AuxXxilium/linux_dsm_epyc7002
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drm/amd/display: arbitration find the matching dig-az first.

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[Description]
this change is in branch already.
without this change, after resume, az_inst might swapped.

Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@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 2017-09-28 15:38:01 -04:00 committed by Alex Deucher
parent b7901be0ed
commit 66bfd4fd17
1 changed files with 8 additions and 12 deletions
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20
drivers/gpu/drm/amd/display/dc/core/dc_resource.c
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@ -1417,19 +1417,15 @@ static struct audio *find_first_free_audio(
const struct resource_pool *pool)
{
int i;
if (pool->audio_count >= pool->stream_enc_count) {
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, no need to do dynamic distribution*/
return pool->audios[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)) {
return pool->audios[i];
}
} else { /*first come first serve*/
for (i = 0; i < pool->audio_count; i++) {
if (res_ctx->is_audio_acquired[i] == false) {
return pool->audios[i];
}
}
/*not found the matching one, first come first serve*/
for (i = 0; i < pool->audio_count; i++) {
if (res_ctx->is_audio_acquired[i] == false) {
return pool->audios[i];
}
}
return 0;