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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-5.4/950-0226-drm-vc4-Fix-synchronization-firmwarekms-against-GL-r.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-5.4/950-0226-drm-vc4-Fix-synchronization-firmwarekms-against-GL-r.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0226-drm-vc4-Fix-synchronization-firmwarekms-against-GL-r.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0226-drm-vc4-Fix-synchronization-firmwarekms-against-GL-r.patch b/target/linux/bcm27xx/patches-5.4/950-0226-drm-vc4-Fix-synchronization-firmwarekms-against-GL-r.patch new file mode 100644 index 0000000000..ccd6de065c --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0226-drm-vc4-Fix-synchronization-firmwarekms-against-GL-r.patch @@ -0,0 +1,44 @@ +From 87df00d6b301f5de54443ac7e3765dce983e8b6a Mon Sep 17 00:00:00 2001 +From: Eric Anholt <eric@anholt.net> +Date: Thu, 28 Mar 2019 11:58:51 -0700 +Subject: [PATCH] drm/vc4: Fix synchronization firmwarekms against GL + rendering. + +We would present the framebuffer immediately without waiting for +rendering to finish first, resulting in stuttering and flickering as a +window was dragged around when the GPU was busy enough to not just win +the race. + +Signed-off-by: Eric Anholt <eric@anholt.net> +--- + drivers/gpu/drm/vc4/vc4_firmware_kms.c | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c ++++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c +@@ -15,6 +15,7 @@ + */ + + #include "drm/drm_atomic_helper.h" ++#include "drm/drm_gem_framebuffer_helper.h" + #include "drm/drm_plane_helper.h" + #include "drm/drm_crtc_helper.h" + #include "drm/drm_fourcc.h" +@@ -291,7 +292,7 @@ static const struct drm_plane_funcs vc4_ + }; + + static const struct drm_plane_helper_funcs vc4_primary_plane_helper_funcs = { +- .prepare_fb = NULL, ++ .prepare_fb = drm_gem_fb_prepare_fb, + .cleanup_fb = NULL, + .atomic_check = vc4_plane_atomic_check, + .atomic_update = vc4_primary_plane_atomic_update, +@@ -299,7 +300,7 @@ static const struct drm_plane_helper_fun + }; + + static const struct drm_plane_helper_funcs vc4_cursor_plane_helper_funcs = { +- .prepare_fb = NULL, ++ .prepare_fb = drm_gem_fb_prepare_fb, + .cleanup_fb = NULL, + .atomic_check = vc4_plane_atomic_check, + .atomic_update = vc4_cursor_plane_atomic_update, |