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drm/i915: update DSC feature flag handling during device init

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DSC feature information is no longer part of the DFSM register in
some display generations.

Bspec:50075
Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221011093048.447177-1-vinod.govindapillai@intel.com
This commit is contained in:
Vinod Govindapillai
2022-10-11 12:30:48 +03:00
committed by Stanislav Lisovskiy
parent 57cadf5b77
commit 639325e426
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_device_info.c
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@@ -488,7 +488,7 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
if (DISPLAY_VER(dev_priv) >= 11 && (dfsm & ICL_DFSM_DMC_DISABLE))
runtime->has_dmc = 0;
if (DISPLAY_VER(dev_priv) >= 10 &&
if (IS_DISPLAY_VER(dev_priv, 10, 12) &&
(dfsm & GLK_DFSM_DISPLAY_DSC_DISABLE))
runtime->has_dsc = 0;
}