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authorAlvin Lee <Alvin.Lee2@amd.com>2022-09-15 10:47:34 -0400
committerAlex Deucher <alexander.deucher@amd.com>2022-09-29 09:41:45 -0400
commita6135ddec2258cd52b5c8d20b45bbaa29b80c5a0 (patch)
tree744dd1f503c2f9de00b14897c4e888addb40aa2c /drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
parentc02e6444117f112bea468d3615ad6293cc7de64e (diff)
downloadlinux-a6135ddec2258cd52b5c8d20b45bbaa29b80c5a0.tar.gz
drm/amd/display: Disable MALL when TMZ surface
[Description] - Don't use MALL buffering of any kind when the surface is TMZ - Workaround for a HW bug Reviewed-by: Jun Lei <Jun.Lei@amd.com> Acked-by: Jasdeep Dhillon <jdhillon@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>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c18
1 files changed, 10 insertions, 8 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 ba45b222d387..2242c87f7962 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
@@ -369,7 +369,7 @@ bool dcn32_apply_idle_power_optimizations(struct dc *dc, bool enable)
union dmub_rb_cmd cmd;
uint8_t ways, i;
int j;
- bool stereo_in_use = false;
+ bool mall_ss_unsupported = false;
struct dc_plane_state *plane = NULL;
if (!dc->ctx->dmub_srv)
@@ -400,22 +400,23 @@ bool dcn32_apply_idle_power_optimizations(struct dc *dc, bool enable)
*/
ways = dcn32_calculate_cab_allocation(dc, dc->current_state);
- /* MALL not supported with Stereo3D. If any plane is using stereo,
- * don't try to enter MALL.
+ /* MALL not supported with Stereo3D or TMZ surface. If any plane is using stereo,
+ * or TMZ surface, 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;
+ if (plane->address.type == PLN_ADDR_TYPE_GRPH_STEREO ||
+ plane->address.tmz_surface) {
+ mall_ss_unsupported = true;
break;
}
}
- if (stereo_in_use)
+ if (mall_ss_unsupported)
break;
}
- if (ways <= dc->caps.cache_num_ways && !stereo_in_use) {
+ if (ways <= dc->caps.cache_num_ways && !mall_ss_unsupported) {
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;
@@ -773,7 +774,8 @@ void dcn32_update_mall_sel(struct dc *dc, struct dc_state *context)
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 &&
- pipe->plane_state->address.type != PLN_ADDR_TYPE_GRPH_STEREO ? 2 : 0,
+ pipe->plane_state->address.type != PLN_ADDR_TYPE_GRPH_STEREO &&
+ !pipe->plane_state->address.tmz_surface ? 2 : 0,
cache_cursor);
}
}