]> git.proxmox.com Git - mirror_ubuntu-hirsute-kernel.git/commit
drm/i915/rkl: new rkl ddc map for different PCH
authorLee Shawn C <shawn.c.lee@intel.com>
Mon, 18 Jan 2021 14:26:03 +0000 (22:26 +0800)
committerSeth Forshee <seth.forshee@canonical.com>
Fri, 19 Feb 2021 18:08:15 +0000 (12:08 -0600)
commit4c1453485a389da576d1a79b5a1739035edaf82a
treec086f6bb3f111436ada8dce8553d8e95b5bf8cf4
parentf27bfc9be0f144649d93ff824509a2a4b4f3c188
drm/i915/rkl: new rkl ddc map for different PCH

BugLink: https://bugs.launchpad.net/bugs/1909457
After boot into kernel. Driver configured ddc pin mapping based on
predefined table in parse_ddi_port(). Now driver configure rkl
ddc pin mapping depends on icp_ddc_pin_map[]. Then this table will
give incorrect gmbus port number to cause HDMI can't work.

Refer to commit cd0a89527d06 ("drm/i915/rkl: Add DDC pin mapping").
Create two ddc pin table for rkl TGP and CMP pch. Then HDMI can
works properly on rkl.

v2: update patch based on latest dinq branch.
v3: update ddc table for RKL+TGP sku.
    RKL+CNP sku will load cnp_ddc_pin_map[] setting.
v4: modify the if/else judgment to avoid nesting.
v5: fix typo in v4.

Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Aditya Swarup <aditya.swarup@intel.com>
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Cooper Chiou <cooper.chiou@intel.com>
Cc: Khaled Almahallawy <khaled.almahallawy@intel.com>
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2577
Signed-off-by: Lee Shawn C <shawn.c.lee@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201117142629.28729-1-shawn.c.lee@intel.com
(cherry picked from commit 956aee8fa366cfd9d693aa6e7ef822b775980c01
drm-next)
Signed-off-by: Chia-Lin Kao (AceLan) <acelan.kao@canonical.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
drivers/gpu/drm/i915/display/intel_bios.c
drivers/gpu/drm/i915/display/intel_vbt_defs.h