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4 Commits

Author SHA1 Message Date
David Lechner
8941a7cbcc drm/tinydrm: Generalize tinydrm_xrgb8888_to_gray8() 
This adds parameters for vaddr and clip to tinydrm_xrgb8888_to_gray8() to
make it more generic.

dma_buf_{begin,end}_cpu_access() are moved out to the repaper driver.

Return type is change to void to simplify error handling by callers.

Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1502127581-10517-2-git-send-email-david@lechnology.com
 2017-08-09 17:55:50 +02:00
Noralf Trønnes
379ea9a1a5 drm/tinydrm: Add tinydrm_xrgb8888_to_gray8() helper 
Drm has no monochrome or greyscale support so add a conversion
from the common format XR24.

Also reorder includes into the common order.

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1496934875-51984-4-git-send-email-noralf@tronnes.org
 2017-07-14 19:29:59 +02:00
Noralf Trønnes
7fef80a4b9 drm/tinydrm: helpers: Properly fix backlight dependency 
BACKLIGHT_CLASS_DEVICE was selected in the last version of the
tinydrm patchset to fix the backlight dependency, but the
ifdef CONFIG_BACKLIGHT_CLASS_DEVICE was forgotten. Fix that.

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
 2017-02-24 12:09:00 +10:00
Noralf Trønnes
9f69eb5c36 drm/tinydrm: Add helper functions 
Add common functionality needed by many tinydrm drivers.

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Thierry Reding <treding@nvidia.com>
 2017-02-18 18:04:59 +01:00