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7595bda2fb
linux_dsm_epyc7002/drivers/gpu/drm
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Ankit Nautiyal 7595bda2fb drm: Add DRM client cap for aspect-ratio 
To enable aspect-ratio support in DRM, blindly exposing the aspect
ratio information along with mode, can break things in existing
non-atomic user-spaces which have no intention or support to use this
aspect ratio information.

To avoid this, a new drm client cap is required to enable a non-atomic
user-space to advertise if it supports modes with aspect-ratio. Based
on this cap value, the kernel will take a call on exposing the aspect
ratio info in modes or not.

This patch adds the client cap for aspect-ratio.

Since no atomic-userspaces blow up on receiving aspect-ratio
information, the client cap for aspect-ratio is always enabled
for atomic clients.

Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>

V3: rebase
V4: As suggested by Marteen Lankhorst modified the commit message
    explaining the need to use the DRM cap for aspect-ratio. Also,
    tweaked the comment lines in the code for better understanding and
    clarity, as recommended by Shashank Sharma.
V5: rebase
V6: rebase
V7: rebase
V8: rebase
V9: rebase
V10: rebase
V11: rebase
V12: As suggested by Daniel Vetter and Ville Syrjala,
     always enable aspect-ratio client cap for atomic userspaces,
     if no atomic userspace breaks on aspect-ratio bits.
V13: rebase
V14: rebase

Reviewed-by: Shashank Sharma <shashank.sharma@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1525777785-9740-7-git-send-email-ankit.k.nautiyal@intel.com
2018-05-11 09:05:03 +02:00
..
amd Merge tag 'drm-amdkfd-next-2018-03-27' of git://people.freedesktop.org/~gabbayo/linux into drm-next 2018-03-28 14:49:19 +10:00
arc
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 gpu: drm: bridge: adv7511: Replace mdelay with usleep_range in adv7511_probe 2018-05-04 11:30:51 +05:30
cirrus Linux 4.16-rc7 2018-03-28 14:30:41 +10:00
etnaviv drm/etnaviv: bump HW job limit to 4 2018-03-22 11:08:48 +01:00
exynos drm/bridge: analogix_dp: Split the platform-specific poweron in two parts 2018-04-24 08:34:49 +02:00
fsl-dcu
gma500 drm: Don't pass the index to drm_property_add_enum() 2018-04-27 16:46:50 +03:00
hisilicon drm/hisilicon: fix mode_valid's return type 2018-04-25 09:09:22 +02:00
i2c drm/i2c: tda998x: fix mode_valid's return type 2018-04-25 09:38:57 +02:00
i810
i915 drm/selftests: Rename the Kconfig option to CONFIG_DRM_DEBUG_SELFTEST 2018-05-04 11:36:34 +02:00
imx Linux 4.16-rc7 2018-03-28 14:30:41 +10:00
lib
mediatek drm: Don't pass clip to drm_atomic_helper_check_plane_state() 2018-03-05 20:48:25 +02:00
meson Linux 4.16-rc7 2018-03-28 14:30:41 +10:00
mga
mgag200 drm/mgag200: fix mode_valid's return type 2018-04-25 09:09:22 +02:00
msm drm/msm: Don't setup control node debugfs files 2018-05-03 21:26:10 +02:00
mxsfb drm/mxsfb: Use simple_display_pipe prepare_fb helper 2018-04-24 13:58:43 +02:00
nouveau drm: Don't pass the index to drm_property_add_enum() 2018-04-27 16:46:50 +03:00
omapdrm drm/omap: Use normalized zpos for plane placement 2018-03-28 09:45:45 +03:00
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 Revert 190c462d5be19ba622a82f5fd0625087c870a1e6..bf3012ada1b2222e770de5c35c1bb16f73b3a01d" 2018-05-03 12:38:39 +02:00
r128
radeon Linux 4.16-rc7 2018-03-28 14:30:41 +10:00
rcar-du drm/rcar-du: Convert to the new generic alpha property 2018-04-16 21:20:59 +02:00
rockchip drm/rockchip: Disable blending for win0 2018-05-01 15:56:21 -04:00
savage
scheduler Revert 190c462d5be19ba622a82f5fd0625087c870a1e6..bf3012ada1b2222e770de5c35c1bb16f73b3a01d" 2018-05-03 12:38:39 +02:00
selftests drm/selftests: Add drm helper selftest 2018-05-04 11:36:45 +02:00
shmobile
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/sun4i: Add support for plane alpha 2018-04-16 21:21:16 +02:00
tdfx
tegra Merge airlied/drm-next into drm-misc-next 2018-03-30 12:35:45 -04:00
tilcdc
tinydrm drm/tinydrm/mi0283qt: Always set rotation value 2018-04-30 11:00:19 +02:00
ttm drm/ttm: Export the ttm_k[un]map_atomic_prot API. 2018-03-22 11:10:06 +01:00
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/v3d: Introduce a new DRM driver for Broadcom V3D V3.x+ 2018-05-03 16:26:30 -07:00
vc4 drm/vc4: Add a pad field to align drm_vc4_submit_cl to 64 bits. 2018-05-03 15:20:09 -07:00
vgem
via
virtio drm/virtio: fix mode_valid's return type 2018-04-25 10:21:19 +02:00
vmwgfx drm/vmwgfx: Drop DRM_CONTROL_ALLOW 2018-05-03 11:28:02 +02:00
xen drm/xen-front: Fix loop timeout 2018-05-08 14:10:01 +03:00
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 drm/atomic: Handling the case when setting old crtc for plane 2018-05-03 15:33:23 +02:00
drm_auth.c
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 drm/atomic: Include color encoding/range in plane state dump 2018-03-02 14:41:21 +02:00
drm_connector.c drm: Don't pass the index to drm_property_add_enum() 2018-04-27 16:46:50 +03:00
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 Revert 190c462d5be19ba622a82f5fd0625087c870a1e6..bf3012ada1b2222e770de5c35c1bb16f73b3a01d" 2018-05-03 12:38:39 +02:00
drm_debugfs_crc.c
drm_debugfs.c
drm_dma.c
drm_dp_aux_dev.c
drm_dp_dual_mode_helper.c
drm_dp_helper.c drm/dp: Correctly mask DP_TRAINING_AUX_RD_INTERVAL values for DP 1.4 2018-05-08 12:18:43 -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: remove all control node code 2018-05-03 21:26:32 +02:00
drm_dumb_buffers.c
drm_edid_load.c
drm_edid.c drm/edid: Don't send bogus aspect ratios in AVI infoframes 2018-05-11 09:00:52 +02:00
drm_encoder_slave.c
drm_encoder.c
drm_fb_cma_helper.c
drm_fb_helper.c drm: Remove now pointelss blob->data casts 2018-03-16 15:44:01 +02:00
drm_file.c
drm_flip_work.c
drm_fourcc.c
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
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
drm_mipi_dsi.c
drm_mm.c Linux 4.16-rc7 2018-03-28 14:30:41 +10:00
drm_mode_config.c
drm_mode_object.c
drm_modes.c drm/modes: Introduce drm_mode_match() 2018-05-11 08:59:09 +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