diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/5434-drm-amd-display-fix-gamma-not-being-applied.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/5434-drm-amd-display-fix-gamma-not-being-applied.patch | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/5434-drm-amd-display-fix-gamma-not-being-applied.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/5434-drm-amd-display-fix-gamma-not-being-applied.patch new file mode 100644 index 00000000..c0411940 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/5434-drm-amd-display-fix-gamma-not-being-applied.patch @@ -0,0 +1,81 @@ +From 8aacd6af0e45ec33a1b85359af8b1138b6cf0afe Mon Sep 17 00:00:00 2001 +From: SivapiriyanKumarasamy <sivapiriyan.kumarasamy@amd.com> +Date: Wed, 12 Sep 2018 14:15:42 -0400 +Subject: [PATCH 5434/5725] drm/amd/display: fix gamma not being applied + +[WHY] +Previously night light forced a full update by +applying a transfer function update regardless of if it was changed. +This logic was removed, + +Now gamma surface updates are only applied when there is also a plane +info update, this does not work in cases such as using the night light +slider. + +[HOW] +When moving the night light slider we will perform a full update if +the gamma has changed and there is a surface, even when the surface +has not changed. Also get stream updates in setgamma prior to +update planes and stream. + +Change-Id: I6d960892fb981b7b94919c3060b891f7ce1d091c +Signed-off-by: SivapiriyanKumarasamy <sivapiriyan.kumarasamy@amd.com> +Reviewed-by: Anthony Koo <Anthony.Koo@amd.com> +Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> +--- + drivers/gpu/drm/amd/display/dc/core/dc.c | 19 ++++++++++++++----- + 1 file changed, 14 insertions(+), 5 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c +index bdb03be..dd8babd 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c +@@ -1202,9 +1202,6 @@ static enum surface_update_type get_plane_info_update_type(const struct dc_surfa + */ + update_flags->bits.bpp_change = 1; + +- if (u->gamma && dce_use_lut(u->plane_info->format)) +- update_flags->bits.gamma_change = 1; +- + if (memcmp(&u->plane_info->tiling_info, &u->surface->tiling_info, + sizeof(union dc_tiling_info)) != 0) { + update_flags->bits.swizzle_change = 1; +@@ -1221,7 +1218,6 @@ static enum surface_update_type get_plane_info_update_type(const struct dc_surfa + if (update_flags->bits.rotation_change + || update_flags->bits.stereo_format_change + || update_flags->bits.pixel_format_change +- || update_flags->bits.gamma_change + || update_flags->bits.bpp_change + || update_flags->bits.bandwidth_change + || update_flags->bits.output_tf_change) +@@ -1311,13 +1307,26 @@ static enum surface_update_type det_surface_update(const struct dc *dc, + if (u->coeff_reduction_factor) + update_flags->bits.coeff_reduction_change = 1; + ++ if (u->gamma) { ++ enum surface_pixel_format format = SURFACE_PIXEL_FORMAT_GRPH_BEGIN; ++ ++ if (u->plane_info) ++ format = u->plane_info->format; ++ else if (u->surface) ++ format = u->surface->format; ++ ++ if (dce_use_lut(format)) ++ update_flags->bits.gamma_change = 1; ++ } ++ + if (update_flags->bits.in_transfer_func_change) { + type = UPDATE_TYPE_MED; + elevate_update_type(&overall_type, type); + } + + if (update_flags->bits.input_csc_change +- || update_flags->bits.coeff_reduction_change) { ++ || update_flags->bits.coeff_reduction_change ++ || update_flags->bits.gamma_change) { + type = UPDATE_TYPE_FULL; + elevate_update_type(&overall_type, type); + } +-- +2.7.4 + |