drm/vc4: hdmi: Block odd horizontal timings

Browse source

The FIFO between the pixelvalve and the HDMI controller runs at 2 pixels
per clock cycle, and cannot deal with odd timings.

Let's reject any mode with such timings.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201029122522.1917579-2-maxime@cerno.tech

...

This commit is contained in:

Maxime Ripard 2020-10-29 13:25:22 +01:00

parent 63495f6b4a

commit 57fb32e632

No known key found for this signature in database

GPG key ID: E3EF0D6F671851C5

2 changed files with 15 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

12

drivers/gpu/drm/vc4/vc4_hdmi.c

View file

3

drivers/gpu/drm/vc4/vc4_hdmi.h

View file