This w/a is fixed in B0 stepping and needs to be restricted for A0 stepping only. Bspec: 33451
Signed-off-by: Swathi Dhanavanthri <[email protected]> --- drivers/gpu/drm/i915/gt/intel_workarounds.c | 11 +++++++---- drivers/gpu/drm/i915/i915_drv.h | 5 +++++ 2 files changed, 12 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index aa90e6b7a118..90a2b9e399b0 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -917,10 +917,13 @@ icl_gt_workarounds_init(struct drm_i915_private *i915, struct i915_wa_list *wal) GAMT_CHKN_BIT_REG, GAMT_CHKN_DISABLE_L3_COH_PIPE); - /* Wa_1607087056:icl */ - wa_write_or(wal, - SLICE_UNIT_LEVEL_CLKGATE, - L3_CLKGATE_DIS | L3_CR2X_CLKGATE_DIS); + /* Wa_1607087056:icl,ehl,jsl */ + if (IS_ICELAKE(i915) || + IS_EHL_REVID(i915, EHL_REVID_A0, EHL_REVID_A0)) { + wa_write_or(wal, + SLICE_UNIT_LEVEL_CLKGATE, + L3_CLKGATE_DIS | L3_CR2X_CLKGATE_DIS); + } } static void diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 8656f1e0d97f..98dc8cdf2c38 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1517,6 +1517,11 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, #define IS_ICL_REVID(p, since, until) \ (IS_ICELAKE(p) && IS_REVID(p, since, until)) +#define EHL_REVID_A0 0x0 + +#define IS_EHL_REVID(p, since, until) \ + (IS_ELKHARTLAKE(p) && IS_REVID(p, since, until)) + #define TGL_REVID_A0 0x0 #define TGL_REVID_B0 0x1 #define TGL_REVID_C0 0x2 -- 2.20.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
