openwrt/target/linux/bcm27xx/patches-5.15/950-0023-drm-vc4-Remove-conflicting-framebuffers-before-calli.patch
Petr Štetiar ca5c695a45 kernel: bump 5.15 to 5.15.62
Deleted following upstreamed patches:

 bcm27xx: 950-0006-drm-vc4-hdmi-Fix-HPD-GPIO-detection.patch
 bcm27xx: 950-0420-drm-vc4-Adopt-the-dma-configuration-from-the-HVS-or-.patch
 bcm27xx: 950-0425-drm-vc4-A-present-but-empty-dmas-disables-audio.patch
 bcm27xx: 950-0432-vc4-drm-Avoid-full-hdmi-audio-fifo-writes.patch
 bcm27xx: 950-0433-vc4-drm-vc4_plane-Remove-subpixel-positioning-check.patch
 bcm27xx: 950-0435-drm-vc4-Correct-pixel-order-for-DSI0.patch
 bcm27xx: 950-0436-drm-vc4-Register-dsi0-as-the-correct-vc4-encoder-typ.patch
 bcm27xx: 950-0437-drm-vc4-Fix-dsi0-interrupt-support.patch
 bcm27xx: 950-0438-drm-vc4-Add-correct-stop-condition-to-vc4_dsi_encode.patch
 bcm27xx: 950-0443-drm-vc4-Fix-timings-for-interlaced-modes.patch
 bcm27xx: 950-0445-drm-vc4-Fix-margin-calculations-for-the-right-bottom.patch
 bcm27xx: 950-0475-drm-vc4-Reset-HDMI-MISC_CONTROL-register.patch
 bcm27xx: 950-0476-drm-vc4-Release-workaround-buffer-and-DMA-in-error-p.patch
 bcm27xx: 950-0477-drm-vc4-Correct-DSI-divider-calculations.patch
 bcm27xx: 950-0664-drm-vc4-dsi-Correct-max-divider-to-255-not-7.patch

 bcm53xx: 072-next-ARM_dts_BCM53015-add-mr26.patch

 mediatek: 920-linux-next-dts-mt7622-bpi-r64-fix-wps-button.patch

Manually rebased following patches:

 bcm27xx: 950-0004-drm-vc4-hdmi-Remove-the-DDC-probing-for-status-detec.patch
 bcm27xx: 950-0700-net-phy-lan87xx-Decrease-phy-polling-rate.patch
 bcm27xx: 950-0711-drm-vc4-Rename-bridge-to-out_bridge.patch
 bcm27xx: 950-0713-drm-vc4-Remove-splitting-the-bridge-chain-from-the-d.patch
 bcm27xx: 950-0715-drm-vc4-Convert-vc4_dsi-to-using-a-bridge-instead-of.patch
 bcm27xx: 950-0787-vc4-drm-vc4_plane-Keep-fractional-source-coords-insi.patch
 bcm27xx: 950-0914-mmc-block-Don-t-do-single-sector-reads-during-recove.patch

Runtime tested on turris-omnia and glinet-b1300.

Tested-by: John Audia <therealgraysky@proton.me> [bcm2711/RPi4B, mt7622/RT3200]
Signed-off-by: Petr Štetiar <ynezz@true.cz>
2022-08-23 10:37:04 +02:00

40 lines
1.3 KiB
Diff

From c8f54918eece907f904d160815603bfcee0cfa1e Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Wed, 15 Dec 2021 10:51:16 +0100
Subject: [PATCH] drm/vc4: Remove conflicting framebuffers before
callind bind_all
The bind hooks will modify their controller registers, so simplefb is
going to be unusable anyway. Let's avoid any transient state where it
could still be in the system but no longer functionnal.
Acked-by: Nicolas Saenz Julienne <nsaenz@kernel.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20211215095117.176435-4-maxime@cerno.tech
---
drivers/gpu/drm/vc4/vc4_drv.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/gpu/drm/vc4/vc4_drv.c
+++ b/drivers/gpu/drm/vc4/vc4_drv.c
@@ -272,15 +272,15 @@ static int vc4_drm_bind(struct device *d
if (ret)
return ret;
- ret = component_bind_all(dev, drm);
+ ret = drm_aperture_remove_framebuffers(false, &vc4_drm_driver);
if (ret)
return ret;
- ret = vc4_plane_create_additional_planes(drm);
+ ret = component_bind_all(dev, drm);
if (ret)
- goto unbind_all;
+ return ret;
- ret = drm_aperture_remove_framebuffers(false, &vc4_drm_driver);
+ ret = vc4_plane_create_additional_planes(drm);
if (ret)
goto unbind_all;