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20ea6adbf1
Build system: x86_64 Build-tested: bcm2708, bcm2709, bcm2710, bcm2711 Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B Signed-off-by: Marty Jones <mj8263788@gmail.com> Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
28 lines
950 B
Diff
28 lines
950 B
Diff
From c22a0c1ce0ec4c468dcbdaff05d18f366522af9b Mon Sep 17 00:00:00 2001
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From: popcornmix <popcornmix@gmail.com>
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Date: Fri, 23 Aug 2019 16:34:38 +0100
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Subject: [PATCH] v3d_drv: Handle missing clock more gracefully
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Signed-off-by: popcornmix <popcornmix@gmail.com>
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---
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drivers/gpu/drm/v3d/v3d_drv.c | 8 ++++----
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1 file changed, 4 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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@@ -302,10 +302,10 @@ static int v3d_platform_drm_probe(struct
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}
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v3d->clk = devm_clk_get(dev, NULL);
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- if (IS_ERR(v3d->clk)) {
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- if (ret != -EPROBE_DEFER)
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- dev_err(dev, "Failed to get clock\n");
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- goto dev_free;
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+ if (IS_ERR_OR_NULL(v3d->clk)) {
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+ if (PTR_ERR(v3d->clk) != -EPROBE_DEFER)
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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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/* For downclocking, drop it to the minimum frequency we can get from
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