diff options
| author | Dave Airlie <airlied@redhat.com> | 2025-07-21 11:57:43 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2025-07-21 11:57:43 +1000 |
| commit | acab5fbd77a55dc7913632a354b969ae9090e78c (patch) | |
| tree | 0d178d5fb40d30c719928155a9ce285bbbb5cc64 /drivers/gpu/drm/amd/display/dc/link/link_dpms.c | |
| parent | be3cd668fffe2a1dc8a9c617b44c5f46fa2e4b96 (diff) | |
| parent | 6ac55eab4fc41e0ea80f9064945e4340f13d8b5c (diff) | |
Merge tag 'amd-drm-next-6.17-2025-07-17' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.17-2025-07-17:
amdgpu:
- Partition fixes
- Reset fixes
- RAS fixes
- i2c fix
- MPC updates
- DSC cleanup
- EDID fixes
- Display idle D3 update
- IPS updates
- DMUB updates
- Retimer fix
- Replay fixes
- Fix DC memory leak
- Initial support for smartmux
- DCN 4.0.1 degamma LUT fix
- Per queue reset cleanups
- Track ring state associated with a fence
- SR-IOV fixes
- SMU fixes
- Per queue reset improvements for GC 9+ compute
- Per queue reset improvements for GC 10+ gfx
- Per queue reset improvements for SDMA 5+
- Per queue reset improvements for JPEG 2+
- Per queue reset improvements for VCN 2+
- GC 8 fix
- ISP updates
amdkfd:
- Enable KFD on LoongArch
radeon:
- Drop console lock during suspend/resume
UAPI:
- Add userq slot info to INFO IOCTL
Used for IGT userq validation tests (https://lists.freedesktop.org/archives/igt-dev/2025-July/093228.html)
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://lore.kernel.org/r/20250717213827.2061581-1-alexander.deucher@amd.com
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/link/link_dpms.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/link_dpms.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c index bd51b279ad148..8c8682f743d6f 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c @@ -140,7 +140,7 @@ void link_blank_dp_stream(struct dc_link *link, bool hw_init) } } - if (((!link->wa_flags.dp_keep_receiver_powered) || hw_init) && + if (((!dc->is_switch_in_progress_dest) && ((!link->wa_flags.dp_keep_receiver_powered) || hw_init)) && (link->type != dc_connection_none)) dpcd_write_rx_power_ctrl(link, false); } @@ -2537,6 +2537,14 @@ void link_set_dpms_on( !pipe_ctx->next_odm_pipe) { pipe_ctx->stream->dpms_off = false; update_psp_stream_config(pipe_ctx, false); + + if (link->is_dds) { + uint32_t post_oui_delay = 30; // 30ms + + dpcd_set_source_specific_data(link); + msleep(post_oui_delay); + } + return; } @@ -2629,6 +2637,15 @@ void link_set_dpms_on( dp_is_128b_132b_signal(pipe_ctx)) update_sst_payload(pipe_ctx, true); + /* Corruption was observed on systems with display mux when stream gets + * enabled after the mux switch. Having a small delay between link + * training and stream unblank resolves the corruption issue. + * This is workaround. + */ + if (pipe_ctx->stream->signal == SIGNAL_TYPE_EDP && + link->is_display_mux_present) + msleep(20); + dc->hwss.unblank_stream(pipe_ctx, &pipe_ctx->stream->link->cur_link_settings); |