1 files changed, 0 insertions, 39 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0278-Fixup-FKMS-interrupt-handing-for-non-existent-displa.patch b/target/linux/bcm27xx/patches-5.4/950-0278-Fixup-FKMS-interrupt-handing-for-non-existent-displa.patch
deleted file mode 100644
index 60c9c9b03f..0000000000
--- a/target/linux/bcm27xx/patches-5.4/950-0278-Fixup-FKMS-interrupt-handing-for-non-existent-displa.patch
+++ /dev/null
@@ -1,39 +0,0 @@
-From d6baa1bd90e7e68ac69d5378d70174ea67bf35dc Mon Sep 17 00:00:00 2001
-From: James Hughes <james.hughes@raspberrypi.org>
-Date: Mon, 29 Jul 2019 12:02:59 +0100
-Subject: [PATCH] Fixup FKMS interrupt handing for non-existent display
-
-If an errant interrupt flag was received from a non-existent display,
-a NULL pointer access was made. Protect against this by checking if a
-second display is present prior to checking the interrupt flags.
----
- drivers/gpu/drm/vc4/vc4_firmware_kms.c | 17 ++++++++++-------
- 1 file changed, 10 insertions(+), 7 deletions(-)
-
---- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
-+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
-@@ -1087,14 +1087,17 @@ static irqreturn_t vc4_crtc_irq_handler(
- 				vc4_crtc_handle_page_flip(crtc_list[0]);
- 			}
- 
--			/* Check for the secondary display too */
--			chan = readl(crtc_list[0]->regs + SMIDSW1);
-+			if (crtc_list[1]) {
-+				/* Check for the secondary display too */
-+				chan = readl(crtc_list[0]->regs + SMIDSW1);
- 
--			if (chan & 1) {
--				writel(SMI_NEW, crtc_list[0]->regs + SMIDSW1);
--				if (crtc_list[1]->vblank_enabled)
--					drm_crtc_handle_vblank(&crtc_list[1]->base);
--				vc4_crtc_handle_page_flip(crtc_list[1]);
-+				if (chan & 1) {
-+					writel(SMI_NEW, crtc_list[0]->regs + SMIDSW1);
-+
-+					if (crtc_list[1]->vblank_enabled)
-+						drm_crtc_handle_vblank(&crtc_list[1]->base);
-+					vc4_crtc_handle_page_flip(crtc_list[1]);
-+				}
- 			}
- 		}
-