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f0da19347bccee1c20091e9fd597a2f197792021
linux/drivers/gpu/drm
History
Ville Syrjälä f0da19347b drm/i915/dp: Don't switch to idle pattern before disable on pre-hsw 
For some reason we are switching over to the idle pattern before
disabling the DP port on pre-hsw. AFAICS this has never been part
of the documented sequence (and on hsw+ the spec explicitly says
not to do this). Get rid of it.

The code goes all the way back to commit 5eb08b69f5 ("drm/i915: enable
DisplayPort support on IGDNG"), and it was accompanied by a 17ms delay
which got changed to vbl wait in commit ab527efc2f ("drm/i915: use
wait_for_vblank instead of msleep(17)"), and was later completely removed
in  commit 93c9c19b3d ("drm/i915: remove unexplained vblank wait in
the DP off code").

Smoke tested on g4x/snb/chv.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250710201718.25310-3-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>
2025-07-17 19:41:24 +03:00
..
adp
drm: convert many bridge drivers from devm_kzalloc() to devm_drm_bridge_alloc() API
2025-05-23 15:03:47 +02:00
amd
drm/amdgpu: Make use of drm_wedge_task_info
2025-06-17 11:32:48 -03:00
arm
drm/arm/hdlcd: Replace struct simplefb_format with custom type
2025-06-11 09:29:47 +02:00
armada
…
aspeed
…
ast
Merge drm/drm-next into drm-misc-next
2025-06-11 09:01:34 +02:00
atmel-hlcdc
…
bridge
drm/bridge: ti-sn65dsi86: use new GPIO line value setter callbacks
2025-06-16 17:10:25 -07:00
ci
drm/ci: uprev mesa
2025-05-04 09:20:28 -07:00
clients
drm/client: Include <linux/export.h>
2025-06-16 09:02:29 +02:00
display
drm/dp: Change AUX DPCD probe address from LANE0_1_STATUS to TRAINING_PATTERN_SET
2025-07-14 18:47:10 +03:00
etnaviv
drm/sched: Store the drm client_id in drm_sched_fence
2025-05-28 16:15:58 +02:00
exynos
treewide, timers: Rename from_timer() to timer_container_of()
2025-06-08 09:07:37 +02:00
fsl-dcu
…
gma500
Merge tag 'pci-v6.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
2025-06-04 11:26:17 -07:00
gud
treewide, timers: Rename from_timer() to timer_container_of()
2025-06-08 09:07:37 +02:00
hisilicon
Merge tag 'pci-v6.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
2025-06-04 11:26:17 -07:00
hyperv
drm/hyperv: Add support for drm_panic
2025-06-05 14:59:56 +02:00
i915
drm/i915/dp: Don't switch to idle pattern before disable on pre-hsw
2025-07-17 19:41:24 +03:00
imagination
drm/sched: Store the drm client_id in drm_sched_fence
2025-05-28 16:15:58 +02:00
imx
drm/imx: Add i.MX8qxp Display Controller KMS
2025-05-14 15:11:31 +08:00
ingenic
…
kmb
…
lib
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
lima
drm: Get rid of drm_sched_job.id
2025-05-28 16:16:15 +02:00
logicvc
…
loongson
PCI: Add CONFIG_MMU dependency
2025-04-23 15:40:30 -05:00
mcde
drm/mcde: convert to devm_drm_bridge_alloc() API
2025-04-29 11:21:23 +02:00
mediatek
Merge drm/drm-next into drm-misc-next
2025-06-11 09:01:34 +02:00
meson
Merge tag 'drm-misc-next-2025-06-12' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2025-06-18 08:09:35 +10:00
mgag200
Merge drm/drm-next into drm-misc-next
2025-06-11 09:01:34 +02:00
msm
Merge drm/drm-next into drm-misc-next
2025-06-11 09:01:34 +02:00
mxsfb
…
nouveau
Merge drm/drm-next into drm-misc-next
2025-06-11 09:01:34 +02:00
nova
gpu: drm: nova: select AUXILIARY_BUS instead of depending on it
2025-05-15 20:59:32 +02:00
omapdrm
drm: omapdrm: reduce clang stack usage
2025-06-12 21:29:52 +03:00
panel
drm/panel: Include <linux/export.h>
2025-06-16 09:02:39 +02:00
panfrost
drm/panfrost: Fix panfrost device variable name in devfreq
2025-06-02 13:51:15 +01:00
panthor
drm/panthor: Clean up 64-bit register definitions
2025-06-06 12:44:41 +02:00
pl111
…
qxl
PCI: Add CONFIG_MMU dependency
2025-04-23 15:40:30 -05:00
radeon
Merge tag 'drm-next-2025-06-06' of https://gitlab.freedesktop.org/drm/kernel
2025-06-06 08:09:56 -07:00
renesas
drm: renesas: rz-du: mipi_dsi: Add function pointers for configuring VCLK and mode validation
2025-06-12 19:42:28 +01:00
rockchip
drm/rockchip: cleanup fb when drm_gem_fb_afbc_init failed
2025-05-19 22:29:16 +02:00
scheduler
drm/scheduler: Include <linux/export.h>
2025-06-16 09:02:41 +02:00
sitronix
Merge tag 'drm-misc-next-2025-06-12' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2025-06-18 08:09:35 +10:00
solomon
…
sprd
…
sti
drm/sti: dvo: convert to devm_drm_bridge_alloc() API
2025-05-21 13:40:09 +02:00
stm
drm/bridge: stm_lvds: convert to devm_drm_bridge_alloc() API
2025-05-21 13:40:09 +02:00
sun4i
drm: sun4i: de33: mixer: add mixer configuration for the H616
2025-06-02 09:59:10 +02:00
sysfb
drm/format-helper: Move drm_fb_build_fourcc_list() to sysfb helpers
2025-06-18 10:46:03 +02:00
tegra
drm/tegra: Fix a possible null pointer dereference
2025-05-07 18:07:27 +02:00
tests
drm/format-helper: Move drm_fb_build_fourcc_list() to sysfb helpers
2025-06-18 10:46:03 +02:00
tidss
drm/tidss: Add support for AM62L display subsystem
2025-05-20 14:43:56 +03:00
tilcdc
…
tiny
Merge tag 'pci-v6.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
2025-06-04 11:26:17 -07:00
ttm
drm/ttm: Remove unneeded blank line in comment
2025-07-02 13:31:20 -07:00
tve200
…
udl
drm/udl: use DRM_GEM_SHMEM_DRIVER_OPS_NO_MAP_SGT
2025-06-03 09:21:02 +02:00
v3d
Merge drm/drm-next into drm-misc-next
2025-06-11 09:01:34 +02:00
vboxvideo
…
vc4
Merge tag 'drm-misc-next-2025-06-12' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2025-06-18 08:09:35 +10:00
vgem
treewide, timers: Rename from_timer() to timer_container_of()
2025-06-08 09:07:37 +02:00
virtio
drm/virtio: Fix NULL pointer deref in virtgpu_dma_buf_free_obj()
2025-05-12 14:49:41 +03:00
vkms
drm/vkms: Compile all tests with CONFIG_DRM_VKMS_KUNIT_TEST
2025-06-13 19:11:39 +02:00
vmwgfx
drm/vmwgfx: Fix Host-Backed userspace on Guest-Backed kernel
2025-06-17 22:54:16 -04:00
xe
drm/xe: Fix conflicting intel_pcode_* symbols
2025-06-28 06:56:58 -07:00
xen
…
xlnx
drm: zynqmp_dp: convert to devm_drm_bridge_alloc() API
2025-05-21 13:40:09 +02:00
drm_atomic_helper.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_atomic_state_helper.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_atomic_uapi.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_atomic.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_auth.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_blend.c
drm/doc: document front-buffer rendering
2025-04-30 23:35:00 +02:00
drm_bridge_helper.c
drm/bridge: Include <linux/export.h>
2025-06-16 09:02:25 +02:00
drm_bridge.c
drm/bridge: Include <linux/export.h>
2025-06-16 09:02:25 +02:00
drm_buddy.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_cache.c
…
drm_client_event.c
drm/client: Include <linux/export.h>
2025-06-16 09:02:29 +02:00
drm_client_modeset.c
drm/client: Include <linux/export.h>
2025-06-16 09:02:29 +02:00
drm_client.c
drm/client: Include <linux/export.h>
2025-06-16 09:02:29 +02:00
drm_color_mgmt.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_connector.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_crtc_helper_internal.h
…
drm_crtc_helper.c
…
drm_crtc_internal.h
…
drm_crtc.c
…
drm_damage_helper.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_debugfs_crc.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_debugfs.c
drm/debugfs: Output client_id in in drm_clients_info
2025-05-28 16:15:56 +02:00
drm_displayid_internal.h
drm/edid: Refactor DisplayID timing block structs
2025-04-16 20:40:51 +03:00
drm_displayid.c
…
drm_draw_internal.h
…
drm_draw.c
…
drm_drv.c
drm: Create a task info option for wedge events
2025-06-17 11:32:47 -03:00
drm_dumb_buffers.c
…
drm_edid_load.c
…
drm_edid.c
Merge tag 'drm-intel-next-2025-06-18' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next
2025-06-23 10:49:27 +10:00
drm_eld.c
…
drm_encoder.c
…
drm_exec.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_fb_dma_helper.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_fb_helper.c
drm/client: Include <linux/export.h>
2025-06-16 09:02:29 +02:00
drm_fbdev_dma.c
drm/client: Include <linux/export.h>
2025-06-16 09:02:29 +02:00
drm_fbdev_shmem.c
drm/client: Include <linux/export.h>
2025-06-16 09:02:29 +02:00
drm_fbdev_ttm.c
drm/client: Include <linux/export.h>
2025-06-16 09:02:29 +02:00
drm_file.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_flip_work.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_format_helper.c
drm/format-helper: Move drm_fb_build_fourcc_list() to sysfb helpers
2025-06-18 10:46:03 +02:00
drm_format_internal.h
drm/tests: Do not use drm_fb_blit() in format-helper tests
2025-06-18 10:46:02 +02:00
drm_fourcc.c
drm: drm_fourcc: add 10/12/16bit software decoder YCbCr formats
2025-05-29 16:32:58 +01:00
drm_framebuffer.c
…
drm_gem_atomic_helper.c
drm/gem: Include <linux/export.h>
2025-06-16 09:02:35 +02:00
drm_gem_dma_helper.c
…
drm_gem_framebuffer_helper.c
drm/gem: Include <linux/export.h>
2025-06-16 09:02:35 +02:00
drm_gem_shmem_helper.c
drm/shmem-helper: Import dmabuf without mapping its sg_table
2025-06-03 09:21:01 +02:00
drm_gem_ttm_helper.c
drm/gem: Include <linux/export.h>
2025-06-16 09:02:35 +02:00
drm_gem_vram_helper.c
drm/gem: Include <linux/export.h>
2025-06-16 09:02:35 +02:00
drm_gem.c
drm/gem: Include <linux/export.h>
2025-06-16 09:02:35 +02:00
drm_gpusvm.c
Merge tag 'drm-misc-next-2025-06-19' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2025-06-20 11:34:09 +10:00
drm_gpuvm.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_internal.h
Revert "drm/prime: remove drm_prime_lookup_buf_by_handle"
2025-06-13 15:52:52 +02:00
drm_ioc32.c
…
drm_ioctl.c
…
drm_kms_helper_common.c
…
drm_lease.c
…
drm_managed.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_mipi_dbi.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_mipi_dsi.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_mm.c
…
drm_mode_config.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_mode_object.c
…
drm_modes.c
…
drm_modeset_helper.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_modeset_lock.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_of.c
…
drm_panel_backlight_quirks.c
drm/panel: Include <linux/export.h>
2025-06-16 09:02:39 +02:00
drm_panel_orientation_quirks.c
drm/panel: Include <linux/export.h>
2025-06-16 09:02:39 +02:00
drm_panel.c
drm/panel: Include <linux/export.h>
2025-06-16 09:02:39 +02:00
drm_panic_qr.rs
drm/panic: Use a decimal fifo to avoid u64 by u64 divide
2025-05-02 12:58:00 +02:00
drm_panic.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_pci.c
drm: Do not include <linux/export.h>
2025-06-16 09:00:09 +02:00
drm_plane_helper.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_plane.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_prime.c
Revert "drm/prime: remove drm_prime_lookup_buf_by_handle"
2025-06-13 15:52:52 +02:00
drm_print.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_privacy_screen_x86.c
…
drm_privacy_screen.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_probe_helper.c
…
drm_property.c
…
drm_rect.c
…
drm_self_refresh_helper.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_simple_kms_helper.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_suballoc.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_syncobj.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_sysfs.c
…
drm_trace_points.c
…
drm_trace.h
…
drm_vblank_work.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_vblank.c
treewide, timers: Rename from_timer() to timer_container_of()
2025-06-08 09:07:37 +02:00
drm_vma_manager.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
drm_writeback.c
drm: Include <linux/export.h>
2025-06-16 09:01:23 +02:00
Kconfig
Merge tag 'pci-v6.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
2025-06-04 11:26:17 -07:00
Kconfig.debug
drm/format-helper: Move drm_fb_build_fourcc_list() to sysfb helpers
2025-06-18 10:46:03 +02:00
Makefile
Merge tag 'drm-next-2025-05-28' of https://gitlab.freedesktop.org/drm/kernel
2025-05-28 09:46:39 -07:00