From: Ivan Lipski Date: Tue, 9 Sep 2025 18:15:05 +0000 (-0400) Subject: drm/amd/display: Enable DTM v3 on dGPUs with DCN 3.1+ X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=3451021a9e153e3f3067c90429c8317c126e159e;p=users%2Fhch%2Fmisc.git drm/amd/display: Enable DTM v3 on dGPUs with DCN 3.1+ [Why&How] Right now, only selected APUs have enabled DTM v3, which allows to use newer firmware for content protection. We want to enable it on the dGPUs starting with DCN 3.2 Reviewed-by: Aurabindo Pillai Signed-off-by: Ivan Lipski Tested-by: Dan Wheeler Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c index 58e084f52526..19038f336155 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c @@ -768,14 +768,18 @@ struct hdcp_workqueue *hdcp_create_workqueue(struct amdgpu_device *adev, struct mod_hdcp_ddc_funcs *ddc_funcs = &config->ddc.funcs; config->psp.handle = &adev->psp; - if (dc->ctx->dce_version == DCN_VERSION_3_1 || + if (dc->ctx->dce_version == DCN_VERSION_3_1 || dc->ctx->dce_version == DCN_VERSION_3_14 || dc->ctx->dce_version == DCN_VERSION_3_15 || - dc->ctx->dce_version == DCN_VERSION_3_5 || + dc->ctx->dce_version == DCN_VERSION_3_16 || + dc->ctx->dce_version == DCN_VERSION_3_2 || + dc->ctx->dce_version == DCN_VERSION_3_21 || + dc->ctx->dce_version == DCN_VERSION_3_5 || dc->ctx->dce_version == DCN_VERSION_3_51 || - dc->ctx->dce_version == DCN_VERSION_3_6 || - dc->ctx->dce_version == DCN_VERSION_3_16) + dc->ctx->dce_version == DCN_VERSION_3_6 || + dc->ctx->dce_version == DCN_VERSION_4_01) config->psp.caps.dtm_v3_supported = 1; + config->ddc.handle = dc_get_link_at_index(dc, i); ddc_funcs->write_i2c = lp_write_i2c;