diff options
| author | José Roberto de Souza <jose.souza@intel.com> | 2022-03-25 07:22:49 -0700 |
|---|---|---|
| committer | José Roberto de Souza <jose.souza@intel.com> | 2022-03-30 09:55:57 -0700 |
| commit | 3f654e14825effb1d68ea481f96dc027e404365a (patch) | |
| tree | 3e4604d1fe4438afa743f89271ecf267514c8850 /drivers/gpu/drm/i915/gt | |
| parent | 552caa1fdbb8624d98964e3f0200fe78f4906a1a (diff) | |
drm/i915/dg2: Add Wa_22014226127
New DG2 workaround added to specification.
BSpec: 54077
BSpec: 66622
BSpec: 54833
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220325142249.81443-1-jose.souza@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gt')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_gt_regs.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_workarounds.c | 5 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h index 62e0f075b1de..17432b075d97 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h @@ -1088,6 +1088,7 @@ #define EU_PERF_CNTL3 _MMIO(0xe758) #define LSC_CHICKEN_BIT_0 _MMIO(0xe7c8) +#define DISABLE_D8_D16_COASLESCE REG_BIT(30) #define FORCE_1_SUB_MESSAGE_PER_FRAGMENT REG_BIT(15) #define LSC_CHICKEN_BIT_0_UDW _MMIO(0xe7c8 + 4) #define DIS_CHAIN_2XSIMD8 REG_BIT(55 - 32) diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index dc0ffff6f655..29c8cd0a81b6 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -2624,6 +2624,11 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li wa_write_or(wal, GEN12_GAMCNTRL_CTRL, INVALIDATION_BROADCAST_MODE_DIS | GLOBAL_INVALIDATION_MODE); } + + if (IS_DG2(i915)) { + /* Wa_22014226127:dg2 */ + wa_write_or(wal, LSC_CHICKEN_BIT_0, DISABLE_D8_D16_COASLESCE); + } } static void |