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| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-18 18:04:33 +0100 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-18 23:42:32 +0100 |
| commit | f07e572f6447465d8938679533d604e402b0f066 (patch) | |
| tree | cb333bd2a67e59e7c07659514850a0fd55fc825e /target/linux/bcm27xx/patches-5.4/950-0281-Fixup-FKMS-interrupt-handing-for-non-existent-displa.patch | |
| parent | 5d3a6fd970619dfc55f8259035c3027d7613a2a6 (diff) | |
| download | upstream-f07e572f6447465d8938679533d604e402b0f066.tar.gz upstream-f07e572f6447465d8938679533d604e402b0f066.tar.bz2 upstream-f07e572f6447465d8938679533d604e402b0f066.zip | |
bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0281-Fixup-FKMS-interrupt-handing-for-non-existent-displa.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0281-Fixup-FKMS-interrupt-handing-for-non-existent-displa.patch | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0281-Fixup-FKMS-interrupt-handing-for-non-existent-displa.patch b/target/linux/bcm27xx/patches-5.4/950-0281-Fixup-FKMS-interrupt-handing-for-non-existent-displa.patch deleted file mode 100644 index 60c9c9b03f..0000000000 --- a/target/linux/bcm27xx/patches-5.4/950-0281-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]); -+ } - } - } - |