From a1383655cfaa71609d6236ae0fcf3b6047462b98 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 29 Feb 2020 09:25:20 +0100 Subject: bcm27xx: add linux 5.4 support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Tested on bcm2710 (Raspberry Pi 3B). Signed-off-by: Álvaro Fernández Rojas --- ...-t-wait-for-vblank-on-fkms-cursor-updates.patch | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 target/linux/bcm27xx/patches-5.4/950-0108-drm-vc4-Don-t-wait-for-vblank-on-fkms-cursor-updates.patch (limited to 'target/linux/bcm27xx/patches-5.4/950-0108-drm-vc4-Don-t-wait-for-vblank-on-fkms-cursor-updates.patch') diff --git a/target/linux/bcm27xx/patches-5.4/950-0108-drm-vc4-Don-t-wait-for-vblank-on-fkms-cursor-updates.patch b/target/linux/bcm27xx/patches-5.4/950-0108-drm-vc4-Don-t-wait-for-vblank-on-fkms-cursor-updates.patch new file mode 100644 index 0000000000..73525d1c2c --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0108-drm-vc4-Don-t-wait-for-vblank-on-fkms-cursor-updates.patch @@ -0,0 +1,28 @@ +From 345bf435405d58243c39d64a19a130a4a51c7fac Mon Sep 17 00:00:00 2001 +From: Eric Anholt +Date: Mon, 5 Feb 2018 18:53:18 +0000 +Subject: [PATCH] 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 +--- + 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 +@@ -240,7 +240,8 @@ 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; -- cgit v1.2.3