On Mon, Aug 25, 2025 at 5:56 PM Timur Kristóf <timur.kris...@gmail.com> wrote: > > Compared to the previous version of this series, v2 fixes > the rebase conflicts on amd-staging-drm-next and includes > an additional patch to address page flip timeouts when the > displays are blanked. > > Currently when using DC on DCE 6, it produces pageflip timeouts: > > 1. When displays are blanked > This is caused by (mistakenly) turning off the display engine > clock on DCE 6.0 and 6.4 which is also the DP clock. > > 2. After suspend/resume > The root cause is that DC assumes that the VUPDATE interrupt > is always present, when in fact it isn't supported by DCE 6, > which also doesn't support VRR. > > Finally, there is also a patch to disable fast boot mode > on DCE 6. The rationale is that this already didn't work > on DCE 8, and even if it did I have no means to test it. > > Timur Kristóf (4): > drm/amd/display: Keep PLL0 running on DCE 6.0 and 6.4 (v2) > drm/amd/display: Disable fastboot on DCE 6 too > drm/amd/display: Disable VRR on DCE 6 > drm/amd/display: Don't use non-registered VUPDATE on DCE 6 (v2)
Series is: Reviewed-by: Alex Deucher <alexander.deuc...@amd.com> > > .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 26 ++++++++++++------- > .../amd/display/amdgpu_dm/amdgpu_dm_crtc.c | 16 +++++++----- > drivers/gpu/drm/amd/display/dc/dc_helper.c | 5 ++++ > drivers/gpu/drm/amd/display/dc/dm_services.h | 2 ++ > .../amd/display/dc/hwss/dce110/dce110_hwseq.c | 6 ++--- > .../dc/resource/dce60/dce60_resource.c | 11 +++++++- > 6 files changed, 46 insertions(+), 20 deletions(-) > > -- > 2.50.1 >
