diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0641-drm-vc4-hdmi-Silence-pixel-clock-error-on-EPROBE_DEF.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0641-drm-vc4-hdmi-Silence-pixel-clock-error-on-EPROBE_DEF.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0641-drm-vc4-hdmi-Silence-pixel-clock-error-on-EPROBE_DEF.patch b/target/linux/bcm27xx/patches-5.4/950-0641-drm-vc4-hdmi-Silence-pixel-clock-error-on-EPROBE_DEF.patch new file mode 100644 index 0000000000..1b1cb143ae --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0641-drm-vc4-hdmi-Silence-pixel-clock-error-on-EPROBE_DEF.patch @@ -0,0 +1,29 @@ +From ba875ce27cd407bc61502517671623df07bb6c1a Mon Sep 17 00:00:00 2001 +From: James Hilliard <james.hilliard1@gmail.com> +Date: Fri, 10 Apr 2020 19:24:40 -0600 +Subject: [PATCH] drm/vc4: hdmi: Silence pixel clock error on + -EPROBE_DEFER + +If the vc4 hdmi driver loads before the pixel clock is available we +see a spurious "*ERROR* Failed to get pixel clock" error. + +Signed-off-by: James Hilliard <james.hilliard1@gmail.com> +--- + drivers/gpu/drm/vc4/vc4_hdmi.c | 6 ++++-- + 1 file changed, 4 insertions(+), 2 deletions(-) + +--- a/drivers/gpu/drm/vc4/vc4_hdmi.c ++++ b/drivers/gpu/drm/vc4/vc4_hdmi.c +@@ -1493,8 +1493,10 @@ static int vc4_hdmi_init_resources(struc + + vc4_hdmi->pixel_clock = devm_clk_get(dev, "pixel"); + if (IS_ERR(vc4_hdmi->pixel_clock)) { +- DRM_ERROR("Failed to get pixel clock\n"); +- return PTR_ERR(vc4_hdmi->pixel_clock); ++ ret = PTR_ERR(vc4_hdmi->pixel_clock); ++ if (ret != -EPROBE_DEFER) ++ DRM_ERROR("Failed to get pixel clock\n"); ++ return ret; + } + + vc4_hdmi->hsm_clock = devm_clk_get(dev, "hdmi"); |