drm/amd/display: fix regamma build optimization

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[Why]
When the global variable pow_buffer_ptr is set to -1, by definition
optimizations should not be used to build the regamma. Since
translate_from_linear_space unconditionally increments this global, it
inadvertently enables the optimization.

[How]
Increment pow_buffer_ptr only if it is not -1.

Signed-off-by: Josip Pavic <Josip.Pavic@amd.com>
Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Josip Pavic 2019-11-26 12:26:14 -05:00 • committed by Alex Deucher

parent 8d5bc3a5b8

commit d87dedb1ec

1 changed files with 4 additions and 2 deletions

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drivers/gpu/drm/amd/display/modules/color/color_gamma.c

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