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cdd296cdae1af2d27dae3fcfbdf12c5252ab78cf
linux/drivers/gpu/drm
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Tom Rix cdd296cdae drm/gma500: fix error check 
Reviewing this block of code in cdv_intel_dp_init()

ret = cdv_intel_dp_aux_native_read(gma_encoder, DP_DPCD_REV, ...

cdv_intel_edp_panel_vdd_off(gma_encoder);
if (ret == 0) {
	/* if this fails, presume the device is a ghost */
	DRM_INFO("failed to retrieve link info, disabling eDP\n");
	drm_encoder_cleanup(encoder);
	cdv_intel_dp_destroy(connector);
	goto err_priv;
} else {

The (ret == 0) is not strict enough.
cdv_intel_dp_aux_native_read() returns > 0 on success
otherwise it is failure.

So change to <=

Fixes: d112a8163f ("gma500/cdv: Add eDP support")

Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200805205911.20927-1-trix@redhat.com
2020-08-19 15:49:10 +02:00
..
amd
Merge v5.9-rc1 into drm-misc-next
2020-08-18 14:14:25 +02:00
arc
drm/arc: Set GEM CMA functions with DRM_GEM_CMA_DRIVER_OPS
2020-06-10 09:02:03 +02:00
arm
drm/malidp: Use struct drm_gem_object_funcs.get_sg_table internally
2020-08-18 15:26:32 +02:00
armada
Merge tag 'drm-misc-next-2020-06-19' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2020-06-24 15:45:51 +10:00
aspeed
Merge v5.8-rc6 into drm-next
2020-07-24 08:48:05 +10:00
ast
drm: ast: fix double __iomem sparse warning
2020-08-19 09:14:40 +02:00
atmel-hlcdc
drm/atomic-helper: reset vblank on crtc reset
2020-07-02 20:25:51 +02:00
bochs
Merge tag 'v5.8' into drm-next
2020-08-11 11:58:31 +10:00
bridge
Merge v5.9-rc1 into drm-misc-next
2020-08-18 14:14:25 +02:00
etnaviv
Merge branch 'etnaviv/next' of https://git.pengutronix.de/git/lst/linux into drm-next
2020-07-23 15:28:10 +10:00
exynos
Merge v5.9-rc1 into drm-misc-next
2020-08-18 14:14:25 +02:00
fsl-dcu
drm: Remove unnecessary drm_panel_attach and drm_panel_detach
2020-08-08 09:06:33 +02:00
gma500
drm/gma500: fix error check
2020-08-19 15:49:10 +02:00
hisilicon
drm/hisilicon: Fix build error of no type of module_init
2020-08-13 09:58:16 +02:00
i2c
Merge tag 'sound-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2020-08-06 14:27:31 -07:00
i810
drm/i810: switch from 'pci_' to 'dma_' API
2020-07-20 09:34:24 +02:00
i915
Merge v5.9-rc1 into drm-misc-next
2020-08-18 14:14:25 +02:00
imx
Merge drm/drm-next into drm-misc-next
2020-08-12 20:42:08 +02:00
ingenic
drm/ingenic: ipu: Only enable clock when needed
2020-07-30 18:19:57 +02:00
lib
…
lima
Merge tag 'v5.8' into drm-next
2020-08-11 11:58:31 +10:00
mcde
drm/mcde: Retry DSI read/write transactions
2020-08-15 12:14:18 +02:00
mediatek
drm: Remove unnecessary drm_panel_attach and drm_panel_detach
2020-08-08 09:06:33 +02:00
meson
Merge v5.8-rc6 into drm-next
2020-07-24 08:48:05 +10:00
mga
…
mgag200
drm/mgag200: fix build on alpha arch
2020-08-07 22:52:48 +02:00
msm
Merge v5.9-rc1 into drm-misc-next
2020-08-18 14:14:25 +02:00
mxsfb
drm: mxsfb: Support the alpha plane
2020-07-28 17:21:58 +02:00
nouveau
Merge v5.9-rc1 into drm-misc-next
2020-08-18 14:14:25 +02:00
omapdrm
Merge drm/drm-next into drm-misc-next
2020-08-12 20:42:08 +02:00
panel
drm/panel: Use dev_ based logging
2020-08-18 22:32:37 +02:00
panfrost
Merge v5.9-rc1 into drm-misc-next
2020-08-18 14:14:25 +02:00
pl111
drm: pl111: Update documentation
2020-07-23 10:06:22 +02:00
qxl
Merge v5.9-rc1 into drm-misc-next
2020-08-18 14:14:25 +02:00
r128
drm: delete drm_pci.h
2020-04-03 17:11:41 +02:00
radeon
Merge drm/drm-next into drm-misc-next
2020-08-12 20:42:08 +02:00
rcar-du
Merge drm/drm-next into drm-misc-next
2020-08-12 20:42:08 +02:00
rockchip
Merge v5.9-rc1 into drm-misc-next
2020-08-18 14:14:25 +02:00
savage
…
scheduler
Merge tag 'sched-fifo-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-08-06 11:55:43 -07:00
selftests
drm/mm/selftests: fix wrong return type casting
2020-06-23 15:57:30 +02:00
shmobile
drm/shmobile: Set GEM CMA functions with DRM_GEM_CMA_DRIVER_OPS
2020-06-10 09:05:18 +02:00
sis
…
sti
Merge v5.9-rc1 into drm-misc-next
2020-08-18 14:14:25 +02:00
stm
drm/stm: repair runtime power management
2020-07-08 11:47:01 +02:00
sun4i
drm/sun4i: Constify static structs
2020-08-18 10:49:13 +02:00
tdfx
…
tegra
Merge drm/drm-next into drm-misc-next
2020-08-12 20:42:08 +02:00
tidss
Merge tag 'drm-misc-fixes-2020-08-04' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2020-08-11 12:00:30 +10:00
tilcdc
drm/tilcdc: Use standard drm_atomic_helper_commit
2020-07-14 10:32:33 +02:00
tiny
drm/mipi-dbi: Remove ->enabled
2020-06-24 09:17:34 +02:00
ttm
Merge drm/drm-next into drm-misc-next
2020-08-12 20:42:08 +02:00
tve200
drm/tve200: Set GEM CMA functions with DRM_GEM_CMA_DRIVER_OPS
2020-06-10 09:06:11 +02:00
udl
drm/udl: Use GEM vmap/mmap function from SHMEM helpers
2020-06-10 10:17:21 +02:00
v3d
drm/v3d: convert to use module_platform_driver
2020-08-10 15:32:00 +02:00
vboxvideo
drm/vboxvideo: Replace HTTP links with HTTPS ones
2020-07-16 22:12:50 +02:00
vc4
drm/vc4: crtc: Remove the feed_txp tests
2020-07-07 10:51:58 +02:00
vgem
drm/vgem: add missing platform_device_unregister() in vgem_init()
2020-08-10 15:31:02 +02:00
via
Merge branch 'akpm' (patches from Andrew)
2020-01-31 12:16:36 -08:00
virtio
virtio: fix build for configs without dma-bufs
2020-08-19 06:43:28 +02:00
vkms
drm/vkms: add missing platform_device_unregister() in vkms_init()
2020-08-10 15:31:19 +02:00
vmwgfx
Merge drm/drm-next into drm-misc-next
2020-08-12 20:42:08 +02:00
xen
Merge tag 'for-linus-5.9-rc1b-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
2020-08-14 13:34:37 -07:00
xlnx
drm: xlnx: zynqmp: Use switch - case for link rate downshift
2020-08-01 01:56:10 +00:00
zte
Merge tag 'sound-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2020-08-06 14:27:31 -07:00
drm_agpsupport.c
…
drm_atomic_helper.c
drm: bridge: Pass drm_display_info to drm_bridge_funcs .mode_valid()
2020-06-23 19:53:27 +02:00
drm_atomic_state_helper.c
drm/atomic-helper: reset vblank on crtc reset
2020-07-02 20:25:51 +02:00
drm_atomic_uapi.c
drm : Insert blank lines after declarations.
2020-07-02 15:26:00 +02:00
drm_atomic.c
drm : Insert blank lines after declarations.
2020-07-02 15:26:00 +02:00
drm_auth.c
drm/auth: make drm_{set,drop}master_ioctl symmetrical
2020-06-15 14:49:50 +01:00
drm_blend.c
drm: plane: Verify that no or all planes have a zpos property
2020-05-14 02:10:52 +03:00
drm_bridge_connector.c
drm: Add helper to create a connector for a chain of bridges
2020-02-26 13:31:41 +02:00
drm_bridge.c
drm: bridge: Pass drm_display_info to drm_bridge_funcs .mode_valid()
2020-06-23 19:53:27 +02:00
drm_bufs.c
drm : Insert blank lines after declarations.
2020-07-02 15:26:00 +02:00
drm_cache.c
…
drm_client_modeset.c
drm: Nuke mode->vrefresh
2020-05-27 14:31:42 +03:00
drm_client.c
drm/client: Add drm_client_framebuffer_flush()
2020-05-26 13:31:01 +02:00
drm_color_mgmt.c
…
drm_connector.c
drm: report dp downstream port type as a subconnector property
2020-08-11 14:06:04 +02:00
drm_context.c
drm: context: Clean up documentation
2020-03-16 09:23:55 +01:00
drm_crtc_helper_internal.h
drm/probe_helper: Add drm_connector_helper_funcs.mode_valid_ctx
2020-07-13 13:29:20 -04:00
drm_crtc_helper.c
drm : Insert blank lines after declarations.
2020-07-02 15:26:00 +02:00
drm_crtc_internal.h
drm: convert .debugfs_init() hook to return void.
2020-03-18 17:53:28 +01:00
drm_crtc.c
drm : Insert blank lines after declarations.
2020-07-02 15:26:00 +02:00
drm_damage_helper.c
…
drm_debugfs_crc.c
drm/crc: Actually allow to change the crc source
2020-01-28 16:49:22 +01:00
drm_debugfs.c
drm/debug: Expose connector VRR monitor range via debugfs
2020-06-25 15:47:14 -07:00
drm_dma.c
drm: delete drm_pci.h
2020-04-03 17:11:41 +02:00
drm_dp_aux_dev.c
…
drm_dp_cec.c
…
drm_dp_dual_mode_helper.c
…
drm_dp_helper.c
drm: report dp downstream port type as a subconnector property
2020-08-11 14:06:04 +02:00
drm_dp_mst_topology_internal.h
…
drm_dp_mst_topology.c
drm: fix drm_dp_mst_port refcount leaks in drm_dp_mst_allocate_vcpi
2020-08-04 12:21:11 -04:00
drm_drv.c
drm: Remove redundant NULL check
2020-07-27 22:06:13 +02:00
drm_dsc.c
…
drm_dumb_buffers.c
…
drm_edid_load.c
…
drm_edid.c
Merge tag 'drm-next-2020-08-06' of git://anongit.freedesktop.org/drm/drm
2020-08-05 19:50:06 -07:00
drm_encoder_slave.c
drm: encoder_slave: use new I2C API
2020-06-19 09:20:21 +02:00
drm_encoder.c
…
drm_fb_cma_helper.c
drm: Fix misspellings of "Analog Devices"
2020-04-21 08:15:03 +02:00
drm_fb_helper.c
Merge tag 'v5.8' into drm-next
2020-08-11 11:58:31 +10:00
drm_file.c
drm : Insert blank lines after declarations.
2020-07-02 15:26:00 +02:00
drm_flip_work.c
…
drm_format_helper.c
drm/format-helper: Add drm_fb_swab()
2020-05-26 13:33:08 +02:00
drm_fourcc.c
drm: drm_fourcc: add NV15, Q410, Q401 YUV formats
2020-06-19 13:33:40 +01:00
drm_framebuffer.c
drm : Insert blank lines after declarations.
2020-07-02 15:26:00 +02:00
drm_gem_cma_helper.c
drm: core: Convert device logging to drm_* functions.
2020-07-20 09:34:24 +02:00
drm_gem_framebuffer_helper.c
drm: remove _unlocked suffix in drm_gem_object_put_unlocked
2020-05-19 22:31:31 +01:00
drm_gem_shmem_helper.c
drm/shmem-helper: Only dma-buf imports are private obj
2020-06-16 19:11:51 +02:00
drm_gem_ttm_helper.c
drm: remove _unlocked suffix in drm_gem_object_put_unlocked
2020-05-19 22:31:31 +01:00
drm_gem_vram_helper.c
drm/ttm: rename ttm_mem_reg to ttm_resource.
2020-08-06 13:19:21 +10:00
drm_gem.c
Merge tag 'drm-misc-fixes-2020-08-04' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2020-08-11 12:00:30 +10:00
drm_hashtab.c
…
drm_hdcp.c
drm: Fix HDCP failures when SRM fw is missing
2020-05-05 14:01:53 -04:00
drm_internal.h
drm/vblank: Add vblank works
2020-07-16 18:16:31 -04:00
drm_ioc32.c
drm : Insert blank lines after declarations.
2020-07-02 15:26:00 +02:00
drm_ioctl.c
Merge tag 'drm-misc-next-2020-06-19' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2020-06-24 15:45:51 +10:00
drm_irq.c
drm: use drm_dev_has_vblank more
2020-05-29 12:58:11 +02:00
drm_kms_helper_common.c
…
drm_lease.c
drm : Insert blank lines after declarations.
2020-07-02 15:26:00 +02:00
drm_legacy_misc.c
…
drm_legacy.h
…
drm_lock.c
drm : Insert blank lines after declarations.
2020-07-02 15:26:00 +02:00
drm_managed.c
drm: Include internal header for managed function declarations
2020-05-18 16:27:54 +01:00
drm_memory.c
…
drm_mipi_dbi.c
Merge tag 'v5.8' into drm-next
2020-08-11 11:58:31 +10:00
drm_mipi_dsi.c
drm: mipi-dsi: Convert logging to drm_* functions.
2020-07-10 20:21:45 +02:00
drm_mm.c
drm/mm: cleanup and improve next_hole_*_addr()
2020-06-23 15:46:40 +02:00
drm_mode_config.c
drm : Insert blank lines after declarations.
2020-07-02 15:26:00 +02:00
drm_mode_object.c
drm: Replace drm_modeset_lock/unlock_all with DRM_MODESET_LOCK_ALL_* helpers
2020-05-05 10:51:56 +02:00
drm_modes.c
drm: Replace HTTP links with HTTPS ones
2020-07-20 11:47:28 +02:00
drm_modeset_helper.c
…
drm_modeset_lock.c
…
drm_of.c
Merge tag 'v5.8' into drm-next
2020-08-11 11:58:31 +10:00
drm_panel_orientation_quirks.c
drm: Added orientation quirk for ASUS tablet model T103HAF
2020-08-04 11:45:23 +02:00
drm_panel.c
drm/panel: Add helper for reading DT rotation
2020-08-16 17:12:18 +02:00
drm_pci.c
drm : Insert blank lines after declarations.
2020-07-02 15:26:00 +02:00
drm_plane_helper.c
…
drm_plane.c
drm : Insert blank lines after declarations.
2020-07-02 15:26:00 +02:00
drm_prime.c
drm : Insert blank lines after declarations.
2020-07-02 15:26:00 +02:00
drm_print.c
…
drm_probe_helper.c
Merge tag 'drm-intel-next-2020-07-15' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2020-07-31 14:42:37 +10:00
drm_property.c
…
drm_rect.c
…
drm_scatter.c
gpu/drm: remove the powerpc hack in drm_legacy_sg_alloc
2020-06-02 10:59:11 -07:00
drm_scdc_helper.c
…
drm_self_refresh_helper.c
…
drm_simple_kms_helper.c
drm/simple-kms: Fix documentation for drm_simple_encoder_init()
2020-03-06 09:24:29 +01:00
drm_syncobj.c
drm/syncobj: Tune down unordered timeline DRM_ERROR
2020-08-02 15:22:31 +02:00
drm_sysfs.c
drm/connector: notify userspace on hotplug after register complete
2020-06-03 10:24:23 +02:00
drm_trace_points.c
…
drm_trace.h
…
drm_vblank_work.c
Merge tag 'sched-fifo-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-08-06 11:55:43 -07:00
drm_vblank.c
drm/vblank: Use spin_(un)lock_irq() in drm_crtc_queue_sequence_ioctl()
2020-07-21 11:08:35 -04:00
drm_vm.c
Merge tag 'drm-misc-next-2020-06-19' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2020-06-24 15:45:51 +10:00
drm_vma_manager.c
…
drm_writeback.c
drm/writeback: don't set fence->ops to default
2020-05-20 20:03:45 +02:00
Kconfig
drm: xlnx: DRM/KMS driver for Xilinx ZynqMP DisplayPort Subsystem
2020-07-18 02:59:16 +03:00
Makefile
Merge tag 'drm-xilinx-dpsub-20200718' of git://linuxtv.org/pinchartl/media into drm-next
2020-07-23 15:31:38 +10:00