[Public] > -----Original Message----- > From: Sui Jingfeng <[email protected]> > Sent: Sunday, June 11, 2023 11:24 AM > To: Wentland, Harry <[email protected]>; Li, Sun peng (Leo) > <[email protected]>; Siqueira, Rodrigo <[email protected]>; > Deucher, Alexander <[email protected]>; Koenig, Christian > <[email protected]>; Pan, Xinhui <[email protected]>; David > Airlie <[email protected]>; Daniel Vetter <[email protected]>; Lee, Alvin > <[email protected]>; Lei, Jun <[email protected]>; Zhuo, Qingqing (Lillian) > <[email protected]>; Liu, Wenjing <[email protected]>; Tam, > Samson <[email protected]>; Varone, Dillon > <[email protected]>; Liu, HaoPing (Alan) <[email protected]> > Cc: [email protected]; [email protected]; linux- > [email protected] > Subject: [PATCH v2] drm/amdgpu: Add error reporting code for the display > core > > [why] > > Because the drm/amdgpu drivers do not work with Navi 10 [RX 5700] series > GPUs on non-x86 platforms, this patch helps find out where the drivers fail. > After applying his patch, the following error message can be found: > > [drm:dc_create [amdgpu]] *ERROR* dc_construct: failed to create resource > pool [drm:dc_create [amdgpu]] *ERROR* dc_create: dc construct failed [drm] > Display Core failed to initialize with v3.2.230!
Curious what the failure was on your platform. Resource create is mostly just allocating structures. Alex > > Signed-off-by: Sui Jingfeng <[email protected]> > --- > drivers/gpu/drm/amd/display/dc/core/dc.c | 29 ++++++++++++++++-------- > 1 file changed, 20 insertions(+), 9 deletions(-) > > diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c > b/drivers/gpu/drm/amd/display/dc/core/dc.c > index 52564b93f7eb..d33b78aa3e58 100644 > --- a/drivers/gpu/drm/amd/display/dc/core/dc.c > +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c > @@ -951,7 +951,7 @@ static bool dc_construct(struct dc *dc, > goto fail; > } > > - dc_ctx = dc->ctx; > + dc_ctx = dc->ctx; > > /* Resource should construct all asic specific resources. > * This should be the only place where we need to parse the asic id > @@ -990,16 +990,21 @@ static bool dc_construct(struct dc *dc, > } > > dc->res_pool = dc_create_resource_pool(dc, init_params, dc_ctx- > >dce_version); > - if (!dc->res_pool) > + if (!dc->res_pool) { > + dm_error("%s: failed to create resource pool\n", __func__); > goto fail; > + } > > /* set i2c speed if not done by the respective dcnxxx__resource.c */ > if (dc->caps.i2c_speed_in_khz_hdcp == 0) > dc->caps.i2c_speed_in_khz_hdcp = dc- > >caps.i2c_speed_in_khz; > > dc->clk_mgr = dc_clk_mgr_create(dc->ctx, dc->res_pool->pp_smu, dc- > >res_pool->dccg); > - if (!dc->clk_mgr) > + if (!dc->clk_mgr) { > + dm_error("%s: failed to create clk manager\n", __func__); > goto fail; > + } > + > #ifdef CONFIG_DRM_AMD_DC_FP > dc->clk_mgr->force_smu_not_present = init_params- > >force_smu_not_present; > > @@ -1022,14 +1027,18 @@ static bool dc_construct(struct dc *dc, > goto fail; > } > > - if (!create_links(dc, init_params->num_virtual_links)) > + if (!create_links(dc, init_params->num_virtual_links)) { > + dm_error("%s: failed to create links\n", __func__); > goto fail; > + } > > /* Create additional DIG link encoder objects if fewer than the > platform > * supports were created during link construction. > */ > - if (!create_link_encoders(dc)) > + if (!create_link_encoders(dc)) { > + dm_error("%s: failed to create link encoders\n", __func__); > goto fail; > + } > > dc_resource_state_construct(dc, dc->current_state); > > @@ -1314,11 +1323,15 @@ struct dc *dc_create(const struct dc_init_data > *init_params) > return NULL; > > if (init_params->dce_environment == DCE_ENV_VIRTUAL_HW) { > - if (!dc_construct_ctx(dc, init_params)) > + if (!dc_construct_ctx(dc, init_params)) { > + DC_LOG_ERROR("%s: dc construct failed\n", > __func__); > goto destruct_dc; > + } > } else { > - if (!dc_construct(dc, init_params)) > + if (!dc_construct(dc, init_params)) { > + DC_LOG_ERROR("%s: dc construct failed\n", > __func__); > goto destruct_dc; > + } > > full_pipe_count = dc->res_pool->pipe_count; > if (dc->res_pool->underlay_pipe_index != > NO_UNDERLAY_PIPE) @@ -1349,8 +1362,6 @@ struct dc *dc_create(const > struct dc_init_data *init_params) > > DC_LOG_DC("Display Core initialized\n"); > > - > - > return dc; > > destruct_dc: > -- > 2.25.1
