mirror of
https://github.com/Ysurac/openmptcprouter.git
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87 lines
2.6 KiB
Diff
87 lines
2.6 KiB
Diff
From c63878818137652a2203dfae3768545b5f6d80b1 Mon Sep 17 00:00:00 2001
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From: Dom Cobley <popcornmix@gmail.com>
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Date: Wed, 20 Apr 2022 18:08:38 +0100
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Subject: [PATCH] drm/v3d: Switch clock setting to new api
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Signed-off-by: Dom Cobley <popcornmix@gmail.com>
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drm/v3d: Convert to new clock range API
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Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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---
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drivers/gpu/drm/v3d/v3d_drv.c | 22 ++++++++++++++++++++--
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drivers/gpu/drm/v3d/v3d_gem.c | 4 ++--
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2 files changed, 22 insertions(+), 4 deletions(-)
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--- a/drivers/gpu/drm/v3d/v3d_drv.c
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+++ b/drivers/gpu/drm/v3d/v3d_drv.c
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@@ -24,6 +24,9 @@
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#include <drm/drm_drv.h>
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#include <drm/drm_fb_helper.h>
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#include <drm/drm_managed.h>
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+
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+#include <soc/bcm2835/raspberrypi-firmware.h>
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+
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#include <uapi/drm/v3d_drm.h>
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#include "v3d_drv.h"
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@@ -207,6 +210,8 @@ map_regs(struct v3d_dev *v3d, void __iom
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static int v3d_platform_drm_probe(struct platform_device *pdev)
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{
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struct device *dev = &pdev->dev;
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+ struct rpi_firmware *firmware;
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+ struct device_node *node;
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struct drm_device *drm;
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struct v3d_dev *v3d;
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int ret;
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@@ -266,7 +271,20 @@ static int v3d_platform_drm_probe(struct
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dev_err(dev, "Failed to get clock (%ld)\n", PTR_ERR(v3d->clk));
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return PTR_ERR(v3d->clk);
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}
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- v3d->clk_up_rate = clk_get_rate(v3d->clk);
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+
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+ node = rpi_firmware_find_node();
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+ if (!node)
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+ return -EINVAL;
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+
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+ firmware = rpi_firmware_get(node);
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+ of_node_put(node);
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+ if (!firmware)
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+ return -EPROBE_DEFER;
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+
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+ v3d->clk_up_rate = rpi_firmware_clk_get_max_rate(firmware,
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+ RPI_FIRMWARE_V3D_CLK_ID);
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+ rpi_firmware_put(firmware);
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+
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/* For downclocking, drop it to the minimum frequency we can get from
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* the CPRMAN clock generator dividing off our parent. The divider is
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* 4 bits, but ask for just higher than that so that rounding doesn't
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@@ -300,7 +318,7 @@ static int v3d_platform_drm_probe(struct
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if (ret)
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goto irq_disable;
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- ret = clk_set_rate(v3d->clk, v3d->clk_down_rate);
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+ ret = clk_set_min_rate(v3d->clk, v3d->clk_down_rate);
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WARN_ON_ONCE(ret != 0);
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return 0;
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--- a/drivers/gpu/drm/v3d/v3d_gem.c
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+++ b/drivers/gpu/drm/v3d/v3d_gem.c
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@@ -25,7 +25,7 @@ v3d_clock_down_work(struct work_struct *
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container_of(work, struct v3d_dev, clk_down_work.work);
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int ret;
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- ret = clk_set_rate(v3d->clk, v3d->clk_down_rate);
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+ ret = clk_set_min_rate(v3d->clk, v3d->clk_down_rate);
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v3d->clk_up = false;
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WARN_ON_ONCE(ret != 0);
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}
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@@ -39,7 +39,7 @@ v3d_clock_up_get(struct v3d_dev *v3d)
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if (!v3d->clk_up) {
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int ret;
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- ret = clk_set_rate(v3d->clk, v3d->clk_up_rate);
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+ ret = clk_set_min_rate(v3d->clk, v3d->clk_up_rate);
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WARN_ON_ONCE(ret != 0);
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v3d->clk_up = true;
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}
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