AuxXxilium/linux_dsm_epyc7002
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8cbf89db29
linux_dsm_epyc7002/drivers/gpu/drm/i915/display
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Vivek Kasireddy 8cbf89db29 drm/i915/dsi: Parse the I2C element from the VBT MIPI sequence block (v3) 
Parsing the i2c element is mainly done to transfer the payload from the
MIPI sequence block to the relevant slave device. In some cases, the
commands that are part of the payload can be used to turn on the backlight.

This patch is actually a refactored version of this old patch:
https://lists.freedesktop.org/archives/intel-gfx/2014-December/056897.html

In addition to the refactoring, the original patch is augmented by
looking up the i2c bus from ACPI NS instead of relying on the bus number
provided in the VBT.

This patch was tested on Aava Mobile's Inari 10 tablet. It enabled
turning on the backlight by transferring the payload to the device.

v2:
- Add DRM_DEV_ERROR for invalid adapter and failed transfer and also
  drop the DRM_DEBUG that existed originally. (Hans)
- Add two gotos instead of one to clean things up properly.

v3:
- Identify the device on which this patch was tested in the commit
  message (Ville)

Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Bob Paauwe <bob.j.paauwe@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200110181123.14536-1-vivek.kasireddy@intel.com
2020-01-10 10:35:53 -08:00
..
dvo_ch7xxx.c
dvo_ch7017.c
dvo_ivch.c
dvo_ns2501.c
dvo_sil164.c
dvo_tfp410.c
icl_dsi.c drm/i915: prefer 3-letter acronym for skylake 2019-12-28 13:37:59 -08:00
intel_acpi.c
intel_acpi.h
intel_atomic_plane.c drm/i915: Make sure CCS YUV semiplanar format checks work 2019-12-23 13:51:02 +02:00
intel_atomic_plane.h drm/i915: Remove special case slave handling during hw programming, v3. 2019-11-01 14:51:21 +01:00
intel_atomic.c drm/i915/display: Force the state compute phase once to enable PSR 2020-01-08 08:12:01 -08:00
intel_atomic.h drm/i915/tgl: Select master transcoder for MST stream 2019-12-23 09:26:41 -08:00
intel_audio.c drm/i915: Limit audio CDCLK>=2*BCLK constraint back to GLK only 2020-01-06 08:45:35 -08:00
intel_audio.h
intel_bios.c drm/i915/bios: remove extra debug messages 2019-12-13 14:36:06 -08:00
intel_bios.h drm/i915/bios: add support for querying DSC details for encoder 2019-12-11 07:39:47 +02:00
intel_bw.c drm/i915/display: cleanup intel_bw_state on i915 module removal 2019-12-24 15:01:50 +05:30
intel_bw.h drm/i915/display: cleanup intel_bw_state on i915 module removal 2019-12-24 15:01:50 +05:30
intel_cdclk.c drm/i915/ehl: Update voltage level checks 2019-11-25 15:00:44 +02:00
intel_cdclk.h
intel_color.c drm/i915: Preload LUTs if the hw isn't currently using them 2019-11-18 09:20:27 -08:00
intel_color.h
intel_combo_phy.c
intel_combo_phy.h
intel_connector.c drm/i915/dp: Attach colorspace property 2019-10-15 16:24:59 +03:00
intel_connector.h
intel_crt.c drm/i915: use true,false for bool variable in intel_crt.c 2020-01-09 16:47:16 +02:00
intel_crt.h
intel_ddi.c drm/i915: Fix MST disable sequence 2020-01-09 18:48:55 +02:00
intel_ddi.h drm/i915: Call hsw_fdi_link_train() directly() 2019-12-18 16:47:34 +02:00
intel_display_power.c drm/i915/icl: Cleanup combo PHY aux power well handlers 2019-12-13 12:06:34 -08:00
intel_display_power.h drm/i915: fix comment for POWER_DOMAIN_TRANSCODER_VDSC_PW2 2019-12-23 11:58:49 +02:00
intel_display_types.h drm/i915/tgl: Gen-12 display can decompress surfaces compressed by the media engine 2020-01-07 13:16:49 +02:00
intel_display.c Merge drm/drm-next into drm-intel-next-queued 2020-01-09 17:19:12 +02:00
intel_display.h drm/i915/tgl: Gen-12 display can decompress surfaces compressed by the media engine 2020-01-07 13:16:49 +02:00
intel_dp_aux_backlight.c
intel_dp_aux_backlight.h
intel_dp_link_training.c
intel_dp_link_training.h
intel_dp_mst.c drm/i915: prefer 3-letter acronym for ironlake 2019-12-28 13:38:03 -08:00
intel_dp_mst.h drm/i915/tgl: Select master transcoder for MST stream 2019-12-23 09:26:41 -08:00
intel_dp.c drm/i915: Pass cpu_transcoder to assert_pipe_disabled() always 2020-01-09 19:14:56 +02:00
intel_dp.h drm/i915/dp: Program an Infoframe SDP Header and DB for HDR Static Metadata 2019-10-15 16:24:59 +03:00
intel_dpio_phy.c drm/i915: Perform automated conversions for crtc uapi/hw split, base -> uapi. 2019-11-01 14:51:21 +01:00
intel_dpio_phy.h
intel_dpll_mgr.c drm/i915: Perform automated conversions for crtc uapi/hw split, base -> uapi. 2019-11-01 14:51:21 +01:00
intel_dpll_mgr.h drm/i915/tgl: Fix doc not corresponding to code 2019-10-29 15:33:12 -07:00
intel_dsb.c drm/i915/dsb: fix cmd_buf being wrongly set 2019-12-02 10:06:25 -08:00
intel_dsb.h drm/i915/dsb: remove atomic operations 2019-11-18 13:27:09 -08:00
intel_dsi_dcs_backlight.c
intel_dsi_dcs_backlight.h
intel_dsi_vbt.c drm/i915/dsi: Parse the I2C element from the VBT MIPI sequence block (v3) 2020-01-10 10:35:53 -08:00
intel_dsi.c
intel_dsi.h drm/i915/dsi: Parse the I2C element from the VBT MIPI sequence block (v3) 2020-01-10 10:35:53 -08:00
intel_dvo_dev.h
intel_dvo.c drm/i915: Perform automated conversions for crtc uapi/hw split, base -> uapi. 2019-11-01 14:51:21 +01:00
intel_dvo.h
intel_fbc.c drm/i915/fbc: Reject PLANE_OFFSET.y%4!=0 on icl+ too 2019-12-19 22:18:26 +02:00
intel_fbc.h drm/i915/fbc: Wait for vblank after FBC disable on glk+ 2019-12-09 16:10:58 +02:00
intel_fbdev.c drm-misc-next for v5.6: 2019-12-17 13:57:54 +01:00
intel_fbdev.h
intel_fifo_underrun.c drm/i915: prefer 3-letter acronym for ivybridge 2019-12-28 13:38:08 -08:00
intel_fifo_underrun.h
intel_frontbuffer.c drm/i915: Hold reference to intel_frontbuffer as we track activity 2019-12-18 12:09:57 +00:00
intel_frontbuffer.h drm/i915: Hold reference to intel_frontbuffer as we track activity 2019-12-18 12:09:57 +00:00
intel_gmbus.c
intel_gmbus.h
intel_hdcp.c drm/i915/hdcp: Nuke intel_hdcp_transcoder_config() 2019-12-10 12:37:53 +02:00
intel_hdcp.h drm/i915/hdcp: Nuke intel_hdcp_transcoder_config() 2019-12-10 12:37:53 +02:00
intel_hdmi.c drm/i915: Provide ddc symlink in hdmi connector sysfs directory 2019-12-19 15:07:03 +02:00
intel_hdmi.h
intel_hotplug.c
intel_hotplug.h
intel_lpe_audio.c
intel_lpe_audio.h
intel_lspcon.c drm/i915: Perform automated conversions for crtc uapi/hw split, base -> hw. 2019-11-01 14:51:20 +01:00
intel_lspcon.h
intel_lvds.c drm/i915: Perform automated conversions for crtc uapi/hw split, base -> uapi. 2019-11-01 14:51:21 +01:00
intel_lvds.h
intel_opregion.c drm/i915: opregion: set opregion chpd value to indicate the driver handles hotplug 2019-12-16 21:38:05 +01:00
intel_opregion.h
intel_overlay.c drm/i915/gt: Pull GT initialisation under intel_gt_init() 2019-12-22 12:51:32 +00:00
intel_overlay.h
intel_panel.c drm/i915: DSI: select correct PWM controller to use based on the VBT 2019-12-17 11:24:48 +01:00
intel_panel.h
intel_pipe_crc.c drm/i915: Perform automated conversions for crtc uapi/hw split, base -> uapi. 2019-11-01 14:51:21 +01:00
intel_pipe_crc.h
intel_psr.c drm/i915/display: Force the state compute phase once to enable PSR 2020-01-08 08:12:01 -08:00
intel_psr.h drm/i915/display: Force the state compute phase once to enable PSR 2020-01-08 08:12:01 -08:00
intel_quirks.c
intel_quirks.h
intel_sdvo_regs.h
intel_sdvo.c drm/i915: Drop redundant aspec ratio prop value initialization 2019-11-14 19:49:19 +02:00
intel_sdvo.h
intel_sprite.c drm/i915/tgl: Gen-12 display can decompress surfaces compressed by the media engine 2020-01-07 13:16:49 +02:00
intel_sprite.h drm/i915: Allow planes to declare their minimum acceptable cdclk 2019-10-24 21:22:25 +03:00
intel_tc.c drm/i915/tc: Update DP_MODE programming 2019-09-27 10:40:17 -07:00
intel_tc.h drm/i915/tc: Update DP_MODE programming 2019-09-27 10:40:17 -07:00
intel_tv.c drm/i915: Pass cpu_transcoder to assert_pipe_disabled() always 2020-01-09 19:14:56 +02:00
intel_tv.h
intel_vbt_defs.h drm/i915/bios: parse compression parameters block 2019-12-11 07:39:41 +02:00
intel_vdsc.c drm/i915/dsc: fix DSC power domains for DSI 2019-12-19 15:24:03 +02:00
intel_vdsc.h drm/i915/dsc: add basic hardware state readout support 2019-12-11 08:16:16 +02:00
intel_vga.c drm/i915/vga: rename intel_vga_msr_write() to intel_vga_reset_io_mem() 2019-10-06 11:24:53 +03:00
intel_vga.h drm/i915/vga: rename intel_vga_msr_write() to intel_vga_reset_io_mem() 2019-10-06 11:24:53 +03:00
vlv_dsi_pll.c
vlv_dsi.c drm/i915/dsi: Init panel-enable GPIO to low when the LCD is initially off (v2) 2020-01-03 11:46:59 +01:00