iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/i915/display: Check if FBC is fused off

Browse Source 
Check if FBC is fused off and handle it.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Martin Peres <martin.peres@linux.intel.com>
Reviewed-by: Ramalingam C <ramalingam.c@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191026001323.216052-3-jose.souza@intel.com
This commit is contained in:
José Roberto de Souza 2019-10-25 17:13:21 -07:00
parent 74393109a8
commit 7a40aac1d7
2 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/i915/i915_reg.h
View File

@ -7743,6 +7743,7 @@ enum {
#define CNL_DDI_CLOCK_REG_ACCESS_ON (1 << 7)
#define SKL_DFSM _MMIO(0x51000)
#define SKL_DFSM_DISPLAY_PM_DISABLE (1 << 27)
#define SKL_DFSM_DISPLAY_HDCP_DISABLE (1 << 25)
#define SKL_DFSM_CDCLK_LIMIT_MASK (3 << 23)
#define SKL_DFSM_CDCLK_LIMIT_675 (0 << 23)

3
drivers/gpu/drm/i915/intel_device_info.c
View File

@ -984,6 +984,9 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
if (dfsm & SKL_DFSM_DISPLAY_HDCP_DISABLE)
info->display.has_hdcp = 0;
if (dfsm & SKL_DFSM_DISPLAY_PM_DISABLE)
info->display.has_fbc = 0;
}
/* Initialize slice/subslice/EU info */