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drm/i915: Extend WaDisableDARBFClkGating to icl,ehl,tgl

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commit 1e1a139d62 upstream.

WaDisableDARBFClkGating, now known as Wa_14010480278, has been added to
the workaround tables for ICL, EHL, and TGL so we need to extend our
platform test accordingly.

Bspec: 33450
Bspec: 33451
Bspec: 52890
Cc: stable@kernel.vger.org
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Matt Atwood <matthew.s.atwood@intel.com>
Cc: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191224012026.3157766-2-matthew.d.roper@intel.com
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Matt Roper
2019-12-23 17:20:24 -08:00
committed by Greg Kroah-Hartman
parent d8e0b58fa4
commit 9da07c4aea
1 changed files with 5 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/i915/display/intel_display.c
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@@ -16860,8 +16860,11 @@ get_encoder_power_domains(struct drm_i915_private *dev_priv)
static void intel_early_display_was(struct drm_i915_private *dev_priv)
{
/* Display WA #1185 WaDisableDARBFClkGating:cnl,glk */
if (IS_CANNONLAKE(dev_priv) || IS_GEMINILAKE(dev_priv))
/*
* Display WA #1185 WaDisableDARBFClkGating:cnl,glk,icl,ehl,tgl
* Also known as Wa_14010480278.
*/
if (IS_GEN_RANGE(dev_priv, 10, 12) || IS_GEMINILAKE(dev_priv))
I915_WRITE(GEN9_CLKGATE_DIS_0, I915_READ(GEN9_CLKGATE_DIS_0) |
DARBF_GATING_DIS);