From 0f6d04457a64f2393b05f662dc8d381ea1963c66 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Mon, 16 Mar 2020 20:41:03 +0100 Subject: bcm27xx: sync 5.4 patches with RPi Foundation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- ...-synchronization-firmwarekms-against-GL-r.patch | 44 ++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 target/linux/bcm27xx/patches-5.4/950-0230-drm-vc4-Fix-synchronization-firmwarekms-against-GL-r.patch (limited to 'target/linux/bcm27xx/patches-5.4/950-0230-drm-vc4-Fix-synchronization-firmwarekms-against-GL-r.patch') diff --git a/target/linux/bcm27xx/patches-5.4/950-0230-drm-vc4-Fix-synchronization-firmwarekms-against-GL-r.patch b/target/linux/bcm27xx/patches-5.4/950-0230-drm-vc4-Fix-synchronization-firmwarekms-against-GL-r.patch new file mode 100644 index 0000000000..ccd6de065c --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0230-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 +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 +--- + 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, -- cgit v1.2.3