diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0671-drm-vc4-hdmi-Warn-if-we-access-the-controller-while-.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0671-drm-vc4-hdmi-Warn-if-we-access-the-controller-while-.patch | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0671-drm-vc4-hdmi-Warn-if-we-access-the-controller-while-.patch b/target/linux/bcm27xx/patches-5.10/950-0671-drm-vc4-hdmi-Warn-if-we-access-the-controller-while-.patch deleted file mode 100644 index c522766201..0000000000 --- a/target/linux/bcm27xx/patches-5.10/950-0671-drm-vc4-hdmi-Warn-if-we-access-the-controller-while-.patch +++ /dev/null @@ -1,47 +0,0 @@ -From f67dbf74cc7bce6d85b7c4b5b917c30f2dfc2626 Mon Sep 17 00:00:00 2001 -From: Maxime Ripard <maxime@cerno.tech> -Date: Mon, 5 Jul 2021 10:32:30 +0200 -Subject: [PATCH] drm/vc4: hdmi: Warn if we access the controller while - disabled - -We've had many silent hangs where the kernel would look like it just -stalled due to the access to one of the HDMI registers while the -controller was disabled. - -Add a warning if we're about to do that so that it's at least not silent -anymore. - -Signed-off-by: Maxime Ripard <maxime@cerno.tech> ---- - drivers/gpu/drm/vc4/vc4_hdmi_regs.h | 6 ++++++ - 1 file changed, 6 insertions(+) - ---- a/drivers/gpu/drm/vc4/vc4_hdmi_regs.h -+++ b/drivers/gpu/drm/vc4/vc4_hdmi_regs.h -@@ -1,6 +1,8 @@ - #ifndef _VC4_HDMI_REGS_H_ - #define _VC4_HDMI_REGS_H_ - -+#include <linux/pm_runtime.h> -+ - #include "vc4_hdmi.h" - - #define VC4_HDMI_PACKET_STRIDE 0x24 -@@ -412,6 +414,8 @@ static inline u32 vc4_hdmi_read(struct v - const struct vc4_hdmi_variant *variant = hdmi->variant; - void __iomem *base; - -+ WARN_ON(!pm_runtime_active(&hdmi->pdev->dev)); -+ - if (reg >= variant->num_registers) { - dev_warn(&hdmi->pdev->dev, - "Invalid register ID %u\n", reg); -@@ -438,6 +442,8 @@ static inline void vc4_hdmi_write(struct - const struct vc4_hdmi_variant *variant = hdmi->variant; - void __iomem *base; - -+ WARN_ON(!pm_runtime_active(&hdmi->pdev->dev)); -+ - if (reg >= variant->num_registers) { - dev_warn(&hdmi->pdev->dev, - "Invalid register ID %u\n", reg); |