mirror_ubuntu-kernels/drivers/gpu/drm
Karthikeyan Ramasubramanian 43b26bdd2e
drm/i915/bios: Fix parsing backlight BDB data
Starting BDB version 239, hdr_dpcd_refresh_timeout is introduced to
backlight BDB data. Commit 700034566d ("drm/i915/bios: Define more BDB
contents") updated the backlight BDB data accordingly. This broke the
parsing of backlight BDB data in VBT for versions 236 - 238 (both
inclusive) and hence the backlight controls are not responding on units
with the concerned BDB version.

backlight_control information has been present in backlight BDB data
from at least BDB version 191 onwards, if not before. Hence this patch
extracts the backlight_control information for BDB version 191 or newer.
Tested on Chromebooks using Jasperlake SoC (reports bdb->version = 236).
Tested on Chromebooks using Raptorlake SoC (reports bdb->version = 251).

v2: removed checking the block size of the backlight BDB data
    [vsyrjala: this is completely safe thanks to commit e163cfb4c9
     ("drm/i915/bios: Make copies of VBT data blocks")]

Fixes: 700034566d ("drm/i915/bios: Define more BDB contents")
Cc: stable@vger.kernel.org
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@chromium.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240221180622.v2.1.I0690aa3e96a83a43b3fc33f50395d334b2981826@changeid
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
(cherry picked from commit c286f6a973)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2024-05-07 09:42:27 -04:00
..
amd drm/amd/display: Disable panel replay by default for now 2024-05-01 09:41:17 -04:00
arm drm/drm_property: make replace_property_blob_from_id a DRM helper 2023-12-13 15:09:53 -05:00
armada drm: Use device_get_match_data() 2023-11-27 13:56:32 -06:00
aspeed drm: Use device_get_match_data() 2023-11-27 13:56:32 -06:00
ast drm/ast: Fix soft lockup 2024-04-05 10:22:23 +02:00
atmel-hlcdc
bridge drm fixes for 6.9-rc1 2024-03-21 19:04:31 -07:00
ci drm/ci: mark universal-plane-sanity as failing on SC7180 2024-02-19 17:31:18 -03:00
display drm/display: fix typo 2024-04-01 22:35:16 +03:00
etnaviv Revert "drm/etnaviv: Expose a few more chipspecs to userspace" 2024-04-25 16:56:20 +02:00
exynos drm/exynos: simplify the return value handling in exynos_dp_get_modes() 2024-03-13 10:44:14 +02:00
fsl-dcu
gma500 drm/gma500: Remove lid code 2024-04-18 10:56:30 +02:00
gud
hisilicon drm-misc-next for v6.9: 2024-02-05 13:50:15 +10:00
hyperv drm/hyperv: Remove firmware framebuffers with aperture helper 2024-01-12 12:38:37 +01:00
i2c
i915 drm/i915/bios: Fix parsing backlight BDB data 2024-05-07 09:42:27 -04:00
imagination drm/imagination: Ensure PVR_MIPS_PT_PAGE_COUNT is never zero 2024-04-29 12:31:28 +01:00
imx drm/imx/ipuv3: do not return negative values from .get_modes() 2024-03-13 10:44:14 +02:00
ingenic drm: Clean-up superfluously selecting VT_HW_CONSOLE_BINDING 2024-01-12 13:58:20 +01:00
kmb drm/kmb: Convert to platform remove callback returning void 2023-11-21 09:18:52 +01:00
lib
lima drm/lima: standardize debug messages by ip name 2024-02-12 16:27:48 +08:00
logicvc
loongson Merge drm/drm-next into drm-misc-next 2024-01-29 14:20:23 +01:00
mcde drm: Clean-up superfluously selecting VT_HW_CONSOLE_BINDING 2024-01-12 13:58:20 +01:00
mediatek Mediatek DRM Next for Linux 6.9 2024-03-01 19:14:33 +10:00
meson Linux 6.8-rc6 2024-02-26 11:41:07 +01:00
mgag200 drm/mgag200: Add a workaround for low-latency 2024-02-26 16:37:51 +01:00
msm Merge tag 'drm-msm-next-2024-04-11' of https://gitlab.freedesktop.org/drm/msm into drm-fixes 2024-04-12 11:01:45 +10:00
mxsfb drm: lcdif: Switch to drmm_mode_config_init 2024-02-26 08:33:45 +01:00
nouveau Short summary of fixes pull: 2024-05-03 11:16:40 +10:00
omapdrm drm/omap/hdmi5: switch to ->edid_read callback 2024-02-09 10:16:01 +02:00
panel drm/panel: ili9341: Use predefined error codes 2024-05-02 09:41:27 +02:00
panfrost drm/panfrost: Fix the error path in panfrost_mmu_map_fault_addr() 2024-04-04 18:11:01 +03:00
pl111 drm: Clean-up superfluously selecting VT_HW_CONSOLE_BINDING 2024-01-12 13:58:20 +01:00
qxl Revert "drm/qxl: simplify qxl_fence_wait" 2024-04-05 15:10:31 +02:00
radeon drm/radeon: silence UBSAN warning (v3) 2024-04-17 11:50:43 -04:00
renesas drm: renesas: rz-du: Fix redefinition errors related to rzg2l_du_vsp_*() 2024-02-22 14:46:41 +01:00
rockchip drm/rockchip: vop2: Remove AR30 and AB30 format support 2024-03-26 09:48:26 +01:00
scheduler Merge drm/drm-fixes into drm-misc-fixes 2024-03-25 21:11:58 +01:00
solomon drm-misc-next for v6.9: 2024-02-05 13:50:15 +10:00
sprd drm/sprd: Convert to platform remove callback returning void 2023-11-21 09:18:53 +01:00
sti
stm
sun4i drm/sun4i: hdmi: Fix u64 div on 32bit arch 2024-03-14 13:45:03 +01:00
tegra drm for 6.9: 2024-03-13 18:34:05 -07:00
tests drm for 6.9: 2024-03-13 18:34:05 -07:00
tidss drm/tidss: Fix sync-lost issue with two displays 2024-02-26 10:09:43 +02:00
tilcdc drm/tilcdc: request and mapp iomem with devres 2023-12-28 19:29:04 +02:00
tiny drm/simpledrm: Do not include <drm/drm_plane_helper.h> 2023-12-06 10:36:18 +01:00
ttm drm/ttm: Print the memory decryption status just once 2024-04-25 20:30:11 -04:00
tve200 drm: Clean-up superfluously selecting VT_HW_CONSOLE_BINDING 2024-01-12 13:58:20 +01:00
udl Revert "drm/udl: Add ARGB8888 as a format" 2024-03-06 07:08:24 -08:00
v3d drm/v3d: Don't increment enabled_ns twice 2024-04-15 15:00:19 -03:00
vboxvideo drm/vboxvideo: Use the hotspot properties from cursor planes 2023-11-24 11:58:00 +01:00
vc4 drm/vc4: hdmi: do not return negative values from .get_modes() 2024-03-13 10:44:14 +02:00
vgem
virtio drm-misc-next for v6.9: 2024-02-05 13:50:15 +10:00
vkms drm/vkms: Avoid reading beyond LUT array 2024-01-02 12:06:53 -01:00
vmwgfx drm/vmwgfx: Fix invalid reads in fence signaled events 2024-04-30 12:54:07 -04:00
xe drm/xe/display: Fix ADL-N detection 2024-05-02 11:11:01 -05:00
xen
xlnx drm: xlnx: zynqmp_dpsub: switch to ->edid_read callback 2024-02-09 10:16:03 +02:00
drm_aperture.c
drm_atomic_helper.c drm-misc-next for $kernel-version: 2023-12-19 17:07:32 +10:00
drm_atomic_state_helper.c drm/drm_plane: track color mgmt changes per plane 2023-12-13 15:09:53 -05:00
drm_atomic_uapi.c drm/drm_property: make replace_property_blob_from_id a DRM helper 2023-12-13 15:09:53 -05:00
drm_atomic.c drm/drm_plane: track color mgmt changes per plane 2023-12-13 15:09:53 -05:00
drm_auth.c drm-next for 6.8: 2024-01-12 11:32:19 -08:00
drm_blend.c Revert "drm: Introduce pixel_source DRM plane property" 2023-12-04 21:33:10 +02:00
drm_bridge_connector.c drm/bridge: switch to drm_bridge_edid_read() 2024-02-08 17:10:44 +02:00
drm_bridge.c drm/bridge: remove ->get_edid callback 2024-02-09 10:16:20 +02:00
drm_buddy.c drm/buddy: check range allocation matches alignment 2024-02-28 08:02:53 +01:00
drm_cache.c
drm_client_modeset.c drm/client: Fully protect modes[] with dev->mode_config.mutex 2024-04-08 18:01:17 +03:00
drm_client.c
drm_color_mgmt.c
drm_connector.c
drm_crtc_helper_internal.h
drm_crtc_helper.c drm/plane-helper: Move drm_plane_helper_atomic_check() into udl 2023-12-06 10:35:49 +01:00
drm_crtc_internal.h Revert "drm/atomic: Add pixel source to plane state dump" 2023-12-04 21:33:07 +02:00
drm_crtc.c drm: Remove drm_num_crtcs() helper 2024-02-28 12:18:07 +01:00
drm_damage_helper.c drm: Allow drivers to indicate the damage helpers to ignore damage clips 2023-11-24 15:15:25 +01:00
drm_debugfs_crc.c
drm_debugfs.c drm/debugfs: drop unneeded DEBUG_FS guard 2024-01-02 15:50:13 +02:00
drm_displayid.c
drm_drv.c drm: Remove support for legacy drivers 2023-12-06 10:08:28 +01:00
drm_dumb_buffers.c
drm_edid_load.c drm/edid/firmware: Remove built-in EDIDs 2024-02-26 14:05:18 +01:00
drm_edid.c drm-misc-next for v6.9: 2024-02-05 13:50:15 +10:00
drm_eld.c
drm_encoder_slave.c
drm_encoder.c drm/encoder: register per-encoder debugfs dir 2023-12-04 16:07:29 +02:00
drm_exec.c Merge drm/drm-next into drm-misc-next 2024-01-29 14:20:23 +01:00
drm_fb_dma_helper.c
drm_fb_helper.c
drm_fbdev_dma.c
drm_fbdev_generic.c
drm_file.c drm: update drm_show_memory_stats() for dma-bufs 2024-02-16 12:52:50 +01:00
drm_flip_work.c
drm_format_helper.c
drm_fourcc.c
drm_framebuffer.c drm: Warn when freeing a framebuffer that's still on a list 2023-12-23 07:31:29 +02:00
drm_gem_atomic_helper.c drm/atomic-helper: fix parameter order in drm_format_conv_state_copy() call 2024-04-19 17:36:49 +02:00
drm_gem_dma_helper.c
drm_gem_framebuffer_helper.c
drm_gem_shmem_helper.c
drm_gem_ttm_helper.c
drm_gem_vram_helper.c drm for 6.9: 2024-03-13 18:34:05 -07:00
drm_gem.c
drm_gpuvm.c Merge tag 'drm-msm-next-2023-12-15' of https://gitlab.freedesktop.org/drm/msm into drm-next 2023-12-20 07:54:03 +10:00
drm_internal.h drm: Remove source code for non-KMS drivers 2023-12-06 10:08:37 +01:00
drm_ioc32.c drm/ioc32: replace __attribute__((packed)) with __packed 2023-12-14 12:16:58 +02:00
drm_ioctl.c drm: Remove locking for legacy ioctls and DRM_UNLOCKED 2023-12-06 10:08:32 +01:00
drm_kms_helper_common.c drm/edid/firmware: drop drm_kms_helper.edid_firmware backward compat 2023-11-21 12:22:48 +02:00
drm_lease.c
drm_managed.c drm/managed: Add drmm_release_action 2024-01-17 10:38:39 +01:00
drm_mipi_dbi.c
drm_mipi_dsi.c drm: mipi-dsi: make mipi_dsi_bus_type const 2024-02-07 12:35:10 +02:00
drm_mm.c
drm_mode_config.c drm/mode: switch from drm_debug_printer() to device specific drm_dbg_printer() 2024-02-09 11:51:59 +02:00
drm_mode_object.c drm: Refuse to async flip with atomic prop changes 2023-11-23 17:12:38 +01:00
drm_modes.c drm-misc-next for v6.9: 2024-02-05 13:50:15 +10:00
drm_modeset_helper.c drm: Check output polling initialized before disabling 2024-02-28 15:07:15 +01:00
drm_modeset_lock.c drm: remove drm_debug_printer in favor of drm_dbg_printer 2024-02-09 11:52:43 +02:00
drm_of.c
drm_panel_orientation_quirks.c drm: panel-orientation-quirks: Add quirk for GPD Win Mini 2024-01-19 09:25:22 +01:00
drm_panel.c drm/panel: do not return negative error codes from drm_panel_get_modes() 2024-03-13 10:44:14 +02:00
drm_pci.c drm: Remove source code for non-KMS drivers 2023-12-06 10:08:37 +01:00
drm_plane_helper.c drm/plane-helper: Move drm_plane_helper_atomic_check() into udl 2023-12-06 10:35:49 +01:00
drm_plane.c drm: Don't unref the same fb many times by mistake due to deadlock handling 2023-12-23 07:31:05 +02:00
drm_prime.c drm/prime: Unbreak virtgpu dma-buf export 2024-03-28 19:52:22 +01:00
drm_print.c drm: remove drm_debug_printer in favor of drm_dbg_printer 2024-02-09 11:52:43 +02:00
drm_privacy_screen_x86.c
drm_privacy_screen.c
drm_probe_helper.c drm fixes for 6.9-rc1 2024-03-21 19:04:31 -07:00
drm_property.c drm/drm_property: make replace_property_blob_from_id a DRM helper 2023-12-13 15:09:53 -05:00
drm_rect.c
drm_self_refresh_helper.c
drm_simple_kms_helper.c
drm_suballoc.c
drm_syncobj.c Linux 6.8-rc6 2024-02-26 11:41:07 +01:00
drm_sysfs.c
drm_trace_points.c
drm_trace.h
drm_vblank_work.c
drm_vblank.c drm: Remove support for legacy drivers 2023-12-06 10:08:28 +01:00
drm_vma_manager.c
drm_writeback.c
Kconfig drm fixes for 6.9-rc1 2024-03-21 19:04:31 -07:00
Makefile drm/xe: Introduce a new DRM driver for Intel GPUs 2023-12-12 14:05:48 -05:00