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drm/amd/display: fix gamma logic breaking driver unload 

Using this logic breaks driver unload, this is a temporary fix
a followup patch will properly fix this

Signed-off-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Krunoslav Kovac 2019-05-27 10:57:24 -04:00 committed by Alex Deucher
parent abe882a39a
commit 0d44494af1
1 changed files with 2 additions and 4 deletions
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6
drivers/gpu/drm/amd/display/modules/color/color_gamma.c
View File

@ -1569,15 +1569,13 @@ bool mod_color_calculate_regamma_params(struct dc_transfer_func *output_tf,
output_tf->tf == TRANSFER_FUNCTION_SRGB) {
if (ramp == NULL)
return true;
if ((ramp->is_identity && ramp->type != GAMMA_CS_TFM_1D) ||
(!mapUserRamp && ramp->type == GAMMA_RGB_256))
if (ramp->is_identity || (!mapUserRamp && ramp->type == GAMMA_RGB_256))
return true;
}
output_tf->type = TF_TYPE_DISTRIBUTED_POINTS;
if (ramp && ramp->type != GAMMA_CS_TFM_1D &&
(mapUserRamp || ramp->type != GAMMA_RGB_256)) {
if (ramp && (mapUserRamp || ramp->type != GAMMA_RGB_256)) {
rgb_user = kvcalloc(ramp->num_entries + _EXTRA_POINTS,
sizeof(*rgb_user),
GFP_KERNEL);