Commit 65ca7514 authored by Damien Lespiau's avatar Damien Lespiau Committed by Daniel Vetter
Browse files

drm/i915/skl: Implement WaBarrierPerformanceFixDisable


Signed-off-by: default avatarDamien Lespiau <damien.lespiau@intel.com>
Reviewed-by: default avatarNick Hoath <nicholas.hoath@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent e2db7071
......@@ -5272,6 +5272,7 @@ enum skl_disp_power_wells {
#define HDC_DONOT_FETCH_MEM_WHEN_MASKED (1<<11)
#define HDC_FORCE_CONTEXT_SAVE_RESTORE_NON_COHERENT (1<<5)
#define HDC_FORCE_NON_COHERENT (1<<4)
#define HDC_BARRIER_PERFORMANCE_DISABLE (1<<10)
/* WaCatErrorRejectionIssue */
#define GEN7_SQ_CHICKEN_MBCUNIT_CONFIG 0x9030
......
......@@ -934,6 +934,13 @@ static int chv_init_workarounds(struct intel_engine_cs *ring)
GEN6_WIZ_HASHING_MASK,
GEN6_WIZ_HASHING_16x4);
if (INTEL_REVID(dev) == SKL_REVID_C0 ||
INTEL_REVID(dev) == SKL_REVID_D0)
/* WaBarrierPerformanceFixDisable:skl */
WA_SET_BIT_MASKED(HDC_CHICKEN0,
HDC_FENCE_DEST_SLM_DISABLE |
HDC_BARRIER_PERFORMANCE_DISABLE);
return 0;
}
......
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