From d8dc5b1bc3703294ea5a88a9d113ba546c3ebed2 Mon Sep 17 00:00:00 2001 From: Clint Taylor Date: Wed, 30 Oct 2024 12:55:07 -0700 Subject: [PATCH] drm/i915/display: Fuse bit for power management disable removed MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Starting with display version 13 the fuse bit to disable Display PM has been removed. v2: Bit removed starting with display version 13 (MattR) v3: DG2 still uses this fuse bit (MattR) Bspec: 50075, 69464 Cc: Matt Roper Signed-off-by: Clint Taylor Signed-off-by: Matt Atwood Reviewed-by: Jouni Högander Reviewed-by: Vinod Govindapillai Link: https://patchwork.freedesktop.org/patch/msgid/20241030195507.2753404-1-clinton.a.taylor@intel.com Signed-off-by: Jani Nikula --- drivers/gpu/drm/i915/display/intel_display_device.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c b/drivers/gpu/drm/i915/display/intel_display_device.c index 83fa9036e3c7a..5f98e1b2a4016 100644 --- a/drivers/gpu/drm/i915/display/intel_display_device.c +++ b/drivers/gpu/drm/i915/display/intel_display_device.c @@ -1776,8 +1776,10 @@ static void __intel_display_device_info_runtime_init(struct drm_i915_private *i9 if (dfsm & SKL_DFSM_DISPLAY_HDCP_DISABLE) display_runtime->has_hdcp = 0; - if (dfsm & SKL_DFSM_DISPLAY_PM_DISABLE) - display_runtime->fbc_mask = 0; + if (IS_DG2(i915) || DISPLAY_VER(i915) < 13) { + if (dfsm & SKL_DFSM_DISPLAY_PM_DISABLE) + display_runtime->fbc_mask = 0; + } if (DISPLAY_VER(i915) >= 11 && (dfsm & ICL_DFSM_DMC_DISABLE)) display_runtime->has_dmc = 0;