diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/2075-drm-amd-display-fix-gamma-logic-breaking-driver-unlo.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/2075-drm-amd-display-fix-gamma-logic-breaking-driver-unlo.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/2075-drm-amd-display-fix-gamma-logic-breaking-driver-unlo.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/2075-drm-amd-display-fix-gamma-logic-breaking-driver-unlo.patch new file mode 100644 index 00000000..2b4d8495 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/2075-drm-amd-display-fix-gamma-logic-breaking-driver-unlo.patch @@ -0,0 +1,41 @@ +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 + |