
|
|
container_of(work, struct v3d_dev, clk_down_work.work);
|
|
int ret;
|
|
|
|
- ret = clk_set_rate(v3d->clk, v3d->clk_down_rate);
|
|
+ ret = clk_set_min_rate(v3d->clk, v3d->clk_down_rate);
|
|
v3d->clk_up = false;
|
|
WARN_ON_ONCE(ret != 0);
|
|
}
|
|
@@ -40,7 +40,7 @@ v3d_clock_up_get(struct v3d_dev *v3d)
|
|
if (!v3d->clk_up) {
|
|
int ret;
|
|
|
|
- ret = clk_set_rate(v3d->clk, v3d->clk_up_rate);
|
|
+ ret = clk_set_min_rate(v3d->clk, v3d->clk_up_rate);
|
|
WARN_ON_ONCE(ret != 0);
|
|
v3d->clk_up = true;
|
|
}
|