diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/2851-drm-amd-display-Expose-audio-inst-from-DC-to-DM.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/2851-drm-amd-display-Expose-audio-inst-from-DC-to-DM.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/2851-drm-amd-display-Expose-audio-inst-from-DC-to-DM.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/2851-drm-amd-display-Expose-audio-inst-from-DC-to-DM.patch new file mode 100644 index 00000000..add3c248 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/2851-drm-amd-display-Expose-audio-inst-from-DC-to-DM.patch @@ -0,0 +1,52 @@ +From d01faa97ae2e0b6a6598d3511b6f9e53cc2746ad Mon Sep 17 00:00:00 2001 +From: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> +Date: Fri, 28 Jun 2019 13:39:41 -0400 +Subject: [PATCH 2851/2940] drm/amd/display: Expose audio inst from DC to DM + +[Why] +In order to give pin notifications to the sound driver from DM we need +to know whether audio is enabled on a stream and what pin it's using +from DC. + +[How] +Expose the instance via stream status if it's a mapped resource for +the stream. It will be -1 if there's no audio mapped. + +Cc: Leo Li <sunpeng.li@amd.com> +Cc: Harry Wentland <harry.wentland@amd.com> +Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 3 +++ + drivers/gpu/drm/amd/display/dc/dc_stream.h | 1 + + 2 files changed, 4 insertions(+) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +index d10ebfd33a60..5b85139fb3ce 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +@@ -2008,6 +2008,9 @@ enum dc_status resource_map_pool_resources( + if (context->streams[i] == stream) { + context->stream_status[i].primary_otg_inst = pipe_ctx->stream_res.tg->inst; + context->stream_status[i].stream_enc_inst = pipe_ctx->stream_res.stream_enc->id; ++ context->stream_status[i].audio_inst = ++ pipe_ctx->stream_res.audio ? pipe_ctx->stream_res.audio->inst : -1; ++ + return DC_OK; + } + +diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h +index e253a5c591f6..0fa1c26bc20d 100644 +--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h ++++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h +@@ -42,6 +42,7 @@ struct dc_stream_status { + int primary_otg_inst; + int stream_enc_inst; + int plane_count; ++ int audio_inst; + struct timing_sync_info timing_sync_info; + struct dc_plane_state *plane_states[MAX_SURFACE_NUM]; + }; +-- +2.17.1 + |