linux-uconsole/drivers/gpu/drm/amd/display
Thomas Anderson 840c90fce6 drm/amd/display: Reduce HDMI pixel encoding if max clock is exceeded
For high-res (8K) or HFR (4K120) displays, using uncompressed pixel
formats like YCbCr444 would exceed the bandwidth of HDMI 2.0, so the
"interesting" modes would be disabled, leaving only low-res or low
framerate modes.

This change lowers the pixel encoding to 4:2:2 or 4:2:0 if the max TMDS
clock is exceeded. Verified that 8K30 and 4K120 are now available and
working with a Samsung Q900R over an HDMI 2.0b link from a Radeon 5700.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Thomas Anderson <thomasanderson@google.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-01-07 11:29:47 -05:00
..
amdgpu_dm drm/amd/display: Reduce HDMI pixel encoding if max clock is exceeded 2020-01-07 11:29:47 -05:00
dc drm/amdgpu: fix license on Kconfig and Makefiles 2019-12-11 14:29:38 -05:00
include drm/amd/display: fixed that I2C over AUX didn't read data issue 2019-12-05 18:18:49 -05:00
modules drm/amd/display: Fix screen tearing on vrr tests 2019-12-05 18:22:40 -05:00
Kconfig drm/amdgpu: fix license on Kconfig and Makefiles 2019-12-11 14:29:38 -05:00
Makefile drm/amd/display: Add HDCP module 2019-10-03 09:10:58 -05:00
TODO drm/amd/display: Convert remaining loggers off dc_logger 2018-07-13 14:48:42 -05:00