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drm/amd/display: Don't try to enter MALL SS if stereo3d

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[Description]
MALL not supported with stereo3D according
to DCN doc.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alvin Lee 2022-07-28 10:02:25 -04:00 • committed by Alex Deucher
parent 84ef99c728
commit f0068dd0ef
1 changed files with 23 additions and 3 deletions
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26
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
View file

@ -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);
}
}