[Intel-gfx] [PATCH v1 3/3] drm/i915/xe2lpd: update the scaler feature capability

[Vinod Govindapillai]

Update the number of scalers per pipe based on the display
capabilities reported.

v1: define the field values instead of the magic number (JaniN)

Bspec: 71161
Signed-off-by: Vinod Govindapillai <vinod.govindapil...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_display_device.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c 
b/drivers/gpu/drm/i915/display/intel_display_device.c
index 2c891fe4d74b..bb4fdfba138c 100644
--- a/drivers/gpu/drm/i915/display/intel_display_device.c
+++ b/drivers/gpu/drm/i915/display/intel_display_device.c
@@ -1071,6 +1071,13 @@ void intel_display_device_info_runtime_init(struct 
drm_i915_private *i915)
                if (REG_FIELD_GET(XE2LPD_DE_CAP_DSC_MASK, cap) ==
                    XE2LPD_DE_CAP_DSC_REMOVED)
                        display_runtime->has_dsc = 0;
+
+               if (REG_FIELD_GET(XE2LPD_DE_CAP_SCALER_MASK, cap) ==
+                   XE2LPD_DE_CAP_SCALER_SINGLE) {
+                       for_each_pipe(i915, pipe)
+                               if (display_runtime->num_scalers[pipe])
+                                       display_runtime->num_scalers[pipe] = 1;
+               }
        }
 
        return;
-- 
2.34.1