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| author | Dave Airlie <airlied@redhat.com> | 2022-12-09 12:08:12 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2022-12-09 12:08:13 +1000 |
| commit | 9e5737bd0457955690d871b3f4fc66dea40ea141 (patch) | |
| tree | 959c2e9be38afc13ec86af6ca702f7771683af72 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | |
| parent | f06a4da3adf252a6ecd37c4ea1c3540db0b27738 (diff) | |
| parent | 4670ac706ff9b3d0adb766ef9e93cc36d9dda474 (diff) | |
| download | linux-9e5737bd0457955690d871b3f4fc66dea40ea141.tar.gz linux-9e5737bd0457955690d871b3f4fc66dea40ea141.tar.bz2 linux-9e5737bd0457955690d871b3f4fc66dea40ea141.zip | |
Merge tag 'amd-drm-next-6.2-2022-12-02' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.2-2022-12-02:
amdgpu:
- Fix CPU stalls when allocating large amounts of system memory
- SR-IOV fixes
- BACO fixes
- Enable GC 11.0.4
- Enable PSP 13.0.11
- Enable SMU 13.0.11
- Enable NBIO 7.7.1
- Fix reported VCN capabilities for RDNA2
- Misc cleanups
- PCI ref count fixes
- DCN DPIA fixes
- DCN 3.2.x fixes
- Documentation updates
- GC 11.x fixes
- VCN RAS fixes
- APU fix for passthrough
- PSR fixes
- GFX preemption support for gfx9
- SDMA fix for S0ix
amdkfd:
- Enable KFD support for GC 11.0.4
- Misc cleanups
- Fix memory leak
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221202160659.5987-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c index 2c43cdd2e707..461037a3dd75 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -2639,6 +2639,25 @@ static int dp_mst_progress_status_show(struct seq_file *m, void *unused) return 0; } +/* + * Reports whether the connected display is a USB4 DPIA tunneled display + * Example usage: cat /sys/kernel/debug/dri/0/DP-8/is_dpia_link + */ +static int is_dpia_link_show(struct seq_file *m, void *data) +{ + struct drm_connector *connector = m->private; + struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); + struct dc_link *link = aconnector->dc_link; + + if (connector->status != connector_status_connected) + return -ENODEV; + + seq_printf(m, "%s\n", (link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA) ? "yes" : + (link->ep_type == DISPLAY_ENDPOINT_PHY) ? "no" : "unknown"); + + return 0; +} + DEFINE_SHOW_ATTRIBUTE(dp_dsc_fec_support); DEFINE_SHOW_ATTRIBUTE(dmub_fw_state); DEFINE_SHOW_ATTRIBUTE(dmub_tracebuffer); @@ -2650,6 +2669,7 @@ DEFINE_SHOW_ATTRIBUTE(internal_display); DEFINE_SHOW_ATTRIBUTE(psr_capability); DEFINE_SHOW_ATTRIBUTE(dp_is_mst_connector); DEFINE_SHOW_ATTRIBUTE(dp_mst_progress_status); +DEFINE_SHOW_ATTRIBUTE(is_dpia_link); static const struct file_operations dp_dsc_clock_en_debugfs_fops = { .owner = THIS_MODULE, @@ -2794,7 +2814,8 @@ static const struct { {"max_bpc", &dp_max_bpc_debugfs_fops}, {"dsc_disable_passthrough", &dp_dsc_disable_passthrough_debugfs_fops}, {"is_mst_connector", &dp_is_mst_connector_fops}, - {"mst_progress_status", &dp_mst_progress_status_fops} + {"mst_progress_status", &dp_mst_progress_status_fops}, + {"is_dpia_link", &is_dpia_link_fops} }; #ifdef CONFIG_DRM_AMD_DC_HDCP |