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drm/i915: Use intel_de_rmw() for DBUF_POWER_REQUEST

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Use intel_de_rmw() instead of hand rolling it.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210416171011.19012-6-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2021-04-16 20:10:08 +03:00
parent 6390e5aa13
commit d152bb1f67
1 changed files with 2 additions and 7 deletions
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9
drivers/gpu/drm/i915/display/intel_display_power.c
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@ -4757,14 +4757,9 @@ static void gen9_dbuf_slice_set(struct drm_i915_private *dev_priv,
{
i915_reg_t reg = DBUF_CTL_S(slice);
bool state;
u32 val;
val = intel_de_read(dev_priv, reg);
if (enable)
val |= DBUF_POWER_REQUEST;
else
val &= ~DBUF_POWER_REQUEST;
intel_de_write(dev_priv, reg, val);
intel_de_rmw(dev_priv, reg, DBUF_POWER_REQUEST,
enable ? DBUF_POWER_REQUEST : 0);
intel_de_posting_read(dev_priv, reg);
udelay(10);