[PATCH 29/32] drm/amd/display: Don't try to enter MALL SS if stereo3d
Tom Chung
chiahsuan.chung at amd.com
Fri Aug 5 17:58:23 UTC 2022
From: Alvin Lee <alvin.lee2 at amd.com>
[Description]
MALL not supported with stereo3D according
to DCN doc.
Reviewed-by: Jun Lei <Jun.Lei at amd.com>
Acked-by: Tom Chung <chiahsuan.chung at amd.com>
Signed-off-by: Alvin Lee <alvin.lee2 at amd.com>
---
.../drm/amd/display/dc/dcn32/dcn32_hwseq.c | 26 ++++++++++++++++---
1 file changed, 23 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
index 5ba503d80728..4aecbf230446 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
@@ -331,7 +331,9 @@ static uint32_t dcn32_calculate_cab_allocation(struct dc *dc, struct dc_state *c
bool dcn32_apply_idle_power_optimizations(struct dc *dc, bool enable)
{
union dmub_rb_cmd cmd;
- uint8_t ways;
+ uint8_t ways, i, j;
+ bool stereo_in_use = false;
+ struct dc_plane_state *plane = NULL;
if (!dc->ctx->dmub_srv)
return false;
@@ -360,7 +362,23 @@ bool dcn32_apply_idle_power_optimizations(struct dc *dc, bool enable)
* and configure HUBP's to fetch from MALL
*/
ways = dcn32_calculate_cab_allocation(dc, dc->current_state);
- if (ways <= dc->caps.cache_num_ways) {
+
+ /* MALL not supported with Stereo3D. If any plane is using stereo,
+ * don't try to enter MALL.
+ */
+ for (i = 0; i < dc->current_state->stream_count; i++) {
+ for (j = 0; j < dc->current_state->stream_status[i].plane_count; j++) {
+ plane = dc->current_state->stream_status[i].plane_states[j];
+
+ if (plane->address.type == PLN_ADDR_TYPE_GRPH_STEREO) {
+ stereo_in_use = true;
+ break;
+ }
+ }
+ if (stereo_in_use)
+ break;
+ }
+ if (ways <= dc->caps.cache_num_ways && !stereo_in_use) {
memset(&cmd, 0, sizeof(cmd));
cmd.cab.header.type = DMUB_CMD__CAB_FOR_SS;
cmd.cab.header.sub_type = DMUB_CMD__CAB_DCN_SS_FIT_IN_CAB;
@@ -694,9 +712,11 @@ void dcn32_update_mall_sel(struct dc *dc, struct dc_state *context)
if (pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) {
hubp->funcs->hubp_update_mall_sel(hubp, 1, false);
} else {
+ // MALL not supported with Stereo3D
hubp->funcs->hubp_update_mall_sel(hubp,
num_ways <= dc->caps.cache_num_ways &&
- pipe->stream->link->psr_settings.psr_version == DC_PSR_VERSION_UNSUPPORTED ? 2 : 0,
+ pipe->stream->link->psr_settings.psr_version == DC_PSR_VERSION_UNSUPPORTED &&
+ pipe->plane_state->address.type != PLN_ADDR_TYPE_GRPH_STEREO ? 2 : 0,
cache_cursor);
}
}
--
2.25.1
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