- 14 Sep, 2021 38 commits
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Hersen Wu authored
[Why] call stack of amdgpu dsc mst pbn, slot num calculation is as below: -compute_bpp_x16_from_target_bandwidth -decide_dsc_target_bpp_x16 -setup_dsc_config -dc_dsc_compute_bandwidth_range -compute_mst_dsc_configs_for_link -compute_mst_dsc_configs_for_state from pbn -> dsc target bpp_x16 bpp_x16 is calulated by compute_bpp_x16_from_target_bandwidth. Beside pixel clock and bpp, num_slices_h and bpp_increment_div will also affect bpp_x16. from dsc target bpp_x16 -> pbn within dm_update_mst_vcpi_slots_for_dsc, pbn = drm_dp_calc_pbn_mode(clock, bpp_x16, true); drm_dp_calc_pbn_mode(int clock, int bpp, bool dsc) { return DIV_ROUND_UP_ULL(mul_u32_u32(clock * (bpp / 16), 64 * 1006), 8 * 54 * 1000 * 1000); } bpp / 16 trunc digits after decimal point. This will cause calculation delta. drm_dp_calc_pbn_mode does not have other informations, like num_slices_h, bpp_increment_div. therefore, it does not do revese calcuation properly from bpp_x16 to pbn. pbn from drm_dp_calc_pbn_mode is less than pbn from compute_mst_dsc_configs_for_state. This cause not enough mst slot allocated to display. display could not visually light up. [How] pass pbn from compute_mst_dsc_configs_for_state to dm_update_mst_vcpi_slots_for_dsc Cc: stable@vger.kernel.org Reviewed-by:Scott Foster <Scott.Foster@amd.com> Acked-by:
Mikita Lipski <mikita.lipski@amd.com> Signed-off-by:
Hersen Wu <hersenwu@amd.com> Tested-by:
Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by:
Alex Deucher <alexander.deucher@amd.com>
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Dale Zhao authored
[Why] In some scenarios like fullscreen game, major plane is scaled. Then if a upper layer owns the cursor, cursor is invisiable in the majority of the screen. [How] Instead assuming upper plane handles cursor, summing up upper split planes on the same layer. If whole upper plane covers current half/whole pipe plane, disable cursor. Reviewed-by:
Krunoslav Kovac <Krunoslav.Kovac@amd.com> Acked-by:
Dale Zhao <dale.zhao@amd.com> Tested-by:
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Nicholas Kazlauskas authored
[Why] The current call to optimize_bandwidth never occurs because flip is always pending from the FULL and FAST updates. [How] Optimize on the following flip when it's a FAST update and we know we aren't going to be modifying the clocks again. Reviewed-by:
Bhawanpreet Lakha <bhawanpreet.lakha@amd.com> Acked-by:
Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Tested-by:
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Qingqing Zhuo authored
[Why] HPD disable and enable sequences are not mutually exclusive on Linux. For HPDs that spans under 1s (i.e. HPD low = 1s), part of the disable sequence (specifically, a request to SMU to lower refclk) could come right before the call to PHY enablement, causing DMUB to access an irresponsive PHY and thus a hard hang on the system. [How] Disable 48mhz refclk off when there is any HPD status in connected state. Reviewed-by:
Qingqing Zhuo <qingqing.zhuo@amd.com> Tested-by:
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Jaehyun Chung authored
[Why] In YUV case, need to set the input TF to sRGB instead of BT709, even though the input TF type is distributed. SRGB was not being used because pixel format was not being set in the surface update sequence. Also, we were using the same coefficients for degamma and regamma formula, causing the cutoff point of the linear section of the curve to be incorrect. [How] Set pixel format in the surface update sequence. Add separate coefficient arrays for regamma and degamma. Reviewed-by:
Jaehyun Chung <jaehyun.chung@amd.com> Tested-by:
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Anson Jacob authored
This reverts commit f5b6a20c. This patch broke new settings from taking effect. Hotplug is required for new settings to take effect. Reviewed-by:
Anson Jacob <Anson.Jacob@amd.com> Tested-by:
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Harry Wentland authored
On Carrizo/Stoney systems we set backlight through panel_cntl, i.e. directly via the PWM registers, if DMCU is not initialized. We always read it back through ABM registers which leads to a mismatch and forces atomic_commit to program the backlight each time. Instead make sure we use the same logic for backlight readback, i.e. read it from panel_cntl if DMCU is not initialized. We also need to remove some extraneous and incorrect calculations at the end of dce_get_16_bit_backlight_from_pwm. Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1666 Cc: stable@vger.kernel.org Reviewed-by:
Josip Pavic <josip.pavic@amd.com> Acked-by:
Harry Wentland <harry.wentland@amd.com> Tested-by:
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Anson Jacob authored
coccinelle patch used: @@ expression enc1,vpg,afmt; @@ - if (!enc1 || !vpg || !afmt) + if (!enc1 || !vpg || !afmt) { + kfree(enc1); + kfree(vpg); + kfree(afmt); return NULL; + } Addresses-Coverity-ID: 1466017: ("Resource leaks") Reviewed-by:Aurabindo Jayamohanan Pillai <Aurabindo.Pillai@amd.com> Acked-by:
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Aric Cyr authored
* coverity kernel memory leak fixes * NULL pointer dereference fixes * Add periodic detection when zstate is enabled * Fork thread to offload work of hpd_rx_irq Acked-by:
Aric Cyr <aric.cyr@amd.com> Tested-by:
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Qingqing Zhuo authored
This reverts commit "drm/amd/display: w/a for hard hang on HPD on native DP". [How & Why] Revert change as it does not fix the hard hang in all cases. An alternative w/a will be submitted separately. Acked-by:
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Anthony Koo authored
* PSR optimizations * add support for ABM when ODM is enabled * Z10 with PSR fixes * Increase trace buffer Acked-by:
Anthony Koo <Anthony.Koo@amd.com> Tested-by:
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Meenakshikumar Somasundaram authored
[Why] Need a check for NULL pointer access for ddc pin and aux engine. [How] Adding a check for ddc pin and aux engine accesses. Reviewed-by:
Jimmy Kizito <jimmy.kizito@amd.com> Acked-by:
Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com> Tested-by:
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Anson Jacob authored
This is an attempt to fix false warning raised by Coverity via multiple CID's. Addresses-Coverity-ID: 1487412 ("Free of address-of expression") Cc: Wesley Chalmers <Wesley.Chalmers@amd.com> Reviewed-by:Wesley Chalmers <wesley.chalmers@amd.com> Acked-by:
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Jimmy Kizito authored
[Why] Assuming DIG link encoders are statically mapped to links can cause system instability due to null pointer accesses. [How] - Add checks for non-null link encoder pointers before trying to access them. - When a hardware platform uses dynamic DIG assignment (i.e. resource function 'link_encs_assign' defined) and a link supports flexible mapping to DIGs, use the link_enc_cfg API to access the DIG assigned to a link or stream. Reviewed-by:
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Aurabindo Pillai authored
[Why] When a connector is unplugged, dpms is forced off so that some connector allocations are cleared off. This is done outside the commit sequence from the userspace. This causes HUBP blank. Due to the blank hubp, a non blocking commit which queues flip will encounter a timeout waiting for the flip_done because prior to writing the surface flip address, hubp was in blank. [How] Add a marker to DM's crtc state and use this field to indicate whether dpms was forced off during an HPD. Check for this marker before queuing the flip. Reviewed-by:
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Josip Pavic authored
[Why] When ODM is enabled, ABM is blocked on dcn31 but unblocked on dcn30. Since the dcn31 firmware is now able to handle ABM interop with ODM, it is no longer necessary to block ABM when ODM is enabled. Since the dcn30 firmware does not handle ABM interop with ODM, leaving that combination unblocked can lead to one side of the screen appearing brighter than the other. [How] When ODM is enabled, unblock abm on dcn31 and block it on dcn30 Reviewed-by:
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Wayne Lin authored
[Why] Currently, we will try to get dm.dc_lock in handle_hpd_rx_irq() when link lost happened, which is risky and could cause deadlock. e.g. If we are under procedure to enable MST streams and then monitor happens to toggle short hpd to notify link lost, then handle_hpd_rx_irq() will get blocked due to stream enabling flow has dc_lock. However, under MST, enabling streams involves communication with remote sinks which need to use handle_hpd_rx_irq() to handle sideband messages. Thus, we have deadlock here. [How] Target is to have handle_hpd_rx_irq() finished as soon as possilble. Hence we can react to interrupt quickly. Besides, we should avoid to grabe dm.dc_lock within handle_hpd_rx_irq() to avoid deadlock situation. Firstly, revert patches which introduced to use dm.dc_lock in handle_hpd_rx_irq(): * commit ("drm/amd/display: NULL pointer error during ") * commit ("drm/amd/display: Only one display lights up while using MST") * commit ("drm/amd/display: take dc_lock in short pulse handler only") Instead, create work to handle irq events which needs dm.dc_lock. Besides: * Create struct hpd_rx_irq_offload_work_queue for each link to handle its short hpd events * Avoid to handle link lost/ automated test if the link is disconnected * Defer dc_lock needed works in dc_link_handle_hpd_rx_irq(). This function should just handle simple stuff for us (e.g. DPCD R/W). However, deferred works should still be handled by the order that dc_link_handle_hpd_rx_irq() used to be. * Change function name dm_handle_hpd_rx_irq() to dm_handle_mst_sideband_msg() to be more specific Reviewed-by:Wayne Lin <Wayne.Lin@amd.com> Tested-by:
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Wayne Lin authored
[Why & How] Due to some code flow constraints, we need to defer dc_lock needed works from dc_link_handle_hpd_rx_irq(). Thus, do following changes: * Change allow_hpd_rx_irq() from static to public * Change handle_automated_test() from static to public * Extract link lost handling flow out from dc_link_handle_hpd_rx_irq() and put those into a new function dc_link_dp_handle_link_loss() * Add one option parameter to decide whether defer works within dc_link_handle_hpd_rx_irq() Acked-by:
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Wenjing Liu authored
[why] According to DP specs dfp cap ext validation is only for branch device withou 128b/132b channel coding support and downstream of the branch device doesn't have compression. Therefore we are adding conditions to only do dfp cap extension validation for branch devcie supporting 8b/10b channel coding only and it has no DSC passthrough capability. Acked-by:
Wenjing Liu <wenjing.liu@amd.com> Reviewed-by:
George Shen <george.shen@amd.com> Tested-by:
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Wenjing Liu authored
[why] Before get dsc bw range is used to compute DSC bw range based on the given fixed bpp min/max input. The new change will merge any specs, signal, timing specific bpp range decision into this function. So the function needs to make a decision with all aspects considered. Acked-by:
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Leo (Hanghong) Ma authored
[Why] During DQE's promotion test, system hang issue is found on linux system; [How] 1. Add NULL pointor check for the link in the sequence trace function; 2. Get the right link for the stream encoder before blank DP stream; Acked-by:
Leo (Hanghong) Ma <hanghong.ma@amd.com> Reviewed-by:
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Leo (Hanghong) Ma authored
This reverts commit "Revert "Add DPCD writes at key points" ". The following patch will fix the system hang issue. v2: squash in indentation warning fix Signed-off-by:
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Wenjing Liu authored
[why] DM needs to know how much overhead is added to DSC as result of AMD internal DSC limitation. Acked-by:
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Felix Kuehling authored
On some GPUs the PCIe atomic requirement for KFD depends on the MEC firmware version. Add a firmware version check for this. The minimum firmware version that works without atomics can be updated in the device_info structure for each GPU type. Move PCIe atomic detection from kgd2kfd_probe into kgd2kfd_device_init because the MEC firmware is not loaded yet at the probe stage. Signed-off-by:
Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by:
Guchun Chen <guchun.chen@amd.com> Signed-off-by:
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xinhui pan authored
Direct IB pool is used for vce/vcn IB extra msg too. Increase its size to AMDGPU_IB_POOL_SIZE. v2: Squash in unused variable removal Signed-off-by:
xinhui pan <xinhui.pan@amd.com> Reviewed-by:
Christian König <christian.koenig@amd.com> Signed-off-by:
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Lang Yu authored
Add manual sclk/vddc setting supoort via pp_od_clk_voltage sysfs to maintain consistency with other asics. As cyan skillfish doesn't support DPM, there is only a single frequency and voltage to adjust. v2: maintain consistency and add command guide. v3: adjust user settings storage and coding style. Command guide: echo vc point sclk vddc > pp_od_clk_voltage "vc" - sclk voltage curve "point" - must be 0 "sclk" - target value of sclk(MHz), should be in safe range "vddc" - target value of vddc(mV), a 6.25(mV) stepping is recommended and should be in safe range (the real vddc is an approximation of target value) echo c > pp_od_clk_voltage "c" - commit the changes of sclk and vddc, only after the commit command, the target values set by "vc" command will take effect echo r > pp_od_clk_voltage "r" - reset sclk and vddc to default value, a subsequent commit command is needed to take effect Example: 1) Check default sclk and vddc $ cat pp_od_clk_voltage OD_SCLK: 0: 1800Mhz * OD_VDDC: 0: 862mV * OD_RANGE: SCLK: 1000Mhz 2000Mhz VDDC: 700mV 1129mV 2) Set sclk to 1500MHz and vddc to 700mV $ echo vc 0 1500 700 > pp_od_clk_voltage $ echo c > pp_od_clk_voltage $ cat pp_od_clk_voltage OD_SCLK: 0: 1500Mhz * OD_VDDC: 0: 693mV * OD_RANGE: SCLK: 1000Mhz 2000Mhz VDDC: 700mV 1129mV 3) Reset sclk and vddc to default $ echo r > pp_od_clk_voltage $ echo c > pp_od_clk_voltage $ cat pp_od_clk_voltage OD_SCLK: 0: 1800Mhz * OD_VDDC: 0: 874mV * OD_RANGE: SCLK: 1000Mhz 2000Mhz VDDC: 700mV 1129mV NOTE: We don't specify an explicit safe range, you can set any values between min and max at your own risk. Enjoy! Signed-off-by:
Lang Yu <lang.yu@amd.com> Reviewed-by:
Lijo Lazar <lijo.lazar@amd.com> Reviewed-by:
Huang Rui <ray.huang@amd.com> Signed-off-by:
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Lang Yu authored
Add print_clk_levels and read_sensor pptable funcs for cyan skilfish. v2: keep consitency and add get_gpu_metrics callback. v3: use sysfs_emit_at() in sysfs show function. Signed-off-by:
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Lang Yu authored
Add SmuMetrics_t definition for cyan skilfish. v2: update SmuMetrics_t definition. v3: cleanup and rearrange the order of fields. Signed-off-by:
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Lang Yu authored
Add some PPSMC MSGs for cyan skilfish. Signed-off-by:
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Lang Yu authored
sysfs_emit and sysfs_emit_at requrie a page boundary aligned buf address. Make them happy! v2: use an inline function. Warning Log: [ 492.545174] invalid sysfs_emit_at: buf:00000000f19bdfde at:0 [ 492.546416] WARNING: CPU: 7 PID: 1304 at fs/sysfs/file.c:765 sysfs_emit_at+0x4a/0xa0 [ 492.654805] Call Trace: [ 492.655353] ? smu_cmn_get_metrics_table+0x40/0x50 [amdgpu] [ 492.656780] vangogh_print_clk_levels+0x369/0x410 [amdgpu] [ 492.658245] vangogh_common_print_clk_levels+0x77/0x80 [amdgpu] [ 492.659733] ? preempt_schedule_common+0x18/0x30 [ 492.660713] smu_print_ppclk_levels+0x65/0x90 [amdgpu] [ 492.662107] amdgpu_get_pp_od_clk_voltage+0x13d/0x190 [amdgpu] [ 492.663620] dev_attr_show+0x1d/0x40 Signed-off-by:
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Anson Jacob authored
Assert only when FPU is not enabled. Fixes: 0ea7ee82 ("drm/amd/display: Add DC_FP helper to check FPU state") Signed-off-by:
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John Clements authored
Added trigger error support for MP0/MP1/MPIO blocks Reviewed-by:
Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by:
John Clements <john.clements@amd.com> Signed-off-by:
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John Clements authored
Remove uncessary RAS status prints Reviewed-by:
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Likun Gao authored
Refactor the code of amdgpu_ucode_init_single_fw to make it more readable as too many ucode need to handle on this function currently. Signed-off-by:
Likun Gao <Likun.Gao@amd.com> Reviewed-by:
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Nicholas Kazlauskas authored
[Why] If we're running a headless config with 0 links then the vblank workqueue will be NULL - causing a NULL pointer exception during any commit. [How] Guard access to the workqueue if it's NULL and don't queue or flush work if it is. Reported-by:
Mike Lothian <mike@fireburn.co.uk> BugLink: https://gitlab.freedesktop.org/drm/amd/-/issues/1700 Fixes: 58aa1c50 ("drm/amd/display: Use vblank control events for PSR enable/disable") Signed-off-by:
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Roy Sun authored
Enable sysnode vclk and dclk on Navi21 asic for guest smi Signed-off-by:
Roy Sun <Roy.Sun@amd.com> Reviewed-by:
Emily.Deng <Emily.Deng@amd.com> Signed-off-by:
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Nirmoy Das authored
Use debugfs_create_file_size API for creating ring debugfs, and as its a NULL returning API, change the return type for amdgpu_debugfs_ring_init API as well. Also cleanup surrounding code. Signed-off-by:
Nirmoy Das <nirmoy.das@amd.com> Reviewed-by:
Shashank Sharma <shashank.sharma@amd.com> Signed-off-by:
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Nirmoy Das authored
debugfs APIs returns encoded error so use IS_ERR for checking return value. v2: return PTR_ERR(ent) References: https://gitlab.freedesktop.org/drm/amd/-/issues/1686Signed-off-by:
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- 07 Sep, 2021 2 commits
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chongjiapeng authored
drm/amd/display: make configure_lttpr_mode_transparent and configure_lttpr_mode_non_transparent static This symbols is not used outside of dc_link_dp.c, so marks it static. Fix the following sparse warning: drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:1766:16: warning: symbol 'configure_lttpr_mode_non_transparent' was not declared. Should it be static? drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:1755:16: warning: symbol 'configure_lttpr_mode_transparent' was not declared. Should it be static? Reported-by:
Abaci Robot <abaci@linux.alibaba.com> Signed-off-by:
chongjiapeng <jiapeng.chong@linux.alibaba.com> Signed-off-by:
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chongjiapeng authored
Fix the following coccicheck warning: ./drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c:643:35-36: WARNING comparing pointer to 0. Reported-by:
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