Reviewed-by: Swathi Dhanavanthri <swathi.dhanavanthri@xxxxxxxxx> -----Original Message----- From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Matt Roper Sent: Thursday, January 20, 2022 3:42 PM To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx Subject: [PATCH] drm/i915/dg2: Add Wa_18018781329 A few more MOD registers need to be programmed on DG2. Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx> --- drivers/gpu/drm/i915/gt/intel_workarounds.c | 6 ++++++ drivers/gpu/drm/i915/i915_reg.h | 4 ++++ 2 files changed, 10 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 6a4372c3a3c5..748b2daf043f 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -1509,6 +1509,12 @@ dg2_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal) */ wa_write_or(wal, XEHP_L3SCQREG7, BLEND_FILL_CACHING_OPT_DIS); wa_write_or(wal, GEN12_SQCM, EN_32B_ACCESS); + + /* Wa_18018781329:dg2 */ + wa_write_or(wal, RENDER_MOD_CTRL, FORCE_MISS_FTLB); + wa_write_or(wal, COMP_MOD_CTRL, FORCE_MISS_FTLB); + wa_write_or(wal, VDBX_MOD_CTRL, FORCE_MISS_FTLB); + wa_write_or(wal, VEBX_MOD_CTRL, FORCE_MISS_FTLB); } static void diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 460bce5c544d..d587257f392a 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -339,6 +339,10 @@ #define TAG_BLOCK_CLKGATE_DIS REG_BIT(7) #define GEN12_MERT_MOD_CTRL _MMIO(0xcf28) +#define RENDER_MOD_CTRL _MMIO(0xcf2c) +#define COMP_MOD_CTRL _MMIO(0xcf30) +#define VDBX_MOD_CTRL _MMIO(0xcf34) +#define VEBX_MOD_CTRL _MMIO(0xcf38) #define FORCE_MISS_FTLB REG_BIT(3) #define GAB_CTL _MMIO(0x24000) -- 2.34.1
