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drm/amd/display: Query GECC enable for SubVP disable

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- We want to disable SubVP if Graphics Error Correction/Correcting Code
  (GECC) is enabled.
- After reading feature caps from DMCUB during init, use the GECC
  enable/disable info to determine if SubVP can be enabled or not.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alvin Lee
2023-04-12 17:06:46 -04:00
committed by Alex Deucher
parent 87f0c16e0e
commit 1938bcdc4b
3 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/amd/display/dc/dc.h
View File

@@ -210,6 +210,7 @@ struct dc_dmub_caps {
bool psr;
bool mclk_sw;
bool subvp_psr;
bool gecc_enable;
};
struct dc_caps {

1
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
View File

@@ -945,6 +945,7 @@ void dcn32_init_hw(struct dc *dc)
dc_dmub_srv_query_caps_cmd(dc->ctx->dmub_srv);
dc->caps.dmub_caps.psr = dc->ctx->dmub_srv->dmub->feature_caps.psr;
dc->caps.dmub_caps.subvp_psr = dc->ctx->dmub_srv->dmub->feature_caps.subvp_psr_support;
dc->caps.dmub_caps.gecc_enable = dc->ctx->dmub_srv->dmub->feature_caps.gecc_enable;
dc->caps.dmub_caps.mclk_sw = dc->ctx->dmub_srv->dmub->feature_caps.fw_assisted_mclk_switch;
}
}

2
drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
View File

@@ -1141,7 +1141,7 @@ static void dcn32_full_validate_bw_helper(struct dc *dc,
* 4. Display configuration passes validation
* 5. (Config doesn't support MCLK in VACTIVE/VBLANK || dc->debug.force_subvp_mclk_switch)
*/
if (!dc->debug.force_disable_subvp && dcn32_all_pipes_have_stream_and_plane(dc, context) &&
if (!dc->debug.force_disable_subvp && !dc->caps.dmub_caps.gecc_enable && dcn32_all_pipes_have_stream_and_plane(dc, context) &&
!dcn32_mpo_in_use(context) && !dcn32_any_surfaces_rotated(dc, context) &&
(*vlevel == context->bw_ctx.dml.soc.num_states ||
vba->DRAMClockChangeSupport[*vlevel][vba->maxMpcComb] == dm_dram_clock_change_unsupported ||