| Message ID | 20241001024816.111283-1-vicamo.yang@canonical.com |
|---|---|
| Headers | show |
| Series | Fix AMD Instinct MI300 unusable with integrated display | expand |
You-Sheng Yang kirjoitti 1.10.2024 klo 5.48: > BugLink: https://bugs.launchpad.net/bugs/2078773 > > [Impact] > > Missing devices nodes for AMD Instinct MI300 card when installed along > with integrated display. > > [Fix] > > * https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v6.12-rc1&id=5fbca8b48b3050ae7fb611a8b09af60012ed6de1 > ("drm: Use XArray instead of IDR for minors") > * https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v6.12-rc1&id=45c4d994b82b08f0ce5eb50f8da29379c92a391e > ("accel: Use XArray instead of IDR for minors") > * https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v6.12-rc1&id=071d583e01c88272f6ff216d4f867f8f35e94d7d > ("drm: Expand max DRM device number to full MINORBITS") > > [Test Case] > > When enabled, additional drm devices will become available: > ``` > root123@g593-sx1:~$ ls -l /sys/class/drm/ > lrwxrwxrwx 1 root root 0 Sep 21 00:55 card10 -> ../../devices/platform/amdgpu_xcp_7/drm/card10 > lrwxrwxrwx 1 root root 0 Sep 21 00:55 card11 -> ../../devices/platform/amdgpu_xcp_8/drm/card11 > lrwxrwxrwx 1 root root 0 Sep 21 00:55 card12 -> ../../devices/platform/amdgpu_xcp_9/drm/card12 > lrwxrwxrwx 1 root root 0 Sep 21 00:55 card13 -> ../../devices/platform/amdgpu_xcp_10/drm/card13 > lrwxrwxrwx 1 root root 0 Sep 21 00:55 card14 -> ../../devices/platform/amdgpu_xcp_11/drm/card14 > lrwxrwxrwx 1 root root 0 Sep 21 00:55 card15 -> ../../devices/platform/amdgpu_xcp_12/drm/card15 > lrwxrwxrwx 1 root root 0 Sep 21 00:55 card16 -> ../../devices/platform/amdgpu_xcp_13/drm/card16 > ... > ``` > > [Where problems could occur] > > New hardware support. Expect more fixes in need. > > [Other Info] > > Targeting last supported generic/oem kernels only. Nominated for oem-6.11, > generic-6.11 and unstable. > > Michał Winiarski (3): > drm: Use XArray instead of IDR for minors > accel: Use XArray instead of IDR for minors > drm: Expand max DRM device number to full MINORBITS > > drivers/accel/drm_accel.c | 110 +++------------------------------ > drivers/gpu/drm/drm_drv.c | 97 ++++++++++++++--------------- > drivers/gpu/drm/drm_file.c | 2 +- > drivers/gpu/drm/drm_internal.h | 4 -- > include/drm/drm_accel.h | 18 +----- > include/drm/drm_file.h | 5 ++ > 6 files changed, 62 insertions(+), 174 deletions(-) > applied to oracular, thanks not needed in unstable as it hasn't yet been forked from oracular
BugLink: https://bugs.launchpad.net/bugs/2078773 [Impact] Missing devices nodes for AMD Instinct MI300 card when installed along with integrated display. [Fix] * https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v6.12-rc1&id=5fbca8b48b3050ae7fb611a8b09af60012ed6de1 ("drm: Use XArray instead of IDR for minors") * https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v6.12-rc1&id=45c4d994b82b08f0ce5eb50f8da29379c92a391e ("accel: Use XArray instead of IDR for minors") * https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v6.12-rc1&id=071d583e01c88272f6ff216d4f867f8f35e94d7d ("drm: Expand max DRM device number to full MINORBITS") [Test Case] When enabled, additional drm devices will become available: ``` root123@g593-sx1:~$ ls -l /sys/class/drm/ lrwxrwxrwx 1 root root 0 Sep 21 00:55 card10 -> ../../devices/platform/amdgpu_xcp_7/drm/card10 lrwxrwxrwx 1 root root 0 Sep 21 00:55 card11 -> ../../devices/platform/amdgpu_xcp_8/drm/card11 lrwxrwxrwx 1 root root 0 Sep 21 00:55 card12 -> ../../devices/platform/amdgpu_xcp_9/drm/card12 lrwxrwxrwx 1 root root 0 Sep 21 00:55 card13 -> ../../devices/platform/amdgpu_xcp_10/drm/card13 lrwxrwxrwx 1 root root 0 Sep 21 00:55 card14 -> ../../devices/platform/amdgpu_xcp_11/drm/card14 lrwxrwxrwx 1 root root 0 Sep 21 00:55 card15 -> ../../devices/platform/amdgpu_xcp_12/drm/card15 lrwxrwxrwx 1 root root 0 Sep 21 00:55 card16 -> ../../devices/platform/amdgpu_xcp_13/drm/card16 ... ``` [Where problems could occur] New hardware support. Expect more fixes in need. [Other Info] Targeting last supported generic/oem kernels only. Nominated for oem-6.11, generic-6.11 and unstable. Michał Winiarski (3): drm: Use XArray instead of IDR for minors accel: Use XArray instead of IDR for minors drm: Expand max DRM device number to full MINORBITS drivers/accel/drm_accel.c | 110 +++------------------------------ drivers/gpu/drm/drm_drv.c | 97 ++++++++++++++--------------- drivers/gpu/drm/drm_file.c | 2 +- drivers/gpu/drm/drm_internal.h | 4 -- include/drm/drm_accel.h | 18 +----- include/drm/drm_file.h | 5 ++ 6 files changed, 62 insertions(+), 174 deletions(-)