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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-07-09 20:32:28 +0200 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-07-14 12:44:14 +0200 |
commit | 42954857190b9df16d9d873ecc7f6cc38e013e44 (patch) | |
tree | 98c588f629ff534d458eb0884782ea99672d7634 /target/linux/brcm2708/patches-4.19/950-0367-drm-vc4-Don-t-wait-for-vblank-on-fkms-cursor-updates.patch | |
parent | f1875e902d0afb7d9b9e5285b4fd8da7f6c5e30a (diff) | |
download | upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.tar.gz upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.tar.bz2 upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.zip |
brcm2708: add linux 4.19 support
Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709)
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0367-drm-vc4-Don-t-wait-for-vblank-on-fkms-cursor-updates.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0367-drm-vc4-Don-t-wait-for-vblank-on-fkms-cursor-updates.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0367-drm-vc4-Don-t-wait-for-vblank-on-fkms-cursor-updates.patch b/target/linux/brcm2708/patches-4.19/950-0367-drm-vc4-Don-t-wait-for-vblank-on-fkms-cursor-updates.patch new file mode 100644 index 0000000000..f49a1ce978 --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0367-drm-vc4-Don-t-wait-for-vblank-on-fkms-cursor-updates.patch @@ -0,0 +1,28 @@ +From 2e2eb767bf98517b95fc7d7e1d28b802b41bfcd9 Mon Sep 17 00:00:00 2001 +From: Eric Anholt <eric@anholt.net> +Date: Mon, 5 Feb 2018 18:53:18 +0000 +Subject: [PATCH 367/703] drm/vc4: Don't wait for vblank on fkms cursor + updates. + +We don't use the same async update path between fkms and normal kms, +and the normal kms workaround ended up making us wait. This became a +larger problem in rpi-4.14.y, as the USB HID update rate throttling +got (accidentally?) dropped. + +Signed-off-by: Eric Anholt <eric@anholt.net> +--- + drivers/gpu/drm/vc4/vc4_kms.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +--- a/drivers/gpu/drm/vc4/vc4_kms.c ++++ b/drivers/gpu/drm/vc4/vc4_kms.c +@@ -222,7 +222,8 @@ static int vc4_atomic_commit(struct drm_ + * drm_atomic_helper_setup_commit() from auto-completing + * commit->flip_done. + */ +- state->legacy_cursor_update = false; ++ if (!vc4->firmware_kms) ++ state->legacy_cursor_update = false; + ret = drm_atomic_helper_setup_commit(state, nonblock); + if (ret) + return ret; |