diff options
| author | Iswara Nagulendran <[email protected]> | 2023-09-29 11:20:46 -0400 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2023-10-26 19:02:22 -0400 |
| commit | b231933da7d6be53d08139f8adf2560a90b47ca9 (patch) | |
| tree | c9bd2b20430ea88274f870ae26a4cb9bef47fa47 /lib/test_fortify/write_overflow-strncpy-src.c | |
| parent | 1b9ec7cb424441de67d09c3abad46467f82ff161 (diff) | |
drm/amd/display: Read before writing Backlight Mode Set Register
[HOW&WHY]
Reading the value from
DP_EDP_BACKLIGHT_MODE_SET_REGISTER, DPCD 0x721
before setting the
BP_EDP_PANEL_LUMINANC_CONTROL_ENABLE bit
to ensure there are no accidental overwrites.
Reviewed-by: Sreeja Golui <[email protected]>
Reviewed-by: Harry Vanzylldejong <[email protected]>
Acked-by: Roman Li <[email protected]>
Signed-off-by: Iswara Nagulendran <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'lib/test_fortify/write_overflow-strncpy-src.c')
0 files changed, 0 insertions, 0 deletions