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cba07cce39ace4c719e63b0410a53480aee6aaee
linux/drivers/gpu/drm
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Mario Limonciello cba07cce39 drm/amd: Check if ASPM is enabled from PCIe subsystem 
commit 0064b0ce85 ("drm/amd/pm: enable ASPM by default") enabled ASPM
by default but a variety of hardware configurations it turns out that this
caused a regression.

* PPC64LE hardware does not support ASPM at a hardware level.
  CONFIG_PCIEASPM is often disabled on these architectures.
* Some dGPUs on ALD platforms don't work with ASPM enabled and PCIe subsystem
  disables it

Check with the PCIe subsystem to see that ASPM has been enabled
or not.

Fixes: 0064b0ce85 ("drm/amd/pm: enable ASPM by default")
Link: https://wiki.raptorcs.com/w/images/a/ad/P9_PHB_version1.0_27July2018_pub.pdf
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/1723
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/1739
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/1885
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/1907
Tested-by: koba.ko@canonical.com
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-02-17 15:59:05 -05:00
..
amd
drm/amd: Check if ASPM is enabled from PCIe subsystem
2022-02-17 15:59:05 -05:00
arm
drm/connector: Fix typo in output format
2022-01-25 10:01:44 +01:00
armada
Merge tag 'char-misc-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2021-11-04 08:21:47 -07:00
aspeed
Merge v5.16-rc5 into drm-next
2021-12-14 10:24:28 +01:00
ast
Merge tag 'drm-intel-next-2022-02-08' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2022-02-11 14:14:07 +10:00
atmel-hlcdc
drm: Remove CONFIG_DRM_KMS_CMA_HELPER option
2021-11-30 11:10:03 +01:00
bridge
Backmerge tag 'v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
2022-02-14 10:52:27 +10:00
dp
Merge tag 'drm-misc-next-2022-01-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-02-01 19:02:41 +10:00
etnaviv
Merge tag 'drm-intel-next-2022-02-08' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2022-02-11 14:14:07 +10:00
exynos
Merge tag 'drm-misc-next-2022-01-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-02-01 19:02:41 +10:00
fsl-dcu
drm: fsl-dcu: select CONFIG_DRM_GEM_CMA_HELPER
2021-12-06 09:30:16 +01:00
gma500
drm/gma: Remove calls to kmap()
2022-01-24 17:02:43 +01:00
gud
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
hisilicon
drm/hisilicon/hibmc: Replace module initialization with DRM helpers
2022-01-19 18:40:13 +01:00
hyperv
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
i2c
…
i810
drm: IRQ midlayer is now legacy
2021-08-10 20:14:01 +02:00
i915
Backmerge tag 'v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
2022-02-14 10:52:27 +10:00
imx
drm/imx/dcss: Replace module initialization with DRM helpers
2022-01-19 18:40:23 +01:00
ingenic
drm/ingenic: Add support for JZ4780 and HDMI output
2021-12-16 15:22:17 +00:00
kmb
drm/kmb: Fix for build errors with Warray-bounds
2022-01-27 14:30:36 -08:00
lib
…
lima
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
mcde
drm: Remove CONFIG_DRM_KMS_CMA_HELPER option
2021-11-30 11:10:03 +01:00
mediatek
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
meson
drm/meson: Fix error handling when afbcd.ops->init fails
2022-01-03 12:28:37 +01:00
mga
drm/mga/mga_ioc32: Use struct_group() for memcpy() region
2021-09-25 08:20:48 -07:00
mgag200
Merge tag 'drm-intel-next-2022-02-08' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2022-02-11 14:14:07 +10:00
msm
Merge tag 'drm-intel-next-2022-02-08' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2022-02-11 14:14:07 +10:00
mxsfb
Backmerge tag 'v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
2022-02-14 10:52:27 +10:00
nouveau
Backmerge tag 'v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
2022-02-14 10:52:27 +10:00
omapdrm
drm: omapdrm: Fix implicit dma_buf fencing
2022-01-06 15:31:33 +02:00
panel
Backmerge tag 'v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
2022-02-14 10:52:27 +10:00
panfrost
Merge tag 'drm-intel-next-2022-02-08' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2022-02-11 14:14:07 +10:00
pl111
drm: Remove CONFIG_DRM_KMS_CMA_HELPER option
2021-11-30 11:10:03 +01:00
qxl
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
r128
BackMerge tag 'v5.15-rc7' into drm-next
2021-10-28 14:59:38 +10:00
radeon
drm/radeon: Fix backlight control on iMac 12,1
2022-02-14 15:08:41 -05:00
rcar-du
Merge tag 'drm-misc-next-2021-12-09' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2021-12-10 15:08:21 +10:00
rockchip
Backmerge tag 'v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
2022-02-14 10:52:27 +10:00
savage
drm/savage: Remove references to struct drm_device.pdev
2021-05-03 19:48:30 +02:00
scheduler
Merge tag 'drm-misc-next-2021-11-18' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2021-11-23 09:38:55 +10:00
selftests
drm/selftests/test-drm_dp_mst_helper: Fix memory leak in sideband_msg_req_encode_decode
2022-01-19 16:14:45 +01:00
shmobile
drm: Remove CONFIG_DRM_KMS_CMA_HELPER option
2021-11-30 11:10:03 +01:00
sis
drm/sis: Remove references to struct drm_device.pdev
2021-05-03 19:48:33 +02:00
sprd
drm/sprd: add Unisoc's drm mipi dsi&dphy driver
2021-12-10 12:38:10 +01:00
sti
drm: Remove CONFIG_DRM_KMS_CMA_HELPER option
2021-11-30 11:10:03 +01:00
stm
drm/stm: ltdc: Drop format_mod_supported function
2022-01-13 14:11:56 +01:00
sun4i
Merge tag 'drm-misc-fixes-2022-01-14' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-01-14 15:17:17 +01:00
tdfx
…
tegra
Merge tag 'drm-intel-next-2022-02-08' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2022-02-11 14:14:07 +10:00
tidss
drm: Remove CONFIG_DRM_KMS_CMA_HELPER option
2021-11-30 11:10:03 +01:00
tilcdc
drm/tilcdc: add const to of_device_id
2021-12-16 16:51:47 +02:00
tiny
Merge tag 'drm-intel-next-2022-02-08' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2022-02-11 14:14:07 +10:00
ttm
Merge tag 'drm-intel-next-2022-02-08' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2022-02-11 14:14:07 +10:00
tve200
drm: Remove CONFIG_DRM_KMS_CMA_HELPER option
2021-11-30 11:10:03 +01:00
udl
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
v3d
drm/v3d/v3d_drv: Check for error num after setting mask
2022-01-11 19:07:42 -01:00
vboxvideo
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
vc4
Backmerge tag 'v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
2022-02-14 10:52:27 +10:00
vgem
drm: Return error codes from struct drm_driver.gem_create_object
2021-12-02 11:12:39 +01:00
via
drm: IRQ midlayer is now legacy
2021-08-10 20:14:01 +02:00
virtio
Merge tag 'drm-misc-next-2022-01-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-02-01 19:02:41 +10:00
vkms
Merge tag 'drm-intel-next-2022-02-08' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2022-02-11 14:14:07 +10:00
vmwgfx
Merge tag 'drm-misc-next-2022-01-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-02-01 19:02:41 +10:00
xen
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
xlnx
Merge tag 'drm-misc-next-2022-01-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-02-01 19:02:41 +10:00
drm_agpsupport.c
drm: Include <asm/agp.h> iff CONFIG_AGP is set
2021-05-11 14:13:33 +02:00
drm_aperture.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_atomic_helper.c
drm: fix error found in some cases after the patch d1af5cd86997
2022-01-14 14:31:54 +01:00
drm_atomic_state_helper.c
…
drm_atomic_uapi.c
drm: get rid of DRM_DEBUG_* log calls in drm core, files drm_a*.c
2021-11-26 16:45:22 +01:00
drm_atomic.c
Merge drm/drm-fixes into drm-misc-fixes
2022-01-26 09:40:24 +01:00
drm_auth.c
drm: get rid of DRM_DEBUG_* log calls in drm core, files drm_a*.c
2021-11-26 16:45:22 +01:00
drm_blend.c
…
drm_bridge_connector.c
…
drm_bridge.c
drm/bridge: Document the probe issue with MIPI-DSI bridges
2021-09-24 19:25:23 +02:00
drm_buddy.c
drm: move the buddy allocator from i915 into common drm
2022-01-19 08:17:07 +01:00
drm_bufs.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_cache.c
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
drm_client_modeset.c
Revert "drm: cleanup: drm_modeset_lock_all_ctx() --> DRM_MODESET_LOCK_ALL_BEGIN()"
2021-10-04 09:34:57 -04:00
drm_client.c
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
drm_color_mgmt.c
drm/docs: Document where the C8 color lut is stored
2022-01-25 09:36:20 +01:00
drm_connector.c
drm/connector: use drm_sysfs_connector_hotplug_event
2021-11-02 14:27:11 +01:00
drm_context.c
drm: correct function name drm_legacy_ctxbitmap_flush()
2021-05-16 22:01:14 +02:00
drm_crtc_helper_internal.h
drm/dp: Move DP declarations into separate header file
2022-01-17 11:25:44 +01:00
drm_crtc_helper.c
Revert "drm: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_BEGIN()"
2021-10-04 09:34:57 -04:00
drm_crtc_internal.h
drm/connector: Add drm_connector_find_by_fwnode() function (v3)
2021-08-20 12:35:59 +02:00
drm_crtc.c
…
drm_damage_helper.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_debugfs_crc.c
drm/doc: document how userspace should find out CRTC index
2021-06-10 19:14:47 +02:00
drm_debugfs.c
drm: avoid blocking in drm_clients_info's rcu section
2021-07-20 20:14:42 +02:00
drm_displayid.c
…
drm_dma.c
drm: remove usage of drm_pci_alloc/free
2021-04-26 18:19:15 +02:00
drm_drv.c
drm: fix null-ptr-deref in drm_dev_init_release()
2021-10-14 21:39:02 +02:00
drm_dsc.c
drm/dp: Move public DisplayPort headers into dp/
2022-01-17 11:25:44 +01:00
drm_dumb_buffers.c
…
drm_edid_load.c
…
drm_edid.c
drm/edid: Support type 7 timings
2022-01-25 13:09:22 +02:00
drm_encoder_slave.c
…
drm_encoder.c
…
drm_fb_cma_helper.c
drm: Add and export function drm_fb_cma_sync_non_coherent
2021-05-25 11:42:09 +01:00
drm_fb_helper.c
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
drm_file.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_flip_work.c
…
drm_format_helper.c
drm/format-helper: Add drm_fb_xrgb8888_to_xrgb2101010_toio()
2021-12-16 11:06:30 +01:00
drm_fourcc.c
drm/fourcc: Add packed 10bit YUV 4:2:0 format
2021-12-16 11:23:22 +01:00
drm_framebuffer.c
Revert "drm: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_BEGIN()"
2021-10-04 09:34:57 -04:00
drm_gem_atomic_helper.c
drm: use new iterator in drm_gem_plane_helper_prepare_fb v3
2021-10-25 09:33:22 +02:00
drm_gem_cma_helper.c
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
drm_gem_framebuffer_helper.c
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
drm_gem_shmem_helper.c
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
drm_gem_ttm_helper.c
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
drm_gem_vram_helper.c
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
drm_gem.c
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
drm_hashtab.c
drm: Declare hashtable as legacy
2021-11-30 09:41:28 +01:00
drm_hdcp.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_internal.h
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
drm_ioc32.c
drm: Copy drm_wait_vblank to user before returning
2021-08-17 13:56:03 -04:00
drm_ioctl.c
GPU: drm: fix style errors
2021-08-28 19:00:20 +02:00
drm_irq.c
drm: Build drm_irq.o only if CONFIG_DRM_LEGACY has been set
2021-10-22 16:20:12 +02:00
drm_kms_helper_common.c
drm/dp: Move DisplayPort helpers into separate helper module
2022-01-17 11:25:44 +01:00
drm_lease.c
drm/lease: allow empty leases
2021-10-01 15:55:47 +02:00
drm_legacy_misc.c
drm: IRQ midlayer is now legacy
2021-08-10 20:14:01 +02:00
drm_legacy.h
drm: Declare hashtable as legacy
2021-11-30 09:41:28 +01:00
drm_lock.c
…
drm_managed.c
…
drm_memory.c
drm: Mark AGP implementation and ioctls as legacy
2021-05-10 15:46:58 +02:00
drm_mipi_dbi.c
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
drm_mipi_dsi.c
drm/mipi-dsi: Create devm device attachment
2021-09-24 19:25:33 +02:00
drm_mm.c
lib/stackdepot: allow optional init and stack_table allocation by kvmalloc()
2022-01-22 08:33:37 +02:00
drm_mode_config.c
…
drm_mode_object.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_modes.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_modeset_helper.c
…
drm_modeset_lock.c
lib/stackdepot: allow optional init and stack_table allocation by kvmalloc()
2022-01-22 08:33:37 +02:00
drm_nomodeset.c
drm: Fix build error caused by missing drm_nomodeset.o
2021-11-27 21:05:58 +01:00
drm_of.c
drm: of: Add drm_of_lvds_get_data_mapping
2021-10-14 20:47:30 +02:00
drm_panel_orientation_quirks.c
Merge drm/drm-next into drm-intel-next
2022-01-31 13:19:33 -05:00
drm_panel.c
drm/dp: Move panel DP AUX backlight support to drm_dp_helper
2021-07-13 06:38:37 -07:00
drm_pci.c
drm: Mark IRQ_BUSID ioctl as legacy
2021-05-17 21:19:48 +02:00
drm_plane_helper.c
drm/plane-helper: fix uninitialized variable reference
2021-10-07 12:24:44 +02:00
drm_plane.c
drm/plane: Make format_mod_supported truly optional
2022-01-06 00:52:57 +01:00
drm_prime.c
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
drm_print.c
isystem: ship and use stdarg.h
2021-08-19 09:02:55 +09:00
drm_privacy_screen_x86.c
Merge tag 'drm-misc-next-2022-01-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-02-01 19:02:41 +10:00
drm_privacy_screen.c
Backmerge tag 'v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
2022-02-14 10:52:27 +10:00
drm_probe_helper.c
drm/probe-helper: use drm_kms_helper_connector_hotplug_event
2021-11-02 14:27:14 +01:00
drm_property.c
drm: property: Replace strncpy() with strscpy_pad()
2021-10-07 05:42:13 +03:00
drm_rect.c
…
drm_scatter.c
…
drm_scdc_helper.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_self_refresh_helper.c
…
drm_simple_kms_helper.c
drm/simple-kms: Support custom CRTC state
2021-08-08 20:14:08 +02:00
drm_syncobj.c
drm/syncobj: Deal with signalled fences in drm_syncobj_find_fence.
2021-12-08 17:19:48 +01:00
drm_sysfs.c
drm/sysfs: introduce drm_sysfs_connector_hotplug_event
2021-11-02 14:27:06 +01:00
drm_trace_points.c
…
drm_trace.h
…
drm_vblank_work.c
…
drm_vblank.c
drm: IRQ midlayer is now legacy
2021-08-10 20:14:01 +02:00
drm_vm.c
drm: Mark AGP implementation and ioctls as legacy
2021-05-10 15:46:58 +02:00
drm_vma_manager.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_writeback.c
…
Kconfig
drm/selftests: Select DRM_DP_HELPER
2022-01-19 11:15:05 +01:00
Makefile
drm: move the buddy allocator from i915 into common drm
2022-01-19 08:17:07 +01:00