diff options
| author | Clinton A Taylor <clinton.a.taylor@intel.com> | 2020-10-21 11:20:30 +0300 |
|---|---|---|
| committer | Lucas De Marchi <lucas.demarchi@intel.com> | 2020-10-24 03:16:06 +0300 |
| commit | b18c1eb975ce181996310a526582a3ddbc6735e9 (patch) | |
| tree | 48c493c1bb59bdb732efded6598d240cbd7be0de /drivers/gpu/drm/i915/i915_irq.c | |
| parent | 229f31e2d370d36c2345dadb821c856f61d13197 (diff) | |
| download | linux-b18c1eb975ce181996310a526582a3ddbc6735e9.tar.xz | |
drm/i915/dg1: invert HPD pins
HPD pins are inverted for DG1 platform.
Bspec: 49956
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Clinton A Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201021082034.3170478-3-lucas.demarchi@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 4ac4139524a3..dc33c96d741d 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -3268,6 +3268,15 @@ static void jsp_hpd_irq_setup(struct drm_i915_private *dev_priv) static void dg1_hpd_irq_setup(struct drm_i915_private *dev_priv) { + u32 val; + + val = I915_READ(SOUTH_CHICKEN1); + val |= (INVERT_DDIA_HPD | + INVERT_DDIB_HPD | + INVERT_DDIC_HPD | + INVERT_DDID_HPD); + I915_WRITE(SOUTH_CHICKEN1, val); + icp_hpd_irq_setup(dev_priv, DG1_DDI_HPD_ENABLE_MASK, 0); } |