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From bf01c164aaae9cab2005222201aeb58cb123433c Mon Sep 17 00:00:00 2001
From: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Date: Mon, 27 May 2019 10:57:24 -0400
Subject: [PATCH 2075/2940] 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>
---
drivers/gpu/drm/amd/display/modules/color/color_gamma.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
index 89a65e1d8317..8601d371776e 100644
--- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
+++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
@@ -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);
--
2.17.1
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