diff options
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_workarounds.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index bc5fdb4e47b1..7fea61b00b99 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -902,6 +902,11 @@ icl_gt_workarounds_init(struct drm_i915_private *i915, struct i915_wa_list *wal) static void tgl_gt_workarounds_init(struct drm_i915_private *i915, struct i915_wa_list *wal) { + /* Wa_1409420604:tgl */ + if (IS_TGL_REVID(i915, TGL_REVID_A0, TGL_REVID_A0)) + wa_write_or(wal, + SUBSLICE_UNIT_LEVEL_CLKGATE2, + CPSSUNIT_CLKGATE_DIS); } static void diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 4b58861b5114..449648a28a67 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -4056,6 +4056,9 @@ enum { #define SUBSLICE_UNIT_LEVEL_CLKGATE _MMIO(0x9524) #define GWUNIT_CLKGATE_DIS (1 << 16) +#define SUBSLICE_UNIT_LEVEL_CLKGATE2 _MMIO(0x9528) +#define CPSSUNIT_CLKGATE_DIS REG_BIT(9) + #define UNSLICE_UNIT_LEVEL_CLKGATE _MMIO(0x9434) #define VFUNIT_CLKGATE_DIS (1 << 20) |