[PATCH 5.3 055/166] drm/amd/display: support spdif

Greg Kroah-Hartman
2019-10-06T17:50:03Z

From: Charlene Liu <charlene.liu@amd.com>

[ Upstream commit b5a41620bb88efb9fb31a4fa5e652e3d5bead7d4 ]

[Description]
port spdif fix to staging:
spdif hardwired to afmt inst 1.
spdif func pointer
spdif resource allocation (reserve last audio endpoint for spdif only)

Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
.../gpu/drm/amd/display/dc/core/dc_resource.c | 17 ++++++++---------
drivers/gpu/drm/amd/display/dc/dce/dce_audio.c | 4 ++--
2 files changed, 10 insertions(+), 11 deletions(-)

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 2ceaab4fb5deb..68db60e4caf32 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -265,12 +265,10 @@ bool resource_construct(
DC_ERR("DC: failed to create audio!\n");
return false;
}
-
if (!aud->funcs->endpoint_valid(aud)) {
aud->funcs->destroy(&aud);
break;
}
-
pool->audios[i] = aud;
pool->audio_count++;
}
@@ -1659,24 +1657,25 @@ static struct audio *find_first_free_audio(
const struct resource_pool *pool,
enum engine_id id)
{
- int i;
- for (i = 0; i < pool->audio_count; i++) {
+ int i, available_audio_count;
+
+ available_audio_count = pool->audio_count;
+
+ for (i = 0; i < available_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];
}
}

- /* use engine id to find free audio */
- if ((id < pool->audio_count) && (res_ctx->is_audio_acquired[id] == false)) {
+ /* use engine id to find free audio */
+ if ((id < available_audio_count) && (res_ctx->is_audio_acquired[id] == false)) {
return pool->audios[id];
}
-
/*not found the matching one, first come first serve*/
- for (i = 0; i < pool->audio_count; i++) {
+ for (i = 0; i < available_audio_count; i++) {
if (res_ctx->is_audio_acquired[i] == false) {
return pool->audios[i];
}
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c b/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c
index 4a10a5d22c90b..5de9623bdf66b 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c
@@ -613,6 +613,8 @@ void dce_aud_az_configure(

AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO1,
value);
+ DC_LOG_HW_AUDIO("\n\tAUDIO:az_configure: index: %u data, 0x%x, displayName %s: \n",
+ audio->inst, value, audio_info->display_name);

/*
*write the port ID:
@@ -922,7 +924,6 @@ static const struct audio_funcs funcs = {
.az_configure = dce_aud_az_configure,
.destroy = dce_aud_destroy,
};
-
void dce_aud_destroy(struct audio **audio)
{
struct dce_audio *aud = DCE_AUD(*audio);
@@ -953,7 +954,6 @@ struct audio *dce_audio_create(
audio->regs = reg;
audio->shifts = shifts;
audio->masks = masks;
-
return &audio->base;
}

--
2.20.1