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authorShekhar Chauhan <shekhar.chauhan@intel.com>2023-09-22 18:53:56 +0300
committerMatt Roper <matthew.d.roper@intel.com>2023-09-25 19:18:44 +0300
commitae0e5e6eaaabd54377fe6f649d49ff5fbbc58d95 (patch)
tree8ae66c4bdb6669b2c59b0c20715d3849cab6e8fe /drivers
parent2fc37c0c59c925ac1e60c007670b9921565005a7 (diff)
downloadlinux-ae0e5e6eaaabd54377fe6f649d49ff5fbbc58d95.tar.xz
drm/i915: Add Wa_18028616096
Drop UGM per set fragment threshold to 3 BSpec: 54833 Signed-off-by: Shekhar Chauhan <shekhar.chauhan@intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> [mattrope: moved above xehpsdv block for consistency] Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230922155356.583595-1-shekhar.chauhan@intel.com
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_gt_regs.h1
-rw-r--r--drivers/gpu/drm/i915/gt/intel_workarounds.c5
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 9f2a7d103ea5..cca4bac8f8b0 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
@@ -1232,6 +1232,7 @@
#define DISABLE_D8_D16_COASLESCE REG_BIT(30)
#define FORCE_1_SUB_MESSAGE_PER_FRAGMENT REG_BIT(15)
#define LSC_CHICKEN_BIT_0_UDW MCR_REG(0xe7c8 + 4)
+#define UGM_FRAGMENT_THRESHOLD_TO_3 REG_BIT(58 - 32)
#define DIS_CHAIN_2XSIMD8 REG_BIT(55 - 32)
#define FORCE_SLM_FENCE_SCOPE_TO_TILE REG_BIT(42 - 32)
#define FORCE_UGM_FENCE_SCOPE_TO_TILE REG_BIT(41 - 32)
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index fcde2e1562ab..0ddddccc4354 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -2941,6 +2941,11 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li
true);
}
+ if (IS_DG2_G10(i915) || IS_DG2_G12(i915)) {
+ /* Wa_18028616096 */
+ wa_mcr_write_or(wal, LSC_CHICKEN_BIT_0_UDW, UGM_FRAGMENT_THRESHOLD_TO_3);
+ }
+
if (IS_XEHPSDV(i915)) {
/* Wa_1409954639 */
wa_mcr_masked_en(wal,