| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.14 067/172] drm/amd/display: initialize backlight_ramping_override to false | Date | Mon, 4 Oct 2021 14:51:57 +0200 |
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From: Josip Pavic <Josip.Pavic@amd.com>
commit 467a51b69d0828887fb1b6719159a6b16da688f8 upstream.
[Why] Stack variable params.backlight_ramping_override is uninitialized, so it contains junk data
[How] Initialize the variable to false
Reviewed-by: Roman Li <Roman.Li@amd.com> Acked-by: Anson Jacob <Anson.Jacob@amd.com> Signed-off-by: Josip Pavic <Josip.Pavic@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> --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1724,6 +1724,7 @@ static int dm_late_init(void *handle) linear_lut[i] = 0xFFFF * i / 15; params.set = 0; + params.backlight_ramping_override = false; params.backlight_ramping_start = 0xCCCC; params.backlight_ramping_reduction = 0xCCCCCCCC; params.backlight_lut_array_size = 16;
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