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drm/amd/display: try to find matching audio inst for enc inst first

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[Description]
in eDP+ HDMI/DP clone or extended configuration, audio inst changed from inst 1 to inst0.
No failure related this though, just playback device endpoint inst changed.
Also  remove one addition register read.

Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Charlene Liu 2017-11-15 18:55:57 -05:00 committed by Alex Deucher
parent 2b7c97d687
commit cfb071f7a9
2 changed files with 8 additions and 5 deletions
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9
drivers/gpu/drm/amd/display/dc/core/dc_resource.c
View File

@ -1449,11 +1449,16 @@ static struct stream_encoder *find_first_free_match_stream_enc_for_link(
static struct audio *find_first_free_audio(
struct resource_context *res_ctx,
const struct resource_pool *pool)
const struct resource_pool *pool,
enum engine_id id)
{
int i;
for (i = 0; i < pool->audio_count; i++) {
if ((res_ctx->is_audio_acquired[i] == false) && (res_ctx->is_stream_enc_acquired[i] == true)) {
/*we have enough audio endpoint, find the matching inst*/
if (id != i)
continue;
return pool->audios[i];
}
}
@ -1702,7 +1707,7 @@ enum dc_status resource_map_pool_resources(
dc_is_audio_capable_signal(pipe_ctx->stream->signal) &&
stream->audio_info.mode_count) {
pipe_ctx->stream_res.audio = find_first_free_audio(
&context->res_ctx, pool);
&context->res_ctx, pool, pipe_ctx->stream_res.stream_enc->id);
/*
* Audio assigned in order first come first get.

4
drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
View File

@ -87,10 +87,8 @@ static void dce110_update_generic_info_packet(
*/
uint32_t max_retries = 50;
REG_GET(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, &regval);
/*we need turn on clock before programming AFMT block*/
if (regval != 1)
REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1);
REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1);
if (REG(AFMT_VBI_PACKET_CONTROL1)) {
if (packet_index >= 8)