diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4692-drm-amd-display-add-DP-protocol-version.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4692-drm-amd-display-add-DP-protocol-version.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4692-drm-amd-display-add-DP-protocol-version.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4692-drm-amd-display-add-DP-protocol-version.patch new file mode 100644 index 00000000..e75d2606 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4692-drm-amd-display-add-DP-protocol-version.patch @@ -0,0 +1,61 @@ +From fe8a3a4343e0503c30cb22f11ebd949daab072b2 Mon Sep 17 00:00:00 2001 +From: Anthony Koo <Anthony.Koo@amd.com> +Date: Wed, 13 Nov 2019 14:04:56 -0500 +Subject: [PATCH 4692/4736] drm/amd/display: add DP protocol version + +[Why] +We want to know DP protocol version + +[How] +In DC create we initialize a cap to indicate the max +DP protocol version supported + +Change-Id: I9a5a356fa1ec008037ce3c27fc2872da83855f1f +Signed-off-by: Anthony Koo <Anthony.Koo@amd.com> +Reviewed-by: Aric Cyr <Aric.Cyr@amd.com> +Acked-by: Leo Li <sunpeng.li@amd.com> +Signed-off-by: Rahul Kumar <rahul.kumar1@amd.com> +--- + drivers/gpu/drm/amd/display/dc/core/dc.c | 2 ++ + drivers/gpu/drm/amd/display/dc/dc.h | 5 +++++ + 2 files changed, 7 insertions(+) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c +index 1e4919687ece..97da6384348a 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c +@@ -820,6 +820,8 @@ struct dc *dc_create(const struct dc_init_data *init_params) + dc->caps.max_audios = dc->res_pool->audio_count; + dc->caps.linear_pitch_alignment = 64; + ++ dc->caps.max_dp_protocol_version = DP_VERSION_1_4; ++ + /* Populate versioning information */ + dc->versions.dc_ver = DC_VER; + +diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h +index df833b6937a1..f4884548e77e 100644 +--- a/drivers/gpu/drm/amd/display/dc/dc.h ++++ b/drivers/gpu/drm/amd/display/dc/dc.h +@@ -54,6 +54,10 @@ struct dc_versions { + struct dmcu_version dmcu_version; + }; + ++enum dp_protocol_version { ++ DP_VERSION_1_4, ++}; ++ + enum dc_plane_type { + DC_PLANE_TYPE_INVALID, + DC_PLANE_TYPE_DCE_RGB, +@@ -114,6 +118,7 @@ struct dc_caps { + bool extended_aux_timeout_support; + bool dmcub_support; + bool hw_3d_lut; ++ enum dp_protocol_version max_dp_protocol_version; + struct dc_plane_cap planes[MAX_PLANES]; + }; + +-- +2.17.1 + |