From 2b8b2948c6cbb3de3db5587b0777bb5740662790 Mon Sep 17 00:00:00 2001
From: Vinod Govindapillai <vinod.govindapillai@intel.com>
Date: Sun, 1 Oct 2023 14:31:55 +0300
Subject: [PATCH] drm/i915/xe2lpd: update the scaler feature capability
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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.govindapillai@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231001113155.80659-4-vinod.govindapillai@intel.com
Signed-off-by: Jouni Högander <jouni.hogander@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 c38c5191afa41..2b1ec23ba9c33 100644
--- a/drivers/gpu/drm/i915/display/intel_display_device.c
+++ b/drivers/gpu/drm/i915/display/intel_display_device.c
@@ -1078,6 +1078,13 @@ static void __intel_display_device_info_runtime_init(struct drm_i915_private *i9
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;
--
2.30.2