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Linux 5.15.21

DISCUSSION Greg Kroah-Hartman 1 participant 2 messages Feb 5, 2022 Stable branch

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Greg Kroah-Hartman

author maintainer
#0 lore raw

I'm announcing the release of the 5.15.21 kernel.

All users of the 5.15 kernel series must upgrade.

The updated 5.15.y git tree can be found at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-5.15.y
and can be browsed at the normal kernel.org git web browser:
https://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary

thanks,

greg k-h

------------

 Makefile                       |    2 +-
 drivers/gpu/drm/vc4/vc4_hdmi.c |   23 +++++++----------------
 2 files changed, 8 insertions(+), 17 deletions(-)

Greg Kroah-Hartman (3):
Revert "drm/vc4: hdmi: Make sure the device is powered with CEC" Revert "drm/vc4: hdmi: Make sure the device is powered with CEC" again Linux 5.15.21

author maintainer
#1 lore raw
Makefile +1 -1
index 3643400c15d8..b4770cdda9b6 100644
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 15
-SUBLEVEL = 20
+SUBLEVEL = 21
 EXTRAVERSION =
 NAME = Trick or Treat
drivers/gpu/drm/vc4/vc4_hdmi.c +7 -16
index 2d532c0fe819..e880bdd8dcfd 100644
@@ -1735,21 +1735,15 @@ static int vc4_hdmi_cec_adap_enable(struct cec_adapter *adap, bool enable)
 	struct vc4_hdmi *vc4_hdmi = cec_get_drvdata(adap);
 	/* clock period in microseconds */
 	const u32 usecs = 1000000 / CEC_CLOCK_FREQ;
-	u32 val;
-	int ret;
-
-	if (enable) {
-		ret = pm_runtime_resume_and_get(&vc4_hdmi->pdev->dev);
-		if (ret)
-			return ret;
+	u32 val = HDMI_READ(HDMI_CEC_CNTRL_5);
 
-		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);
-		val |= ((4700 / usecs) << VC4_HDMI_CEC_CNT_TO_4700_US_SHIFT) |
-			((4500 / usecs) << VC4_HDMI_CEC_CNT_TO_4500_US_SHIFT);
+	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);
+	val |= ((4700 / usecs) << VC4_HDMI_CEC_CNT_TO_4700_US_SHIFT) |
+	       ((4500 / usecs) << VC4_HDMI_CEC_CNT_TO_4500_US_SHIFT);
 
+	if (enable) {
 		HDMI_WRITE(HDMI_CEC_CNTRL_5, val |
 			   VC4_HDMI_CEC_TX_SW_RESET | VC4_HDMI_CEC_RX_SW_RESET);
 		HDMI_WRITE(HDMI_CEC_CNTRL_5, val);

@@ -1777,10 +1771,7 @@ static int vc4_hdmi_cec_adap_enable(struct cec_adapter *adap, bool enable)
 			HDMI_WRITE(HDMI_CEC_CPU_MASK_SET, VC4_HDMI_CPU_CEC);
 		HDMI_WRITE(HDMI_CEC_CNTRL_5, val |
 			   VC4_HDMI_CEC_TX_SW_RESET | VC4_HDMI_CEC_RX_SW_RESET);
-
-		pm_runtime_put(&vc4_hdmi->pdev->dev);
 	}
-
 	return 0;
 }