diff options
| author |   Lucas De Marchi <lucas.demarchi@intel.com> | 2020-07-13 11:23:21 -0700 |
|---|---|---|
| committer | Lucas De Marchi <lucas.demarchi@intel.com> | 2020-07-14 02:47:21 -0700 |
| commit | 51e3a64fafd534dfe1da1c53dc6917a51f0ba75c (patch) | |
| tree | 74c9777b0667cc27a22b7c15563aeb47bc10de53 /drivers/gpu/drm/i915/intel_pch.c | |
| parent | drm/i915/dg1: Remove SHPD_FILTER_CNT register programming (diff) | |
| download | linux-dev-51e3a64fafd534dfe1da1c53dc6917a51f0ba75c.tar.xz linux-dev-51e3a64fafd534dfe1da1c53dc6917a51f0ba75c.zip | |
drm/i915/dg1: Add fake PCH
DG1 has the south engine display on the same PCI device. Ideally we
could use HAS_PCH_SPLIT(), but that macro is misused all across the
code base to rather signify a range of gens. So add a fake one for DG1
to be used where needed.
Cc: Aditya Swarup <aditya.swarup@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200713182321.12390-6-lucas.demarchi@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pch.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pch.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pch.c b/drivers/gpu/drm/i915/intel_pch.c index c668e99eb2e4..6c97192e9ca8 100644 --- a/drivers/gpu/drm/i915/intel_pch.c +++ b/drivers/gpu/drm/i915/intel_pch.c @@ -188,6 +188,12 @@ void intel_detect_pch(struct drm_i915_private *dev_priv) { struct pci_dev *pch = NULL; + /* DG1 has south engine display on the same PCI device */ + if (IS_DG1(dev_priv)) { + dev_priv->pch_type = PCH_DG1; + return; + } + /* * The reason to probe ISA bridge instead of Dev31:Fun0 is to * make graphics device passthrough work easy for VMM, that only |