From: Clint Taylor <clinton.a.taylor@intel.com>
Date: Tue, 19 Sep 2023 19:21:10 +0000 (-0700)
Subject: drm/i915/display: Remove FBC capability from fused off pipes
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=212cf016d974d351c252d760a9d42d02b3954830;p=linux.git

drm/i915/display: Remove FBC capability from fused off pipes

If a particular pipe is disabled by fuse also remove the FBC for that
pipe.

Bspec: 69464
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Cc: Gustavo Sousa <gustavo.sousa@intel.com>
Signed-off-by: Clint Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230919192128.2045154-4-lucas.demarchi@intel.com
---

diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c b/drivers/gpu/drm/i915/display/intel_display_device.c
index 5f14f9e8ca881..a6a18eae7ae86 100644
--- a/drivers/gpu/drm/i915/display/intel_display_device.c
+++ b/drivers/gpu/drm/i915/display/intel_display_device.c
@@ -1033,16 +1033,19 @@ void intel_display_device_info_runtime_init(struct drm_i915_private *i915)
 		if (dfsm & SKL_DFSM_PIPE_B_DISABLE) {
 			display_runtime->pipe_mask &= ~BIT(PIPE_B);
 			display_runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_B);
+			display_runtime->fbc_mask &= ~BIT(INTEL_FBC_B);
 		}
 		if (dfsm & SKL_DFSM_PIPE_C_DISABLE) {
 			display_runtime->pipe_mask &= ~BIT(PIPE_C);
 			display_runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_C);
+			display_runtime->fbc_mask &= ~BIT(INTEL_FBC_C);
 		}
 
 		if (DISPLAY_VER(i915) >= 12 &&
 		    (dfsm & TGL_DFSM_PIPE_D_DISABLE)) {
 			display_runtime->pipe_mask &= ~BIT(PIPE_D);
 			display_runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_D);
+			display_runtime->fbc_mask &= ~BIT(INTEL_FBC_D);
 		}
 
 		if (!display_runtime->pipe_mask)