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541ab84d2b
linux_dsm_epyc7002/drivers/gpu/drm
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Ville Syrjälä 541ab84d2b drm/i915: Allow DBLSCAN user modes with eDP/LVDS/DSI 
When encountering a connector with the scaling mode property both
intel and modesetting ddxs sometimes add tons of DBLSCAN modes
to the output's mode list. The idea presumably being that since the
output will be going through the panel fitter anyway we can pretend
to use any kind of mode.

Sadly that means we can't reject user modes with the DBLSCAN flag
until we know whether we're going to be using the panel's native
mode or the user mode directly. Doing otherwise means X clients using
xf86vidmode/xrandr will get a protocol error (and often self
terminate as a result) when the kernel refuses to use the requested
mode with the DBLSCAN flag.

To undo the regression we'll move the DBLSCAN checks into the
connector->mode_valid() and encoder->compute_config() hooks.

Cc: stable@vger.kernel.org
Cc: Vito Caputo <vcaputo@pengaru.com>
Reported-by: Vito Caputo <vcaputo@pengaru.com>
Fixes: e995ca0b81 ("drm/i915: Provide a device level .mode_valid() hook")
References: https://lkml.org/lkml/2018/5/21/715
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180524125403.23445-1-ville.syrjala@linux.intel.com
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=106804
Tested-by: Arkadiusz Miskiewicz <arekm@maven.pl>
(cherry picked from commit e4dd27aadd)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2018-06-19 15:47:49 +03:00
..
amd amd fixes for 4.18-rc1 2018-06-15 17:20:53 +09:00
arc drm/arcpgu: remove drm_encoder_slave 2018-01-30 18:05:25 +01:00
arm drm: mali-dp: Add YUV->RGB conversion support for video layers 2018-03-14 11:41:01 +00:00
armada drm: Don't pass clip to drm_atomic_helper_check_plane_state() 2018-03-05 20:48:25 +02:00
ast drm/ast: fix mode_valid's return type 2018-04-25 09:09:22 +02:00
atmel-hlcdc drm/atmel-hclcdc: Convert to the new generic alpha property 2018-04-16 21:20:40 +02:00
bochs drm/bochs: fix mode_valid's return type 2018-04-25 09:34:00 +02:00
bridge drm for v4.18-rc1 2018-06-06 08:16:33 -07:00
cirrus Linux 4.16-rc7 2018-03-28 14:30:41 +10:00
etnaviv Merge branch 'etnaviv/next' of https://git.pengutronix.de/git/lst/linux into drm-next 2018-05-22 10:43:27 +10:00
exynos treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
fsl-dcu
gma500 treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
hisilicon drm/hisilicon: fix mode_valid's return type 2018-04-25 09:09:22 +02:00
i2c Merge branch 'drm-tda998x-devel' of git://git.armlinux.org.uk/~rmk/linux-arm into drm-next 2018-05-22 10:20:45 +10:00
i810
i915 drm/i915: Allow DBLSCAN user modes with eDP/LVDS/DSI 2018-06-19 15:47:49 +03:00
imx Linux 4.16-rc7 2018-03-28 14:30:41 +10:00
lib
mediatek drm/mediatek: Using the function drm_display_mode_to_videomode 2018-05-02 14:20:47 +08:00
meson drm/bridge/synopsys: dw-hdmi: fix dw_hdmi_setup_rx_sense 2018-05-30 13:42:39 -04:00
mga
mgag200 drm/mgag200: fix mode_valid's return type 2018-04-25 09:09:22 +02:00
msm treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
mxsfb drm/mxsfb: Use simple_display_pipe prepare_fb helper 2018-04-24 13:58:43 +02:00
nouveau treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
omapdrm treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
panel drm/panel: Enable DSI transactions on the RPi panel. 2018-04-30 13:57:13 -07:00
pl111 drm/pl111: Fix module probe bug 2018-05-04 00:13:41 +02:00
qxl treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
r128 r128: don't open-code memdup_user() 2017-12-27 19:00:09 -05:00
radeon treewide: Use array_size() in vzalloc() 2018-06-12 16:19:22 -07:00
rcar-du DeviceTree updates for v4.18: 2018-06-07 14:06:31 -07:00
rockchip drm/rockchip: Disable blending for win0 2018-05-01 15:56:21 -04:00
savage treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
scheduler drm/scheduler: fix a corner case in dependency optimization 2018-05-25 11:02:14 -05:00
selftests treewide: Use array_size() in vzalloc() 2018-06-12 16:19:22 -07:00
shmobile drm: shmobile: remove unused MERAM support 2018-05-14 15:47:30 +02:00
sis
sti gpu: drm: sti: fix spelling mistake: "initialze" -> "initialize" 2018-05-02 13:09:49 +02:00
stm drm/stm: ltdc: fix warnings in ltdc_plane_create() 2018-04-27 11:02:58 +02:00
sun4i drm-misc-next for v4.18: 2018-04-30 09:32:43 +10:00
tdfx
tegra drm/tegra: Changes for v4.18-rc1 2018-05-22 10:45:43 +10:00
tilcdc drm/tilcdc: Fix setting clock divider for omap-l138 2018-05-09 19:55:18 +03:00
tinydrm treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
ttm treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
tve200 drm/tve200: Use simple_display_pipe prepare_fb helper 2018-04-24 13:58:06 +02:00
udl drm/udl: fix mode_valid's return type 2018-04-25 09:09:22 +02:00
v3d drm-misc-next-fixes for v4.18: 2018-06-08 15:52:54 +10:00
vc4 treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
vgem
via treewide: Use array_size() in vzalloc() 2018-06-12 16:19:22 -07:00
virtio drm-misc-next for v4.18: 2018-04-30 09:32:43 +10:00
vmwgfx drm for v4.18-rc1 2018-06-06 08:16:33 -07:00
xen drm for v4.18-rc1 2018-06-06 08:16:33 -07:00
zte drm/zte: Stop consulting plane->crtc 2018-03-29 19:14:21 +03:00
ati_pcigart.c
drm_agpsupport.c
drm_atomic_helper.c drm/rect: Handle rounding errors in drm_rect_clip_scaled, v3. 2018-05-04 11:09:54 +02:00
drm_atomic.c urgent i686 mmap fix for drm drivers 2018-05-18 14:08:53 +10:00
drm_auth.c drm: Check for lessee in DROP_MASTER ioctl 2018-01-31 09:27:51 +01:00
drm_blend.c drm/blend: Add a generic alpha property 2018-04-16 21:17:29 +02:00
drm_bridge.c
drm_bufs.c drm: dma_bufs: Fixed checkpatch issues 2018-03-19 09:31:20 -04:00
drm_cache.c
drm_color_mgmt.c kernel.h: Retain constant expression output for max()/min() 2018-04-05 14:17:16 -07:00
drm_connector.c drm: Expose modes with aspect ratio, only if requested 2018-05-11 09:06:39 +02:00
drm_context.c
drm_crtc_helper_internal.h
drm_crtc_helper.c
drm_crtc_internal.h drm: Don't EXPORT drm_add/reset_display_info 2018-04-24 21:34:53 +02:00
drm_crtc.c drm: Handle aspect ratio info in legacy modeset path 2018-05-11 09:05:18 +02:00
drm_debugfs_crc.c drm/crc: Add support for polling on the data fd. 2018-02-05 13:22:44 +01:00
drm_debugfs.c
drm_dma.c
drm_dp_aux_dev.c sched/wait, drivers/drm: Convert wait_on_atomic_t() usage to the new wait_var_event() API 2018-03-20 08:23:18 +01:00
drm_dp_dual_mode_helper.c drm/i915: Fix LSPCON TMDS output buffer enabling from low-power state 2018-04-18 16:33:14 +03:00
drm_dp_helper.c drm for v4.18-rc1 2018-06-06 08:16:33 -07:00
drm_dp_mst_topology.c drm/dp/mst: Fix off-by-one typo when dump payload table 2018-03-28 09:12:16 +03:00
drm_drv.c drm for v4.18-rc1 2018-06-06 08:16:33 -07:00
drm_dumb_buffers.c drm/dumb-buffers: Integer overflow in drm_mode_create_ioctl() 2018-05-16 17:56:06 +02:00
drm_edid_load.c
drm_edid.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
drm_encoder_slave.c
drm_encoder.c drm: Warn if plane/crtc/encoder/connector index exceeds our 32bit bitmasks 2018-01-29 18:46:53 +02:00
drm_fb_cma_helper.c
drm_fb_helper.c drm: Add aspect ratio parsing in DRM layer 2018-05-11 09:23:41 +02:00
drm_file.c drm: set FMODE_UNSIGNED_OFFSET for drm files 2018-05-15 14:46:04 +10:00
drm_flip_work.c
drm_fourcc.c drm/fourcc: Add a alpha field to drm_format_info 2018-01-29 12:07:47 +01:00
drm_framebuffer.c drm: remove all control node code 2018-05-03 21:26:32 +02:00
drm_gem_cma_helper.c
drm_gem_framebuffer_helper.c drm: Move simple_display_pipe prepare_fb helper into gem fb helpers 2018-04-24 13:57:22 +02:00
drm_gem.c drm/gem: Document that handle_create must be the last step 2018-03-26 17:42:06 +02:00
drm_global.c
drm_hashtab.c treewide: Use array_size() in vzalloc() 2018-06-12 16:19:22 -07:00
drm_info.c
drm_internal.h
drm_ioc32.c drm: Drop DRM_CONTROL_ALLOW from ioctls 2018-05-03 11:28:02 +02:00
drm_ioctl.c drm: Add DRM client cap for aspect-ratio 2018-05-11 09:05:03 +02:00
drm_irq.c
drm_kms_helper_common.c
drm_lease.c gpu: drm/lease:: Use list_{next/prev}_entry instead of list_entry 2018-03-26 10:38:06 +02:00
drm_legacy.h
drm_lock.c
drm_memory.c treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
drm_mipi_dsi.c drm/dsi: Fix improper use of mipi_dsi_device_transfer() return value 2018-01-16 17:10:14 -05:00
drm_mm.c Linux 4.16-rc7 2018-03-28 14:30:41 +10:00
drm_mode_config.c Linux 4.15-rc4 2017-12-19 21:37:24 +10:00
drm_mode_object.c
drm_modes.c drm: Add and handle new aspect ratios in DRM layer 2018-05-11 09:23:55 +02:00
drm_modeset_helper.c
drm_modeset_lock.c drm/atomic: Call ww_acquire_done after drm_modeset_lock_all 2018-03-05 10:35:32 +01:00
drm_of.c drm: of: simplify component probe code 2018-03-06 14:05:00 +05:30
drm_panel_orientation_quirks.c drm: panel-orientation-quirks: Convert to use match_string() helper 2018-05-10 11:36:25 -04:00
drm_panel.c
drm_pci.c
drm_plane_helper.c drm: Don't pass clip to drm_atomic_helper_check_plane_state() 2018-03-05 20:48:25 +02:00
drm_plane.c drm: Use plane->state->fb over plane->fb 2018-03-29 19:14:21 +03:00
drm_prime.c drm: Make the prime vmap/vunmap hooks optional. 2018-04-30 10:42:03 -07:00
drm_print.c drm: Reduce object size of DRM_DEV_<LEVEL> uses 2018-03-19 15:15:42 +01:00
drm_probe_helper.c Linux 4.16-rc7 2018-03-28 14:30:41 +10:00
drm_property.c drm: Don't pass the index to drm_property_add_enum() 2018-04-27 16:46:50 +03:00
drm_rect.c drm/rect: Handle rounding errors in drm_rect_clip_scaled, v3. 2018-05-04 11:09:54 +02:00
drm_scatter.c
drm_scdc_helper.c drm/scdc-helper: Convert errors into debug messages 2018-03-26 21:37:24 +03:00
drm_simple_kms_helper.c drm/simple-kms-helper: Plumb plane state to the enable hook 2018-03-28 19:19:32 +03:00
drm_syncobj.c Revert 190c462d5be19ba622a82f5fd0625087c870a1e6..bf3012ada1b2222e770de5c35c1bb16f73b3a01d" 2018-05-03 12:38:39 +02:00
drm_sysfs.c drm: remove all control node code 2018-05-03 21:26:32 +02:00
drm_trace_points.c
drm_trace.h
drm_vblank.c Merge tag 'drm-intel-next-2018-03-08' of git://anongit.freedesktop.org/drm/drm-intel into drm-next 2018-03-14 14:53:01 +10:00
drm_vm.c
drm_vma_manager.c
Kconfig drm/selftests: Add drm helper selftest 2018-05-04 11:36:45 +02:00
Makefile drm/selftests: Rename the Kconfig option to CONFIG_DRM_DEBUG_SELFTEST 2018-05-04 11:36:34 +02:00