linux/drivers/gpu
Roman Li e27430c1f1 drm/amd/display: Cap OLED brightness per max frame-average luminance
commit 4fd17f2ac0 upstream.

[Why]
For OLED eDP the Display Manager uses max_cll value as a limit
for brightness control.
max_cll defines the content light luminance for individual pixel.
Whereas max_fall defines frame-average level luminance.
The user may not observe the difference in brightness in between
max_fall and max_cll.
That negatively impacts the user experience.

[How]
Use max_fall value instead of max_cll as a limit for brightness control.

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-06-22 14:13:19 +02:00
..
drm drm/amd/display: Cap OLED brightness per max frame-average luminance 2022-06-22 14:13:19 +02:00
host1x gpu: host1x: Fix a memory leak in 'host1x_remove()' 2022-04-08 14:40:18 +02:00
ipu-v3 gpu: ipu-v3: Fix dev_dbg frequency output 2022-04-20 09:23:22 +02:00
trace
vga
Makefile