diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0672-drm-vc4-hdmi-Move-initial-register-read-after-pm_run.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0672-drm-vc4-hdmi-Move-initial-register-read-after-pm_run.patch | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0672-drm-vc4-hdmi-Move-initial-register-read-after-pm_run.patch b/target/linux/bcm27xx/patches-5.10/950-0672-drm-vc4-hdmi-Move-initial-register-read-after-pm_run.patch deleted file mode 100644 index 0aaec235d4..0000000000 --- a/target/linux/bcm27xx/patches-5.10/950-0672-drm-vc4-hdmi-Move-initial-register-read-after-pm_run.patch +++ /dev/null @@ -1,37 +0,0 @@ -From 9f2c0bf1e2f3784e1f991ab30bba83ffd79b8a19 Mon Sep 17 00:00:00 2001 -From: Maxime Ripard <maxime@cerno.tech> -Date: Mon, 5 Jul 2021 10:48:07 +0200 -Subject: [PATCH] drm/vc4: hdmi: Move initial register read after - pm_runtime_get - -Commit ecdd08fd9bba ("drm/vc4: hdmi: Make sure the device is powered -with CEC") made sure that the device is powered while there is -CEC-related accesses but missed one register read in the variable -declaration. - -Move the variable assignment after the pm_runtime_resume_and_get. - -Fixes: ecdd08fd9bba ("drm/vc4: hdmi: Make sure the device is powered with CEC") -Signed-off-by: Maxime Ripard <maxime@cerno.tech> ---- - drivers/gpu/drm/vc4/vc4_hdmi.c | 3 ++- - 1 file changed, 2 insertions(+), 1 deletion(-) - ---- a/drivers/gpu/drm/vc4/vc4_hdmi.c -+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c -@@ -1761,13 +1761,14 @@ static int vc4_hdmi_cec_enable(struct ce - struct vc4_hdmi *vc4_hdmi = cec_get_drvdata(adap); - /* clock period in microseconds */ - const u32 usecs = 1000000 / CEC_CLOCK_FREQ; -- u32 val = HDMI_READ(HDMI_CEC_CNTRL_5); -+ u32 val; - int ret; - - ret = pm_runtime_resume_and_get(&vc4_hdmi->pdev->dev); - if (ret) - return ret; - -+ val = HDMI_READ(HDMI_CEC_CNTRL_5); - val &= ~(VC4_HDMI_CEC_TX_SW_RESET | VC4_HDMI_CEC_RX_SW_RESET | - VC4_HDMI_CEC_CNT_TO_4700_US_MASK | - VC4_HDMI_CEC_CNT_TO_4500_US_MASK); |