6.11-stable review patch. If anyone has any objections, please let me know.
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From: Rodrigo Siqueira Rodrigo.Siqueira@amd.com
[ Upstream commit 17b6527dcfb3249401e037734ed3fd0f4752572f ]
[why & how] When the commit 5324e2b205a2 ("drm/amd/display: Add driver support for future FAMS versions") was introduced, it missed some of the FAM2 code. This commit introduces the code that control the FAM enable and disable.
Fixes: 5324e2b205a2 ("drm/amd/display: Add driver support for future FAMS versions") Acked-by: Wayne Lin wayne.lin@amd.com Signed-off-by: Rodrigo Siqueira Rodrigo.Siqueira@amd.com Signed-off-by: Tom Chung chiahsuan.chung@amd.com Tested-by: Daniel Wheeler daniel.wheeler@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- .../gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c index 05d8f81daa064..f4eb28206bcb2 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c @@ -982,8 +982,19 @@ void dcn32_init_hw(struct dc *dc) 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_ver;
- if (dc->ctx->dmub_srv->dmub->fw_version < + /* for DCN401 testing only */ + dc->caps.dmub_caps.fams_ver = dc->ctx->dmub_srv->dmub->feature_caps.fw_assisted_mclk_switch_ver; + if (dc->caps.dmub_caps.fams_ver == 2) { + /* FAMS2 is enabled */ + dc->debug.fams2_config.bits.enable &= true; + } else if (dc->ctx->dmub_srv->dmub->fw_version < DMUB_FW_VERSION(7, 0, 35)) { + /* FAMS2 is disabled */ + dc->debug.fams2_config.bits.enable = false; + if (dc->debug.using_dml2 && dc->res_pool->funcs->update_bw_bounding_box) { + /* update bounding box if FAMS2 disabled */ + dc->res_pool->funcs->update_bw_bounding_box(dc, dc->clk_mgr->bw_params); + } dc->debug.force_disable_subvp = true; dc->debug.disable_fpo_optimizations = true; }