Re: [PATCH] drm/i915/pps: use intel_de_rmw() for panel unlock

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On 17.04.2023 10:57, Jani Nikula wrote:
Use rmw where needed.

Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
  drivers/gpu/drm/i915/display/intel_pps.c | 9 +++------
  1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_pps.c b/drivers/gpu/drm/i915/display/intel_pps.c
index 7f9926672a6a..4f0b0cca03cc 100644
--- a/drivers/gpu/drm/i915/display/intel_pps.c
+++ b/drivers/gpu/drm/i915/display/intel_pps.c
@@ -1653,12 +1653,9 @@ void intel_pps_unlock_regs_wa(struct drm_i915_private *dev_priv)
  	 */
  	pps_num = intel_num_pps(dev_priv);
- for (pps_idx = 0; pps_idx < pps_num; pps_idx++) {
-		u32 val = intel_de_read(dev_priv, PP_CONTROL(pps_idx));
-
-		val = (val & ~PANEL_UNLOCK_MASK) | PANEL_UNLOCK_REGS;
-		intel_de_write(dev_priv, PP_CONTROL(pps_idx), val);
-	}
+	for (pps_idx = 0; pps_idx < pps_num; pps_idx++)
+		intel_de_rmw(dev_priv, PP_CONTROL(pps_idx),
+			     PANEL_UNLOCK_MASK, PANEL_UNLOCK_REGS);
  }
void intel_pps_setup(struct drm_i915_private *i915)

Still some leftovers.

Reviewed-by: Andrzej Hajda <andrzej.hajda@xxxxxxxxx>

Regards
Andrzej



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