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authorNeil Armstrong <narmstrong@baylibre.com>2018-02-15 11:19:36 +0100
committerNeil Armstrong <narmstrong@baylibre.com>2018-02-20 10:03:52 +0100
commite88230a3744a71a0b5ecfb45e08ddfe1c884e50d (patch)
treefb1b5907fe2c0d8b50dc91d0ca9c49b6707be96e /Documentation
parentb8ff1802815913aad52695898cccbc9f77b7e726 (diff)
drm/meson: fix vsync buffer update
The plane buffer address/stride/height was incorrectly updated in the plane_atomic_update operation instead of the vsync irq. This patch delays this operation in the vsync irq along with the other plane delayed setup. This issue was masked using legacy framebuffer and X11 modesetting, but is clearly visible using gbm rendering when buffer is submitted late after vblank, like using software decoding and OpenGL rendering in Kodi. With this patch, tearing and other artifacts disappears completely. Cc: Michal Lazo <michal.lazo@gmail.com> Fixes: bbbe775ec5b5 ("drm: Add support for Amlogic Meson Graphic Controller") Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/1518689976-23292-1-git-send-email-narmstrong@baylibre.com
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