Commit d152bb1f authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915: Use intel_de_rmw() for DBUF_POWER_REQUEST 



Use intel_de_rmw() instead of hand rolling it.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210416171011.19012-6-ville.syrjala@linux.intel.com


Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
parent 6390e5aa

drivers/gpu/drm/i915/display/intel_display_power.c

+2 −7
Original line number Diff line number Diff line
@@ -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);