From b4c804628485af2b46f0d24a87190735cac37d61 Mon Sep 17 00:00:00 2001 From: Ausef Yousof Date: Thu, 24 Oct 2024 14:06:39 -0400 Subject: [PATCH 01/16] drm/amd/display: Remove hw w/a toggle if on DP2/HPO [why&how] Applying a hw w/a only relevant to DIG FIFO causing corruption using HPO, do not apply the w/a if on DP2/HPO Reviewed-by: Charlene Liu Signed-off-by: Ausef Yousof Signed-off-by: Zaeem Mohamed Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- .../drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c index 1d4fe0de0f67..07b49b4030f9 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c @@ -133,6 +133,8 @@ static void dcn35_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state * for (i = 0; i < dc->res_pool->pipe_count; ++i) { struct pipe_ctx *old_pipe = &dc->current_state->res_ctx.pipe_ctx[i]; struct pipe_ctx *new_pipe = &context->res_ctx.pipe_ctx[i]; + struct clk_mgr_internal *clk_mgr_internal = TO_CLK_MGR_INTERNAL(clk_mgr_base); + struct dccg *dccg = clk_mgr_internal->dccg; struct pipe_ctx *pipe = safe_to_lower ? &context->res_ctx.pipe_ctx[i] : &dc->current_state->res_ctx.pipe_ctx[i]; @@ -149,8 +151,13 @@ static void dcn35_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state * new_pipe->stream_res.stream_enc && new_pipe->stream_res.stream_enc->funcs->is_fifo_enabled && new_pipe->stream_res.stream_enc->funcs->is_fifo_enabled(new_pipe->stream_res.stream_enc); - if (pipe->stream && (pipe->stream->dpms_off || dc_is_virtual_signal(pipe->stream->signal) || - !pipe->stream->link_enc) && !stream_changed_otg_dig_on) { + bool has_active_hpo = dccg->ctx->dc->link_srv->dp_is_128b_132b_signal(old_pipe) && dccg->ctx->dc->link_srv->dp_is_128b_132b_signal(new_pipe); + + if (!has_active_hpo && !dccg->ctx->dc->link_srv->dp_is_128b_132b_signal(pipe) && + (pipe->stream && (pipe->stream->dpms_off || dc_is_virtual_signal(pipe->stream->signal) || + !pipe->stream->link_enc) && !stream_changed_otg_dig_on)) { + + /* This w/a should not trigger when we have a dig active */ if (disable) { if (pipe->stream_res.tg && pipe->stream_res.tg->funcs->immediate_disable_crtc) -- 2.51.0 From 583c21c2b2595d7bf9542a9406294d2fe16b6f01 Mon Sep 17 00:00:00 2001 From: Ausef Yousof Date: Thu, 24 Oct 2024 15:17:20 -0400 Subject: [PATCH 02/16] drm/amd/display: Remove otg w/a toggling on HPO interfaces [why&how] Adjust otg w/a disable condition to include HPO explicitly rather than assuming it is implicitly used through DP2. Reviewed-by: Charlene Liu Signed-off-by: Ausef Yousof Signed-off-by: Zaeem Mohamed Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- .../drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c index 07b49b4030f9..b77333817f18 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c @@ -151,7 +151,15 @@ static void dcn35_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state * new_pipe->stream_res.stream_enc && new_pipe->stream_res.stream_enc->funcs->is_fifo_enabled && new_pipe->stream_res.stream_enc->funcs->is_fifo_enabled(new_pipe->stream_res.stream_enc); - bool has_active_hpo = dccg->ctx->dc->link_srv->dp_is_128b_132b_signal(old_pipe) && dccg->ctx->dc->link_srv->dp_is_128b_132b_signal(new_pipe); + + bool has_active_hpo = false; + + if (old_pipe->stream && new_pipe->stream && old_pipe->stream == new_pipe->stream) { + has_active_hpo = dccg->ctx->dc->link_srv->dp_is_128b_132b_signal(old_pipe) && + dccg->ctx->dc->link_srv->dp_is_128b_132b_signal(new_pipe); + + } + if (!has_active_hpo && !dccg->ctx->dc->link_srv->dp_is_128b_132b_signal(pipe) && (pipe->stream && (pipe->stream->dpms_off || dc_is_virtual_signal(pipe->stream->signal) || -- 2.51.0 From 2551b4a321a68134360b860113dd460133e856e5 Mon Sep 17 00:00:00 2001 From: Aurabindo Pillai Date: Fri, 18 Oct 2024 10:52:16 -0400 Subject: [PATCH 03/16] drm/amd/display: parse umc_info or vram_info based on ASIC An upstream bug report suggests that there are production dGPUs that are older than DCN401 but still have a umc_info in VBIOS tables with the same version as expected for a DCN401 product. Hence, reading this tables should be guarded with a version check. Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3678 Reviewed-by: Dillon Varone Signed-off-by: Aurabindo Pillai Signed-off-by: Zaeem Mohamed Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c index 0d8498ab9b23..be8fbb04ad98 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c @@ -3127,7 +3127,9 @@ static enum bp_result bios_parser_get_vram_info( struct atom_data_revision revision; // vram info moved to umc_info for DCN4x - if (info && DATA_TABLES(umc_info)) { + if (dcb->ctx->dce_version >= DCN_VERSION_4_01 && + dcb->ctx->dce_version < DCN_VERSION_MAX && + info && DATA_TABLES(umc_info)) { header = GET_IMAGE(struct atom_common_table_header, DATA_TABLES(umc_info)); -- 2.51.0 From caccee7b296b1f6c37f09b5d4808606c66438e9d Mon Sep 17 00:00:00 2001 From: Ilya Bakoulin Date: Wed, 9 Oct 2024 15:26:48 -0400 Subject: [PATCH 04/16] drm/amd/display: Minimize wait for pending updates [Why/How] Move the wait for pending updates past prepare_bandwidth if the previous update was not a full update to reduce the average time it takes to complete a full update. Reviewed-by: Dillon Varone Reviewed-by: Alvin Lee Signed-off-by: Ilya Bakoulin Signed-off-by: Zaeem Mohamed Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 8a52fef46785..7872c6cabb14 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -3835,7 +3835,7 @@ static void commit_planes_for_stream(struct dc *dc, dc_exit_ips_for_hw_access(dc); dc_z10_restore(dc); - if (update_type == UPDATE_TYPE_FULL) + if (update_type == UPDATE_TYPE_FULL && dc->optimized_required) hwss_process_outstanding_hw_updates(dc, dc->current_state); for (i = 0; i < dc->res_pool->pipe_count; i++) { @@ -3862,6 +3862,9 @@ static void commit_planes_for_stream(struct dc *dc, context_clock_trace(dc, context); } + if (update_type == UPDATE_TYPE_FULL) + hwss_wait_for_outstanding_hw_updates(dc, dc->current_state); + top_pipe_to_program = resource_get_otg_master_for_stream( &context->res_ctx, stream); -- 2.51.0 From bc068194f548ef1f230d96c4398046bf59165992 Mon Sep 17 00:00:00 2001 From: Wayne Lin Date: Fri, 25 Oct 2024 12:27:26 +0800 Subject: [PATCH 05/16] drm/amd/display: Don't write DP_MSTM_CTRL after LT [Why] Observe after suspend/resme, we can't light up mst monitors under specific mst hub. The reason is that driver still writes DPCD DP_MSTM_CTRL after LT. It's forbidden even we write the same value for that dpcd register. [How] We already resume the mst branch device dpcd settings during resume_mst_branch_status(). Leverage drm_dp_mst_topology_queue_probe() to only probe the topology, not calling drm_dp_mst_topology_mgr_resume() which will set DP_MSTM_CTRL as well. Reviewed-by: Jerry Zuo Signed-off-by: Wayne Lin Signed-off-by: Zaeem Mohamed Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index a07ed83b186b..9876f4836ee0 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -3170,8 +3170,7 @@ static int dm_resume(struct amdgpu_ip_block *ip_block) struct dm_atomic_state *dm_state = to_dm_atomic_state(dm->atomic_obj.state); enum dc_connection_type new_connection_type = dc_connection_none; struct dc_state *dc_state; - int i, r, j, ret; - bool need_hotplug = false; + int i, r, j; struct dc_commit_streams_params commit_params = {}; if (dm->dc->caps.ips_support) { @@ -3360,23 +3359,16 @@ static int dm_resume(struct amdgpu_ip_block *ip_block) aconnector->mst_root) continue; - ret = drm_dp_mst_topology_mgr_resume(&aconnector->mst_mgr, true); - - if (ret < 0) { - dm_helpers_dp_mst_stop_top_mgr(aconnector->dc_link->ctx, - aconnector->dc_link); - need_hotplug = true; - } + drm_dp_mst_topology_queue_probe(&aconnector->mst_mgr); } drm_connector_list_iter_end(&iter); - if (need_hotplug) - drm_kms_helper_hotplug_event(ddev); - amdgpu_dm_irq_resume_late(adev); amdgpu_dm_smu_write_watermarks_table(adev); + drm_kms_helper_hotplug_event(ddev); + return 0; } -- 2.51.0 From 8b7f3529cd7bca239404d7279056e566639ac055 Mon Sep 17 00:00:00 2001 From: Boyuan Zhang Date: Wed, 2 Oct 2024 20:51:53 -0400 Subject: [PATCH 06/16] drm/amd/pm: add inst to dpm_set_vcn_enable MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Add an instance parameter to the existing function dpm_set_vcn_enable() for future implementation. Re-write all pptable functions accordingly. v2: Remove duplicated dpm_set_vcn_enable() functions in v1. Instead, adding instance parameter to existing functions. Signed-off-by: Boyuan Zhang Suggested-by: Christian König Suggested-by: Alex Deucher Acked-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 2 +- drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h | 2 +- drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h | 3 ++- drivers/gpu/drm/amd/pm/swsmu/inc/smu_v14_0.h | 3 ++- drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c | 4 +++- drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c | 4 +++- drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c | 4 +++- drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c | 4 +++- drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c | 4 +++- drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c | 3 ++- drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c | 4 +++- drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c | 4 +++- drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0.c | 3 ++- 13 files changed, 31 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index 67d5a8123416..ba97070acf9f 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -252,7 +252,7 @@ static int smu_dpm_set_vcn_enable(struct smu_context *smu, if (atomic_read(&power_gate->vcn_gated) ^ enable) return 0; - ret = smu->ppt_funcs->dpm_set_vcn_enable(smu, enable); + ret = smu->ppt_funcs->dpm_set_vcn_enable(smu, enable, 0xff); if (!ret) atomic_set(&power_gate->vcn_gated, !enable); diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h index 8bb32b3f0d9c..4ebcc1e53ea2 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h @@ -739,7 +739,7 @@ struct pptable_funcs { * @dpm_set_vcn_enable: Enable/disable VCN engine dynamic power * management. */ - int (*dpm_set_vcn_enable)(struct smu_context *smu, bool enable); + int (*dpm_set_vcn_enable)(struct smu_context *smu, bool enable, int inst); /** * @dpm_set_jpeg_enable: Enable/disable JPEG engine dynamic power diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h index 044d6893b43e..ae3563d71fa0 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h +++ b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h @@ -255,7 +255,8 @@ int smu_v13_0_wait_for_event(struct smu_context *smu, enum smu_event_type event, uint64_t event_arg); int smu_v13_0_set_vcn_enable(struct smu_context *smu, - bool enable); + bool enable, + int inst); int smu_v13_0_set_jpeg_enable(struct smu_context *smu, bool enable); diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v14_0.h b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v14_0.h index 07c220102c1d..0546b02e198d 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v14_0.h +++ b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v14_0.h @@ -210,7 +210,8 @@ int smu_v14_0_wait_for_event(struct smu_context *smu, enum smu_event_type event, uint64_t event_arg); int smu_v14_0_set_vcn_enable(struct smu_context *smu, - bool enable); + bool enable, + int inst); int smu_v14_0_set_jpeg_enable(struct smu_context *smu, bool enable); diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c index 5ad09323a29d..6c8e80f6b592 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c @@ -1571,7 +1571,9 @@ static bool arcturus_is_dpm_running(struct smu_context *smu) return !!(feature_enabled & SMC_DPM_FEATURE); } -static int arcturus_dpm_set_vcn_enable(struct smu_context *smu, bool enable) +static int arcturus_dpm_set_vcn_enable(struct smu_context *smu, + bool enable, + int inst) { int ret = 0; diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c index 9fa305ba6422..faa8e7d9c3c6 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c @@ -1135,7 +1135,9 @@ static int navi10_set_default_dpm_table(struct smu_context *smu) return 0; } -static int navi10_dpm_set_vcn_enable(struct smu_context *smu, bool enable) +static int navi10_dpm_set_vcn_enable(struct smu_context *smu, + bool enable, + int inst) { int ret = 0; diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c index 77e58eb46328..a9cb28ce2133 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c @@ -1152,7 +1152,9 @@ static int sienna_cichlid_set_default_dpm_table(struct smu_context *smu) return 0; } -static int sienna_cichlid_dpm_set_vcn_enable(struct smu_context *smu, bool enable) +static int sienna_cichlid_dpm_set_vcn_enable(struct smu_context *smu, + bool enable, + int inst) { struct amdgpu_device *adev = smu->adev; int i, ret = 0; diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c index 6c43724c01dd..cd3e9ba3eff4 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c @@ -461,7 +461,9 @@ static int vangogh_init_smc_tables(struct smu_context *smu) return smu_v11_0_init_smc_tables(smu); } -static int vangogh_dpm_set_vcn_enable(struct smu_context *smu, bool enable) +static int vangogh_dpm_set_vcn_enable(struct smu_context *smu, + bool enable, + int inst) { int ret = 0; diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c index 0b210b1f2628..a34797f3576b 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c @@ -645,7 +645,9 @@ static enum amd_pm_state_type renoir_get_current_power_state(struct smu_context return pm_type; } -static int renoir_dpm_set_vcn_enable(struct smu_context *smu, bool enable) +static int renoir_dpm_set_vcn_enable(struct smu_context *smu, + bool enable, + int inst) { int ret = 0; diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c index 6cfd66363915..2bfea740dace 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c @@ -2104,7 +2104,8 @@ int smu_v13_0_get_current_pcie_link_speed(struct smu_context *smu) } int smu_v13_0_set_vcn_enable(struct smu_context *smu, - bool enable) + bool enable, + int inst) { struct amdgpu_device *adev = smu->adev; int i, ret = 0; diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c index a71b7c0803f1..f5db181ef489 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c @@ -193,7 +193,9 @@ static int smu_v13_0_5_system_features_control(struct smu_context *smu, bool en) return ret; } -static int smu_v13_0_5_dpm_set_vcn_enable(struct smu_context *smu, bool enable) +static int smu_v13_0_5_dpm_set_vcn_enable(struct smu_context *smu, + bool enable, + int inst) { int ret = 0; diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c index 71d58c8c8cc0..73b4506ef5a8 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c @@ -220,7 +220,9 @@ static int yellow_carp_system_features_control(struct smu_context *smu, bool en) return ret; } -static int yellow_carp_dpm_set_vcn_enable(struct smu_context *smu, bool enable) +static int yellow_carp_dpm_set_vcn_enable(struct smu_context *smu, + bool enable, + int inst) { int ret = 0; diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0.c index f7745eaf118e..ecb0164d533e 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0.c @@ -1507,7 +1507,8 @@ int smu_v14_0_set_single_dpm_table(struct smu_context *smu, } int smu_v14_0_set_vcn_enable(struct smu_context *smu, - bool enable) + bool enable, + int inst) { struct amdgpu_device *adev = smu->adev; int i, ret = 0; -- 2.51.0 From c7b4ecc1fa29235e5a14ad178ab96ef15a0d16f6 Mon Sep 17 00:00:00 2001 From: Aurabindo Pillai Date: Fri, 1 Nov 2024 16:16:18 +0000 Subject: [PATCH 07/16] drm/amd/display: Add a missing DCN401 reg definition Add a mising reg field to the autogenerated header for future use Signed-off-by: Aurabindo Pillai Reviewed-by: Dillon Varone Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_4_1_0_sh_mask.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_4_1_0_sh_mask.h b/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_4_1_0_sh_mask.h index f42a276499cd..5d9d5fea6e06 100644 --- a/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_4_1_0_sh_mask.h +++ b/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_4_1_0_sh_mask.h @@ -6199,10 +6199,12 @@ #define DCHUBBUB_CTRL_STATUS__ROB_UNDERFLOW_STATUS__SHIFT 0x1 #define DCHUBBUB_CTRL_STATUS__ROB_OVERFLOW_STATUS__SHIFT 0x2 #define DCHUBBUB_CTRL_STATUS__ROB_OVERFLOW_CLEAR__SHIFT 0x3 +#define DCHUBBUB_CTRL_STATUS__DCHUBBUB_HW_DEBUG__SHIFT 0x4 #define DCHUBBUB_CTRL_STATUS__CSTATE_SWATH_CHK_GOOD_MODE__SHIFT 0x1f #define DCHUBBUB_CTRL_STATUS__ROB_UNDERFLOW_STATUS_MASK 0x00000002L #define DCHUBBUB_CTRL_STATUS__ROB_OVERFLOW_STATUS_MASK 0x00000004L #define DCHUBBUB_CTRL_STATUS__ROB_OVERFLOW_CLEAR_MASK 0x00000008L +#define DCHUBBUB_CTRL_STATUS__DCHUBBUB_HW_DEBUG_MASK 0x3FFFFFF0L #define DCHUBBUB_CTRL_STATUS__CSTATE_SWATH_CHK_GOOD_MODE_MASK 0x80000000L //DCHUBBUB_TIMEOUT_DETECTION_CTRL1 #define DCHUBBUB_TIMEOUT_DETECTION_CTRL1__DCHUBBUB_TIMEOUT_ERROR_STATUS__SHIFT 0x0 -- 2.51.0 From ebacc134031a70a69d19ac267f3414bfeb0b6f07 Mon Sep 17 00:00:00 2001 From: Taimur Hassan Date: Sun, 27 Oct 2024 20:12:59 -0400 Subject: [PATCH 08/16] drm/amd/display: [FW Promotion] Release 0.0.241.0 - Add DPCS health check - Update USB4 PHY SSC - Fix FAMS2 SubVP Close to VBlank changes - Create VESA Aux-based backlight control path - Fix PSR1 CRC error during CTS test Acked-by: Rodrigo Siqueira Signed-off-by: Taimur Hassan Signed-off-by: Zaeem Mohamed Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h index 3aa6c60588b5..a9b90fa00b88 100644 --- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h @@ -495,6 +495,7 @@ struct dmub_feature_caps { uint8_t gecc_enable; uint8_t replay_supported; uint8_t replay_reserved[3]; + uint8_t abm_aux_backlight_support; }; struct dmub_visual_confirm_color { @@ -754,7 +755,7 @@ union dmub_shared_state_ips_driver_signals { uint32_t allow_ips1 : 1; /**< 1 is IPS1 is allowed */ uint32_t allow_ips2 : 1; /**< 1 is IPS1 is allowed */ uint32_t allow_z10 : 1; /**< 1 if Z10 is allowed */ - uint32_t allow_idle : 1; /**< 1 if driver is allowing idle */ + uint32_t allow_idle: 1; /**< 1 if driver is allowing idle */ uint32_t reserved_bits : 27; /**< Reversed bits */ } bits; uint32_t all; @@ -4460,9 +4461,9 @@ struct dmub_cmd_abm_set_backlight_data { uint8_t backlight_control_type; /** - * Explicit padding to 4 byte boundary. + * AUX HW instance. */ - uint8_t pad[1]; + uint8_t aux_inst; /** * Minimum luminance in nits. -- 2.51.0 From 38077562e0594a294eaf4d8e6bbd8c1c26c2540f Mon Sep 17 00:00:00 2001 From: Kaitlyn Tse Date: Thu, 3 Oct 2024 18:13:27 -0400 Subject: [PATCH 09/16] drm/amd/display: Implement new backlight_level_params structure [Why] Implement the new backlight_level_params structure as part of the VBAC framework, the information in this structure is needed to be passed down to the DMCUB to identify the backlight control type, to adjust the backlight of the panel and to perform any required conversions from PWM to nits or vice versa. [How] Modified existing functions to include the new backlight_level_params structure. Reviewed-by: Nicholas Kazlauskas Signed-off-by: Kaitlyn Tse Signed-off-by: Zaeem Mohamed Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 7 ++- .../drm/amd/display/dc/core/dc_link_exports.c | 5 +- drivers/gpu/drm/amd/display/dc/dc.h | 4 +- drivers/gpu/drm/amd/display/dc/dc_types.h | 27 ++++++++++ .../amd/display/dc/hwss/dce110/dce110_hwseq.c | 6 +-- .../amd/display/dc/hwss/dcn21/dcn21_hwseq.c | 16 +++--- .../amd/display/dc/hwss/dcn21/dcn21_hwseq.h | 2 + .../amd/display/dc/hwss/dcn31/dcn31_hwseq.c | 49 +++++++++++++++++++ .../amd/display/dc/hwss/dcn31/dcn31_hwseq.h | 3 +- .../amd/display/dc/hwss/dcn31/dcn31_init.c | 2 +- .../amd/display/dc/hwss/dcn314/dcn314_init.c | 2 +- .../amd/display/dc/hwss/dcn32/dcn32_init.c | 2 +- .../amd/display/dc/hwss/dcn35/dcn35_hwseq.c | 1 + .../amd/display/dc/hwss/dcn35/dcn35_init.c | 2 +- .../amd/display/dc/hwss/dcn351/dcn351_init.c | 2 +- .../amd/display/dc/hwss/dcn401/dcn401_init.c | 2 +- .../drm/amd/display/dc/hwss/hw_sequencer.h | 5 -- drivers/gpu/drm/amd/display/dc/inc/link.h | 3 +- .../link/protocols/link_edp_panel_control.c | 17 ++++--- .../link/protocols/link_edp_panel_control.h | 3 +- 20 files changed, 119 insertions(+), 41 deletions(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 9876f4836ee0..7cfa0c91e748 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -4640,7 +4640,12 @@ static void amdgpu_dm_backlight_set_level(struct amdgpu_display_manager *dm, if (!rc) DRM_DEBUG("DM: Failed to update backlight via AUX on eDP[%d]\n", bl_idx); } else { - rc = dc_link_set_backlight_level(link, brightness, 0); + struct set_backlight_level_params backlight_level_params = { 0 }; + + backlight_level_params.backlight_pwm_u16_16 = brightness; + backlight_level_params.transition_time_in_ms = 0; + + rc = dc_link_set_backlight_level(link, &backlight_level_params); if (!rc) DRM_DEBUG("DM: Failed to update backlight on eDP[%d]\n", bl_idx); } diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c index dfdfe22d9e85..457d60eeb486 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c @@ -430,11 +430,10 @@ bool dc_link_get_backlight_level_nits(struct dc_link *link, } bool dc_link_set_backlight_level(const struct dc_link *link, - uint32_t backlight_pwm_u16_16, - uint32_t frame_ramp) + struct set_backlight_level_params *backlight_level_params) { return link->dc->link_srv->edp_set_backlight_level(link, - backlight_pwm_u16_16, frame_ramp); + backlight_level_params); } bool dc_link_set_backlight_level_nits(struct dc_link *link, diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 76130bbf2fe4..5cb58ca77890 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -225,6 +225,7 @@ struct dc_dmub_caps { bool subvp_psr; bool gecc_enable; uint8_t fams_ver; + bool aux_backlight_support; }; struct dc_scl_caps { @@ -2210,8 +2211,7 @@ void dc_link_edp_panel_backlight_power_on(struct dc_link *link, * and 16 bit fractional, where 1.0 is max backlight value. */ bool dc_link_set_backlight_level(const struct dc_link *dc_link, - uint32_t backlight_pwm_u16_16, - uint32_t frame_ramp); + struct set_backlight_level_params *backlight_level_params); /* Set/get nits-based backlight level of an embedded panel (eDP, LVDS). */ bool dc_link_set_backlight_level_nits(struct dc_link *link, diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h index f0776484abb7..1fd030e3f4be 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_types.h @@ -1303,4 +1303,31 @@ struct dc_commit_streams_params { enum dc_power_source_type power_source; }; +struct set_backlight_level_params { + /* backlight in pwm */ + uint32_t backlight_pwm_u16_16; + /* brightness ramping */ + uint32_t frame_ramp; + /* backlight control type + * 0: PWM backlight control + * 1: VESA AUX backlight control + * 2: AMD AUX backlight control + */ + enum backlight_control_type control_type; + /* backlight in millinits */ + uint32_t backlight_millinits; + /* transition time in ms */ + uint32_t transition_time_in_ms; + /* minimum luminance in nits */ + uint32_t min_luminance; + /* maximum luminance in nits */ + uint32_t max_luminance; + /* minimum backlight in pwm */ + uint32_t min_backlight_pwm; + /* maximum backlight in pwm */ + uint32_t max_backlight_pwm; + /* AUX HW instance */ + uint8_t aux_inst; +}; + #endif /* DC_TYPES_H_ */ diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c index 427fd6ea062a..81f4c386c287 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c @@ -3143,10 +3143,10 @@ static void dce110_set_cursor_attribute(struct pipe_ctx *pipe_ctx) } bool dce110_set_backlight_level(struct pipe_ctx *pipe_ctx, - struct set_backlight_level_params *params) + struct set_backlight_level_params *backlight_level_params) { - uint32_t backlight_pwm_u16_16 = params->backlight_pwm_u16_16; - uint32_t frame_ramp = params->frame_ramp; + uint32_t backlight_pwm_u16_16 = backlight_level_params->backlight_pwm_u16_16; + uint32_t frame_ramp = backlight_level_params->frame_ramp; struct dc_link *link = pipe_ctx->stream->link; struct dc *dc = link->ctx->dc; struct abm *abm = pipe_ctx->stream_res.abm; diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c index 630e05f32c80..61efb15572ff 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c @@ -137,7 +137,7 @@ void dcn21_PLAT_58856_wa(struct dc_state *context, struct pipe_ctx *pipe_ctx) pipe_ctx->stream->dpms_off = true; } -static bool dmub_abm_set_pipe(struct abm *abm, uint32_t otg_inst, +bool dcn21_dmub_abm_set_pipe(struct abm *abm, uint32_t otg_inst, uint32_t option, uint32_t panel_inst, uint32_t pwrseq_inst) { union dmub_rb_cmd cmd; @@ -199,7 +199,7 @@ void dcn21_set_abm_immediate_disable(struct pipe_ctx *pipe_ctx) abm->funcs->set_pipe_ex(abm, otg_inst, SET_ABM_PIPE_IMMEDIATELY_DISABLE, panel_cntl->inst, panel_cntl->pwrseq_inst); } else { - dmub_abm_set_pipe(abm, + dcn21_dmub_abm_set_pipe(abm, otg_inst, SET_ABM_PIPE_IMMEDIATELY_DISABLE, panel_cntl->inst, @@ -234,7 +234,7 @@ void dcn21_set_pipe(struct pipe_ctx *pipe_ctx) panel_cntl->inst, panel_cntl->pwrseq_inst); } else { - dmub_abm_set_pipe(abm, otg_inst, + dcn21_dmub_abm_set_pipe(abm, otg_inst, SET_ABM_PIPE_NORMAL, panel_cntl->inst, panel_cntl->pwrseq_inst); @@ -242,15 +242,15 @@ void dcn21_set_pipe(struct pipe_ctx *pipe_ctx) } bool dcn21_set_backlight_level(struct pipe_ctx *pipe_ctx, - struct set_backlight_level_params *params) + struct set_backlight_level_params *backlight_level_params) { struct dc_context *dc = pipe_ctx->stream->ctx; struct abm *abm = pipe_ctx->stream_res.abm; struct timing_generator *tg = pipe_ctx->stream_res.tg; struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl; uint32_t otg_inst; - uint32_t backlight_pwm_u16_16 = params->backlight_pwm_u16_16; - uint32_t frame_ramp = params->frame_ramp; + uint32_t backlight_pwm_u16_16 = backlight_level_params->backlight_pwm_u16_16; + uint32_t frame_ramp = backlight_level_params->frame_ramp; if (!abm || !tg || !panel_cntl) return false; @@ -258,7 +258,7 @@ bool dcn21_set_backlight_level(struct pipe_ctx *pipe_ctx, otg_inst = tg->inst; if (dc->dc->res_pool->dmcu) { - dce110_set_backlight_level(pipe_ctx, params); + dce110_set_backlight_level(pipe_ctx, backlight_level_params); return true; } @@ -269,7 +269,7 @@ bool dcn21_set_backlight_level(struct pipe_ctx *pipe_ctx, panel_cntl->inst, panel_cntl->pwrseq_inst); } else { - dmub_abm_set_pipe(abm, + dcn21_dmub_abm_set_pipe(abm, otg_inst, SET_ABM_PIPE_NORMAL, panel_cntl->inst, diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.h b/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.h index a7eaaa4596be..f72a27ac1bf1 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.h +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.h @@ -47,6 +47,8 @@ void dcn21_optimize_pwr_state( void dcn21_PLAT_58856_wa(struct dc_state *context, struct pipe_ctx *pipe_ctx); +bool dcn21_dmub_abm_set_pipe(struct abm *abm, uint32_t otg_inst, + uint32_t option, uint32_t panel_inst, uint32_t pwrseq_inst); void dcn21_set_pipe(struct pipe_ctx *pipe_ctx); void dcn21_set_abm_immediate_disable(struct pipe_ctx *pipe_ctx); bool dcn21_set_backlight_level(struct pipe_ctx *pipe_ctx, diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c index bfc78a42bc2a..036cb7e9b5bb 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c @@ -47,9 +47,11 @@ #include "dce/dmub_outbox.h" #include "link.h" #include "dcn10/dcn10_hwseq.h" +#include "dcn21/dcn21_hwseq.h" #include "inc/link_enc_cfg.h" #include "dcn30/dcn30_vpg.h" #include "dce/dce_i2c_hw.h" +#include "dce/dmub_abm_lcd.h" #define DC_LOGGER_INIT(logger) @@ -638,3 +640,50 @@ void dcn31_set_static_screen_control(struct pipe_ctx **pipe_ctx, pipe_ctx[i]->stream_res.tg->funcs->set_static_screen_control(pipe_ctx[i]->stream_res.tg, triggers, params->num_frames); } + +static void dmub_abm_set_backlight(struct dc_context *dc, + struct set_backlight_level_params *backlight_level_params, uint32_t panel_inst) +{ + union dmub_rb_cmd cmd; + + memset(&cmd, 0, sizeof(cmd)); + cmd.abm_set_backlight.header.type = DMUB_CMD__ABM; + cmd.abm_set_backlight.header.sub_type = DMUB_CMD__ABM_SET_BACKLIGHT; + cmd.abm_set_backlight.abm_set_backlight_data.frame_ramp = backlight_level_params->frame_ramp; + cmd.abm_set_backlight.abm_set_backlight_data.backlight_user_level = backlight_level_params->backlight_pwm_u16_16; + cmd.abm_set_backlight.abm_set_backlight_data.backlight_control_type = backlight_level_params->control_type; + cmd.abm_set_backlight.abm_set_backlight_data.min_luminance = backlight_level_params->min_luminance; + cmd.abm_set_backlight.abm_set_backlight_data.max_luminance = backlight_level_params->max_luminance; + cmd.abm_set_backlight.abm_set_backlight_data.min_backlight_pwm = backlight_level_params->min_backlight_pwm; + cmd.abm_set_backlight.abm_set_backlight_data.max_backlight_pwm = backlight_level_params->max_backlight_pwm; + cmd.abm_set_backlight.abm_set_backlight_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1; + cmd.abm_set_backlight.abm_set_backlight_data.panel_mask = (0x01 << panel_inst); + cmd.abm_set_backlight.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_backlight_data); + + dc_wake_and_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT); +} + +bool dcn31_set_backlight_level(struct pipe_ctx *pipe_ctx, + struct set_backlight_level_params *backlight_level_params) +{ + struct dc_context *dc = pipe_ctx->stream->ctx; + struct abm *abm = pipe_ctx->stream_res.abm; + struct timing_generator *tg = pipe_ctx->stream_res.tg; + struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl; + uint32_t otg_inst; + + if (!abm || !tg || !panel_cntl) + return false; + + otg_inst = tg->inst; + + dcn21_dmub_abm_set_pipe(abm, + otg_inst, + SET_ABM_PIPE_NORMAL, + panel_cntl->inst, + panel_cntl->pwrseq_inst); + + dmub_abm_set_backlight(dc, backlight_level_params, panel_cntl->inst); + + return true; +} diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.h b/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.h index b8bc939da155..0d09aa8cfb65 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.h +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.h @@ -51,6 +51,8 @@ int dcn31_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_ void dcn31_reset_hw_ctx_wrap( struct dc *dc, struct dc_state *context); +bool dcn31_set_backlight_level(struct pipe_ctx *pipe_ctx, + struct set_backlight_level_params *params); bool dcn31_is_abm_supported(struct dc *dc, struct dc_state *context, struct dc_stream_state *stream); void dcn31_init_pipes(struct dc *dc, struct dc_state *context); @@ -59,5 +61,4 @@ void dcn31_setup_hpo_hw_control(const struct dce_hwseq *hws, bool enable); void dcn31_set_static_screen_control(struct pipe_ctx **pipe_ctx, int num_pipes, const struct dc_static_screen_params *params); - #endif /* __DC_HWSS_DCN31_H__ */ diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_init.c index 56f3c70d4b55..5f8f45b48720 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_init.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_init.c @@ -98,7 +98,7 @@ static const struct hw_sequencer_funcs dcn31_funcs = { .set_flip_control_gsl = dcn20_set_flip_control_gsl, .get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync, .calc_vupdate_position = dcn10_calc_vupdate_position, - .set_backlight_level = dcn21_set_backlight_level, + .set_backlight_level = dcn31_set_backlight_level, .set_abm_immediate_disable = dcn21_set_abm_immediate_disable, .set_pipe = dcn21_set_pipe, .enable_lvds_link_output = dce110_enable_lvds_link_output, diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_init.c index 68e6de6b5758..6bdfbf22ce87 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_init.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_init.c @@ -100,7 +100,7 @@ static const struct hw_sequencer_funcs dcn314_funcs = { .set_flip_control_gsl = dcn20_set_flip_control_gsl, .get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync, .calc_vupdate_position = dcn10_calc_vupdate_position, - .set_backlight_level = dcn21_set_backlight_level, + .set_backlight_level = dcn31_set_backlight_level, .set_abm_immediate_disable = dcn21_set_abm_immediate_disable, .set_pipe = dcn21_set_pipe, .enable_lvds_link_output = dce110_enable_lvds_link_output, diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_init.c index dbcd2dfb19c1..5ecee7e320da 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_init.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_init.c @@ -98,7 +98,7 @@ static const struct hw_sequencer_funcs dcn32_funcs = { .calc_vupdate_position = dcn10_calc_vupdate_position, .apply_idle_power_optimizations = dcn32_apply_idle_power_optimizations, .does_plane_fit_in_mall = NULL, - .set_backlight_level = dcn21_set_backlight_level, + .set_backlight_level = dcn31_set_backlight_level, .set_abm_immediate_disable = dcn21_set_abm_immediate_disable, .hardware_release = dcn30_hardware_release, .set_pipe = dcn21_set_pipe, diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c index 3cb4e9907411..e599cdc465bf 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c @@ -309,6 +309,7 @@ void dcn35_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.mclk_sw = dc->ctx->dmub_srv->dmub->feature_caps.fw_assisted_mclk_switch_ver; + dc->caps.dmub_caps.aux_backlight_support = dc->ctx->dmub_srv->dmub->feature_caps.abm_aux_backlight_support; } if (dc->res_pool->pg_cntl) { diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_init.c index 55dc5799e725..fd67779c27a9 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_init.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_init.c @@ -101,7 +101,7 @@ static const struct hw_sequencer_funcs dcn35_funcs = { .set_flip_control_gsl = dcn20_set_flip_control_gsl, .get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync, .calc_vupdate_position = dcn10_calc_vupdate_position, - .set_backlight_level = dcn21_set_backlight_level, + .set_backlight_level = dcn31_set_backlight_level, .set_abm_immediate_disable = dcn21_set_abm_immediate_disable, .set_pipe = dcn21_set_pipe, .enable_lvds_link_output = dce110_enable_lvds_link_output, diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c index a93864b63d48..3c275a1eff58 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c @@ -100,7 +100,7 @@ static const struct hw_sequencer_funcs dcn351_funcs = { .set_flip_control_gsl = dcn20_set_flip_control_gsl, .get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync, .calc_vupdate_position = dcn10_calc_vupdate_position, - .set_backlight_level = dcn21_set_backlight_level, + .set_backlight_level = dcn31_set_backlight_level, .set_abm_immediate_disable = dcn21_set_abm_immediate_disable, .set_pipe = dcn21_set_pipe, .enable_lvds_link_output = dce110_enable_lvds_link_output, diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c index c73305e57d39..23e4f208152e 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c @@ -77,7 +77,7 @@ static const struct hw_sequencer_funcs dcn401_funcs = { .calc_vupdate_position = dcn10_calc_vupdate_position, .apply_idle_power_optimizations = dcn401_apply_idle_power_optimizations, .does_plane_fit_in_mall = NULL, - .set_backlight_level = dcn21_set_backlight_level, + .set_backlight_level = dcn31_set_backlight_level, .set_abm_immediate_disable = dcn21_set_abm_immediate_disable, .hardware_release = dcn401_hardware_release, .set_pipe = dcn21_set_pipe, diff --git a/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer.h index 1df17c54f3a9..66fdc5805d0a 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer.h +++ b/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer.h @@ -174,11 +174,6 @@ union block_sequence_params { struct fams2_global_control_lock_fast_params fams2_global_control_lock_fast_params; }; -struct set_backlight_level_params { - uint32_t backlight_pwm_u16_16; - uint32_t frame_ramp; -}; - enum block_sequence_func { DMUB_SUBVP_PIPE_CONTROL_LOCK_FAST = 0, OPTC_PIPE_CONTROL_LOCK, diff --git a/drivers/gpu/drm/amd/display/dc/inc/link.h b/drivers/gpu/drm/amd/display/dc/inc/link.h index 72a8479e1f2d..f04292086c08 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/link.h +++ b/drivers/gpu/drm/amd/display/dc/inc/link.h @@ -248,8 +248,7 @@ struct link_service { uint32_t *backlight_millinits_avg, uint32_t *backlight_millinits_peak); bool (*edp_set_backlight_level)(const struct dc_link *link, - uint32_t backlight_pwm_u16_16, - uint32_t frame_ramp); + struct set_backlight_level_params *backlight_level_params); bool (*edp_set_backlight_level_nits)(struct dc_link *link, bool isHDR, uint32_t backlight_millinits, diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c index 43a467f6ce7b..e0e3bb865359 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c @@ -161,7 +161,9 @@ bool edp_set_backlight_level_nits(struct dc_link *link, link->connector_signal != SIGNAL_TYPE_DISPLAY_PORT)) return false; - if (link->backlight_control_type == BACKLIGHT_CONTROL_VESA_AUX) { + // use internal backlight control if dmub capabilities are not present + if (link->backlight_control_type == BACKLIGHT_CONTROL_VESA_AUX && + !link->dc->caps.dmub_caps.aux_backlight_support) { uint8_t backlight_enable = 0; struct target_luminance_value *target_luminance = NULL; @@ -185,7 +187,7 @@ bool edp_set_backlight_level_nits(struct dc_link *link, (uint8_t *)(target_luminance), sizeof(struct target_luminance_value)) != DC_OK) return false; - } else { + } else if (link->backlight_control_type == BACKLIGHT_CONTROL_AMD_AUX) { struct dpcd_source_backlight_set dpcd_backlight_set; *(uint32_t *)&dpcd_backlight_set.backlight_level_millinits = backlight_millinits; *(uint16_t *)&dpcd_backlight_set.backlight_transition_time_ms = (uint16_t)transition_time_in_ms; @@ -517,17 +519,17 @@ static struct pipe_ctx *get_pipe_from_link(const struct dc_link *link) } bool edp_set_backlight_level(const struct dc_link *link, - uint32_t backlight_pwm_u16_16, - uint32_t frame_ramp) + struct set_backlight_level_params *backlight_level_params) { struct dc *dc = link->ctx->dc; + uint32_t backlight_pwm_u16_16 = backlight_level_params->backlight_pwm_u16_16; + uint32_t frame_ramp = backlight_level_params->frame_ramp; DC_LOGGER_INIT(link->ctx->logger); DC_LOG_BACKLIGHT("New Backlight level: %d (0x%X)\n", backlight_pwm_u16_16, backlight_pwm_u16_16); if (dc_is_embedded_signal(link->connector_signal)) { struct pipe_ctx *pipe_ctx = get_pipe_from_link(link); - struct set_backlight_level_params backlight_level_param = { 0 }; if (link->panel_cntl) link->panel_cntl->stored_backlight_registers.USER_LEVEL = backlight_pwm_u16_16; @@ -542,12 +544,11 @@ bool edp_set_backlight_level(const struct dc_link *link, return false; } - backlight_level_param.backlight_pwm_u16_16 = backlight_pwm_u16_16; - backlight_level_param.frame_ramp = frame_ramp; + backlight_level_params->frame_ramp = frame_ramp; dc->hwss.set_backlight_level( pipe_ctx, - &backlight_level_param); + backlight_level_params); } return true; } diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h index 30dc8c24c008..bcfa6ac5d4e7 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h @@ -36,8 +36,7 @@ bool edp_get_backlight_level_nits(struct dc_link *link, uint32_t *backlight_millinits_avg, uint32_t *backlight_millinits_peak); bool edp_set_backlight_level(const struct dc_link *link, - uint32_t backlight_pwm_u16_16, - uint32_t frame_ramp); + struct set_backlight_level_params *backlight_level_params); bool edp_set_backlight_level_nits(struct dc_link *link, bool isHDR, uint32_t backlight_millinits, -- 2.51.0 From abdd2768d7630bc8ec3403aea24f4197bada3c1f Mon Sep 17 00:00:00 2001 From: Fangzhi Zuo Date: Thu, 17 Oct 2024 18:15:10 -0400 Subject: [PATCH 10/16] drm/amd/display: Prune Invalid Modes For HDMI Output [Why] 1. HDMI does not have 6 bpc support. Having 6 bpc pass validation does not comply with spec. 2. Validate 420 only for native HDMI, but not apply to pcon use case. 3. Current mode validation log is not readable. [how] 1. Cap 8 bpc for dp-hdmi converter. 2. Validate yuv420 for pcon use case as well, if rgb/yuv444 8bpc cannot fit into pcon bw limitation of the link from the converter to HDMI sink. 3. Add readable pixel_format and color_depth into debug log. Reviewed-by: Wayne Lin Signed-off-by: Fangzhi Zuo Signed-off-by: Zaeem Mohamed Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 19 ++++++--- .../gpu/drm/amd/display/dc/core/dc_debug.c | 40 +++++++++++++++++++ .../gpu/drm/amd/display/dc/core/dc_stream.c | 6 +-- .../gpu/drm/amd/display/dc/inc/core_status.h | 2 + 4 files changed, 59 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 7cfa0c91e748..16653e0573b1 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -7323,10 +7323,15 @@ create_validate_stream_for_sink(struct amdgpu_dm_connector *aconnector, const struct drm_connector_state *drm_state = dm_state ? &dm_state->base : NULL; int requested_bpc = drm_state ? drm_state->max_requested_bpc : 8; enum dc_status dc_result = DC_OK; + uint8_t bpc_limit = 6; if (!dm_state) return NULL; + if (aconnector->dc_link->connector_signal == SIGNAL_TYPE_HDMI_TYPE_A || + aconnector->dc_link->dpcd_caps.dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER) + bpc_limit = 8; + do { stream = create_stream_for_sink(connector, drm_mode, dm_state, old_stream, @@ -7347,11 +7352,12 @@ create_validate_stream_for_sink(struct amdgpu_dm_connector *aconnector, dc_result = dm_validate_stream_and_context(adev->dm.dc, stream); if (dc_result != DC_OK) { - DRM_DEBUG_KMS("Mode %dx%d (clk %d) failed DC validation with error %d (%s)\n", + DRM_DEBUG_KMS("Mode %dx%d (clk %d) pixel_encoding:%s color_depth:%s failed validation -- %s\n", drm_mode->hdisplay, drm_mode->vdisplay, drm_mode->clock, - dc_result, + dc_pixel_encoding_to_str(stream->timing.pixel_encoding), + dc_color_depth_to_str(stream->timing.display_color_depth), dc_status_to_str(dc_result)); dc_stream_release(stream); @@ -7359,10 +7365,13 @@ create_validate_stream_for_sink(struct amdgpu_dm_connector *aconnector, requested_bpc -= 2; /* lower bpc to retry validation */ } - } while (stream == NULL && requested_bpc >= 6); + } while (stream == NULL && requested_bpc >= bpc_limit); - if (dc_result == DC_FAIL_ENC_VALIDATE && !aconnector->force_yuv420_output) { - DRM_DEBUG_KMS("Retry forcing YCbCr420 encoding\n"); + if ((dc_result == DC_FAIL_ENC_VALIDATE || + dc_result == DC_EXCEED_DONGLE_CAP) && + !aconnector->force_yuv420_output) { + DRM_DEBUG_KMS("%s:%d Retry forcing yuv420 encoding\n", + __func__, __LINE__); aconnector->force_yuv420_output = true; stream = create_validate_stream_for_sink(aconnector, drm_mode, diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_debug.c b/drivers/gpu/drm/amd/display/dc/core/dc_debug.c index 0bb25c537243..af1ea5792560 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_debug.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_debug.c @@ -392,3 +392,43 @@ char *dc_status_to_str(enum dc_status status) return "Unexpected status error"; } + +char *dc_pixel_encoding_to_str(enum dc_pixel_encoding pixel_encoding) +{ + switch (pixel_encoding) { + case PIXEL_ENCODING_RGB: + return "RGB"; + case PIXEL_ENCODING_YCBCR422: + return "YUV422"; + case PIXEL_ENCODING_YCBCR444: + return "YUV444"; + case PIXEL_ENCODING_YCBCR420: + return "YUV420"; + default: + return "Unknown"; + } +} + +char *dc_color_depth_to_str(enum dc_color_depth color_depth) +{ + switch (color_depth) { + case COLOR_DEPTH_666: + return "6-bpc"; + case COLOR_DEPTH_888: + return "8-bpc"; + case COLOR_DEPTH_101010: + return "10-bpc"; + case COLOR_DEPTH_121212: + return "12-bpc"; + case COLOR_DEPTH_141414: + return "14-bpc"; + case COLOR_DEPTH_161616: + return "16-bpc"; + case COLOR_DEPTH_999: + return "9-bpc"; + case COLOR_DEPTH_111111: + return "11-bpc"; + default: + return "Unknown"; + } +} diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c index 8b0632104aef..55dc482d9b36 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -812,12 +812,12 @@ void dc_stream_log(const struct dc *dc, const struct dc_stream_state *stream) stream->dst.height, stream->output_color_space); DC_LOG_DC( - "\tpix_clk_khz: %d, h_total: %d, v_total: %d, pixelencoder:%d, displaycolorDepth:%d\n", + "\tpix_clk_khz: %d, h_total: %d, v_total: %d, pixel_encoding:%s, color_depth:%s\n", stream->timing.pix_clk_100hz / 10, stream->timing.h_total, stream->timing.v_total, - stream->timing.pixel_encoding, - stream->timing.display_color_depth); + dc_pixel_encoding_to_str(stream->timing.pixel_encoding), + dc_color_depth_to_str(stream->timing.display_color_depth)); DC_LOG_DC( "\tlink: %d\n", stream->link->link_index); diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_status.h b/drivers/gpu/drm/amd/display/dc/inc/core_status.h index fa5edd03d004..b5afd8c3103d 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/core_status.h +++ b/drivers/gpu/drm/amd/display/dc/inc/core_status.h @@ -60,5 +60,7 @@ enum dc_status { }; char *dc_status_to_str(enum dc_status status); +char *dc_pixel_encoding_to_str(enum dc_pixel_encoding pixel_encoding); +char *dc_color_depth_to_str(enum dc_color_depth color_depth); #endif /* _CORE_STATUS_H_ */ -- 2.51.0 From 69516fbdba6c809c70a2c8c633c3a34361e9d3f0 Mon Sep 17 00:00:00 2001 From: Aric Cyr Date: Sun, 27 Oct 2024 22:37:01 -0400 Subject: [PATCH 11/16] drm/amd/display: 3.2.308 This version brings along following fixes: - Prune Invalid Modes for HDMI Output - SPL Cleanup - Fix brightness level not retained over reboot - Remove inaccessible registers from DMU diagnostics Acked-by: Rodrigo Siqueira Signed-off-by: Aric Cyr Signed-off-by: Zaeem Mohamed Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 5cb58ca77890..ad9ce3d0bfcf 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -55,7 +55,7 @@ struct aux_payload; struct set_config_cmd_payload; struct dmub_notification; -#define DC_VER "3.2.307" +#define DC_VER "3.2.308" #define MAX_SURFACES 3 #define MAX_PLANES 6 -- 2.51.0 From 91c9e221fe2553edf2db71627d8453f083de87a1 Mon Sep 17 00:00:00 2001 From: Antonio Quartulli Date: Thu, 31 Oct 2024 16:28:48 +0100 Subject: [PATCH 12/16] drm/amdgpu: prevent NULL pointer dereference if ATIF is not supported acpi_evaluate_object() may return AE_NOT_FOUND (failure), which would result in dereferencing buffer.pointer (obj) while being NULL. Although this case may be unrealistic for the current code, it is still better to protect against possible bugs. Bail out also when status is AE_NOT_FOUND. This fixes 1 FORWARD_NULL issue reported by Coverity Report: CID 1600951: Null pointer dereferences (FORWARD_NULL) Signed-off-by: Antonio Quartulli Fixes: c9b7c809b89f ("drm/amd: Guard against bad data for ATIF ACPI method") Reviewed-by: Mario Limonciello Link: https://lore.kernel.org/r/20241031152848.4716-1-antonio@mandelbit.com Signed-off-by: Mario Limonciello Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c index cce85389427f..b8d4e07d2043 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c @@ -172,8 +172,8 @@ static union acpi_object *amdgpu_atif_call(struct amdgpu_atif *atif, &buffer); obj = (union acpi_object *)buffer.pointer; - /* Fail if calling the method fails and ATIF is supported */ - if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { + /* Fail if calling the method fails */ + if (ACPI_FAILURE(status)) { DRM_DEBUG_DRIVER("failed to evaluate ATIF got %s\n", acpi_format_exception(status)); kfree(obj); -- 2.51.0 From 136ce12bd5907388cb4e9aa63ee5c9c8c441640b Mon Sep 17 00:00:00 2001 From: Kenneth Feng Date: Fri, 1 Nov 2024 11:55:25 +0800 Subject: [PATCH 13/16] drm/amd/pm: always pick the pptable from IFWI always pick the pptable from IFWI on smu v14.0.2/3 Signed-off-by: Kenneth Feng Reviewed-by: Yang Wang Signed-off-by: Alex Deucher --- .../drm/amd/pm/swsmu/smu14/smu_v14_0_2_ppt.c | 65 +------------------ 1 file changed, 1 insertion(+), 64 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_2_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_2_ppt.c index cefe10b95d8e..884938d69fca 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_2_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_2_ppt.c @@ -367,54 +367,6 @@ static int smu_v14_0_2_store_powerplay_table(struct smu_context *smu) return 0; } -#ifndef atom_smc_dpm_info_table_14_0_0 -struct atom_smc_dpm_info_table_14_0_0 { - struct atom_common_table_header table_header; - BoardTable_t BoardTable; -}; -#endif - -static int smu_v14_0_2_append_powerplay_table(struct smu_context *smu) -{ - struct smu_table_context *table_context = &smu->smu_table; - PPTable_t *smc_pptable = table_context->driver_pptable; - struct atom_smc_dpm_info_table_14_0_0 *smc_dpm_table; - BoardTable_t *BoardTable = &smc_pptable->BoardTable; - int index, ret; - - index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, - smc_dpm_info); - - ret = amdgpu_atombios_get_data_table(smu->adev, index, NULL, NULL, NULL, - (uint8_t **)&smc_dpm_table); - if (ret) - return ret; - - memcpy(BoardTable, &smc_dpm_table->BoardTable, sizeof(BoardTable_t)); - - return 0; -} - -#if 0 -static int smu_v14_0_2_get_pptable_from_pmfw(struct smu_context *smu, - void **table, - uint32_t *size) -{ - struct smu_table_context *smu_table = &smu->smu_table; - void *combo_pptable = smu_table->combo_pptable; - int ret = 0; - - ret = smu_cmn_get_combo_pptable(smu); - if (ret) - return ret; - - *table = combo_pptable; - *size = sizeof(struct smu_14_0_powerplay_table); - - return 0; -} -#endif - static int smu_v14_0_2_get_pptable_from_pmfw(struct smu_context *smu, void **table, uint32_t *size) @@ -436,16 +388,12 @@ static int smu_v14_0_2_get_pptable_from_pmfw(struct smu_context *smu, static int smu_v14_0_2_setup_pptable(struct smu_context *smu) { struct smu_table_context *smu_table = &smu->smu_table; - struct amdgpu_device *adev = smu->adev; int ret = 0; if (amdgpu_sriov_vf(smu->adev)) return 0; - if (!adev->scpm_enabled) - ret = smu_v14_0_setup_pptable(smu); - else - ret = smu_v14_0_2_get_pptable_from_pmfw(smu, + ret = smu_v14_0_2_get_pptable_from_pmfw(smu, &smu_table->power_play_table, &smu_table->power_play_table_size); if (ret) @@ -455,16 +403,6 @@ static int smu_v14_0_2_setup_pptable(struct smu_context *smu) if (ret) return ret; - /* - * With SCPM enabled, the operation below will be handled - * by PSP. Driver involvment is unnecessary and useless. - */ - if (!adev->scpm_enabled) { - ret = smu_v14_0_2_append_powerplay_table(smu); - if (ret) - return ret; - } - ret = smu_v14_0_2_check_powerplay_table(smu); if (ret) return ret; @@ -2786,7 +2724,6 @@ static const struct pptable_funcs smu_v14_0_2_ppt_funcs = { .check_fw_status = smu_v14_0_check_fw_status, .setup_pptable = smu_v14_0_2_setup_pptable, .check_fw_version = smu_v14_0_check_fw_version, - .write_pptable = smu_cmn_write_pptable, .set_driver_table_location = smu_v14_0_set_driver_table_location, .system_features_control = smu_v14_0_system_features_control, .set_allowed_mask = smu_v14_0_set_allowed_mask, -- 2.51.0 From 922f0e00017b09d9d47e3efac008c8b20ed546a0 Mon Sep 17 00:00:00 2001 From: Srinivasan Shanmugam Date: Fri, 4 Oct 2024 09:12:39 +0530 Subject: [PATCH 14/16] drm/amdkfd: Use dynamic allocation for CU occupancy array in 'kfd_get_cu_occupancy()' MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit The `kfd_get_cu_occupancy` function previously declared a large `cu_occupancy` array as a local variable, which could lead to stack overflows due to excessive stack usage. This commit replaces the static array allocation with dynamic memory allocation using `kcalloc`, thereby reducing the stack size. This change avoids the risk of stack overflows in kernel space, in scenarios where `AMDGPU_MAX_QUEUES` is large. The allocated memory is freed using `kfree` before the function returns to prevent memory leaks. Fixes the below with gcc W=1: drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c: In function ‘kfd_get_cu_occupancy’: drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c:322:1: warning: the frame size of 1056 bytes is larger than 1024 bytes [-Wframe-larger-than=] 322 | } | ^ Fixes: 6ae9e1aba97e ("drm/amdkfd: Update logic for CU occupancy calculations") Cc: Harish Kasiviswanathan Cc: Felix Kuehling Cc: Christian König Cc: Alex Deucher Signed-off-by: Srinivasan Shanmugam Suggested-by: Mukul Joshi Reviewed-by: Mukul Joshi Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdkfd/kfd_process.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c index d4aa843aacfd..6bab6fc6a35d 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c @@ -271,11 +271,9 @@ static int kfd_get_cu_occupancy(struct attribute *attr, char *buffer) struct kfd_process *proc = NULL; struct kfd_process_device *pdd = NULL; int i; - struct kfd_cu_occupancy cu_occupancy[AMDGPU_MAX_QUEUES]; + struct kfd_cu_occupancy *cu_occupancy; u32 queue_format; - memset(cu_occupancy, 0x0, sizeof(cu_occupancy)); - pdd = container_of(attr, struct kfd_process_device, attr_cu_occupancy); dev = pdd->dev; if (dev->kfd2kgd->get_cu_occupancy == NULL) @@ -293,6 +291,10 @@ static int kfd_get_cu_occupancy(struct attribute *attr, char *buffer) wave_cnt = 0; max_waves_per_cu = 0; + cu_occupancy = kcalloc(AMDGPU_MAX_QUEUES, sizeof(*cu_occupancy), GFP_KERNEL); + if (!cu_occupancy) + return -ENOMEM; + /* * For GFX 9.4.3, fetch the CU occupancy from the first XCC in the partition. * For AQL queues, because of cooperative dispatch we multiply the wave count @@ -318,6 +320,7 @@ static int kfd_get_cu_occupancy(struct attribute *attr, char *buffer) /* Translate wave count to number of compute units */ cu_cnt = (wave_cnt + (max_waves_per_cu - 1)) / max_waves_per_cu; + kfree(cu_occupancy); return snprintf(buffer, PAGE_SIZE, "%d\n", cu_cnt); } -- 2.51.0 From afe260df55ac280cd56306248cb6d8a6b0db095c Mon Sep 17 00:00:00 2001 From: Victor Zhao Date: Thu, 24 Oct 2024 13:40:39 +0800 Subject: [PATCH 15/16] drm/amdgpu: skip amdgpu_device_cache_pci_state under sriov Under sriov, host driver will save and restore vf pci cfg space during reset. And during device init, under sriov, pci_restore_state happens after fullaccess released, and it can have race condition with mmio protection enable from host side leading to missing interrupts. So skip amdgpu_device_cache_pci_state for sriov. Signed-off-by: Victor Zhao Acked-by: Lijo Lazar Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index a7b55d6ac5c6..d97417c4c8e8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -6451,6 +6451,9 @@ bool amdgpu_device_cache_pci_state(struct pci_dev *pdev) struct amdgpu_device *adev = drm_to_adev(dev); int r; + if (amdgpu_sriov_vf(adev)) + return false; + r = pci_save_state(pdev); if (!r) { kfree(adev->pci_state); -- 2.51.0 From b78612939de33ffd247f3d39eaca7fb2648801ba Mon Sep 17 00:00:00 2001 From: Prike Liang Date: Thu, 24 Oct 2024 16:51:05 +0800 Subject: [PATCH 16/16] drm/amdgpu: Fix dummy_read_page overlapping mappings MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Use the dma_map_page_attrs() with DMA_ATTR_SKIP_CPU_SYNC attribute setting to handle the dummy page overlapping mappings. Signed-off-by: Prike Liang Suggested-by: Christian König Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c index 256b95232de5..b2033f8352f5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c @@ -78,8 +78,9 @@ static int amdgpu_gart_dummy_page_init(struct amdgpu_device *adev) if (adev->dummy_page_addr) return 0; - adev->dummy_page_addr = dma_map_page(&adev->pdev->dev, dummy_page, 0, - PAGE_SIZE, DMA_BIDIRECTIONAL); + adev->dummy_page_addr = dma_map_page_attrs(&adev->pdev->dev, dummy_page, 0, + PAGE_SIZE, DMA_BIDIRECTIONAL, + DMA_ATTR_SKIP_CPU_SYNC); if (dma_mapping_error(&adev->pdev->dev, adev->dummy_page_addr)) { dev_err(&adev->pdev->dev, "Failed to DMA MAP the dummy page\n"); adev->dummy_page_addr = 0; @@ -99,8 +100,9 @@ void amdgpu_gart_dummy_page_fini(struct amdgpu_device *adev) { if (!adev->dummy_page_addr) return; - dma_unmap_page(&adev->pdev->dev, adev->dummy_page_addr, PAGE_SIZE, - DMA_BIDIRECTIONAL); + dma_unmap_page_attrs(&adev->pdev->dev, adev->dummy_page_addr, PAGE_SIZE, + DMA_BIDIRECTIONAL, + DMA_ATTR_SKIP_CPU_SYNC); adev->dummy_page_addr = 0; } -- 2.51.0