On Tue, Apr 16, 2024 at 03:52:40AM +0000, Zhu Wang wrote: > From: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx> > > stable inclusion > from stable-v6.7.3 > commit 2ef98c6d753a744e333b7e34b9cf687040fba57d > category: bugfix > bugzilla: https://gitee.com/src-openeuler/kernel/issues/I9BV4C > CVE: CVE-2023-52624 > > Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2ef98c6d753a744e333b7e34b9cf687040fba57d > > -------------------------------- > > [ Upstream commit e5ffd1263dd5b44929c676171802e7b6af483f21 ] > > [Why] > DMCUB can be in idle when we attempt to interface with the HW through > the GPINT mailbox resulting in a system hang. > > [How] > Add dc_wake_and_execute_gpint() to wrap the wake, execute, sleep > sequence. > > If the GPINT executes successfully then DMCUB will be put back into > sleep after the optional response is returned. > > It functions similar to the inbox command interface. > > Cc: Mario Limonciello <mario.limonciello@xxxxxxx> > Cc: Alex Deucher <alexander.deucher@xxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx > Reviewed-by: Hansen Dsouza <hansen.dsouza@xxxxxxx> > Acked-by: Wayne Lin <wayne.lin@xxxxxxx> > Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx> > Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx> > Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> > > This commit comes from following commits: > > 8774029f76b9 ("drm/amd/display: Add DCN35 CLK_MGR") > 65138eb72e1f ("drm/amd/display: Add DCN35 DMUB") > dc01c4b79bfe ("drm/amd/display: Update driver and IPS interop") > 820c3870c491 ("drm/amd/display: Refactor DMCUB enter/exit idle interface") > 2ef98c6d753a ("drm/amd/display: Wake DMCUB before executing GPINT commands") Why are you putting multiple commits together and not just submitting the individual ones? And what is this for? confused, greg k-h
