drm/amd/display: Bug in dce_is_panel_backlight_on()

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[Why]
dce_is_panel_backlight_on() will return wrong value if
LVTMA_BLON_OVRD is 0

[How]
When LVTMA_BLON_OVRD is 0, read
LVTMA_PWRSEQ_TARGET_STATE instead

Signed-off-by: Peikang Zhang <peikang.zhang@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Peikang Zhang 2020-09-03 13:45:07 -04:00 • committed by Alex Deucher

parent c15bc8d285

commit cbf229bbcb

2 changed files with 11 additions and 3 deletions

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10

drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.c

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4

drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.h

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