]> git.baikalelectronics.ru Git - kernel.git/commit
drm/exynos: fimd: only finish update if START == START_S
authorGustavo Padovan <gustavo.padovan@collabora.co.uk>
Sat, 15 Aug 2015 16:26:16 +0000 (13:26 -0300)
committerInki Dae <daeinki@gmail.com>
Sun, 30 Aug 2015 15:27:37 +0000 (00:27 +0900)
commitf882cd6dbbd0cf2dfbcad8b908e1c3814300a03e
treead4d284b8f326ac5ca2cd33c33d854bafe17c275
parent4cc9417f00a4ddb0f8f61475afe22aae1a4a39b0
drm/exynos: fimd: only finish update if START == START_S

fimd_update_plane() programs BUF_START[win] and during the update
BUF_START[win] is copied to BUF_START_S[win] (its shadow register)
and starts scanning out, then it raises a irq.

The fimd_irq_handler, in the case we have a pending_fb, will check
the fb value was copied to START_S register and finish the update
in case of success.

Based on patch from Daniel Kurtz <djkurtz@chromium.org>

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
drivers/gpu/drm/exynos/exynos_drm_fimd.c