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drm/i915/xe2lpd: update the dsc feature capability

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Update the global dsc flag 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/20231001113155.80659-3-vinod.govindapillai@intel.com
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
This commit is contained in:
Vinod Govindapillai
2023-10-01 14:31:54 +03:00
committed by Jouni Högander
parent 9a3acd8c77
commit 6d181a288e
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/i915/display/intel_display_device.c
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@@ -1072,6 +1072,14 @@ static void __intel_display_device_info_runtime_init(struct drm_i915_private *i9
display_runtime->has_dsc = 0;
}
if (DISPLAY_VER(i915) >= 20) {
u32 cap = intel_de_read(i915, XE2LPD_DE_CAP);
if (REG_FIELD_GET(XE2LPD_DE_CAP_DSC_MASK, cap) ==
XE2LPD_DE_CAP_DSC_REMOVED)
display_runtime->has_dsc = 0;
}
return;
display_fused_off: