summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/i915/gt/intel_workarounds.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_workarounds.c')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_workarounds.c96
1 files changed, 72 insertions, 24 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 192ac0e59..59816dd6f 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -10,6 +10,7 @@
#include "intel_engine_regs.h"
#include "intel_gpu_commands.h"
#include "intel_gt.h"
+#include "intel_gt_ccs_mode.h"
#include "intel_gt_mcr.h"
#include "intel_gt_print.h"
#include "intel_gt_regs.h"
@@ -51,7 +52,8 @@
* registers belonging to BCS, VCS or VECS should be implemented in
* xcs_engine_wa_init(). Workarounds for registers not belonging to a specific
* engine's MMIO range but that are part of of the common RCS/CCS reset domain
- * should be implemented in general_render_compute_wa_init().
+ * should be implemented in general_render_compute_wa_init(). The settings
+ * about the CCS load balancing should be added in ccs_engine_wa_mode().
*
* - GT workarounds: the list of these WAs is applied whenever these registers
* revert to their default values: on GPU reset, suspend/resume [1]_, etc.
@@ -777,6 +779,9 @@ static void dg2_ctx_workarounds_init(struct intel_engine_cs *engine,
/* Wa_18019271663:dg2 */
wa_masked_en(wal, CACHE_MODE_1, MSAA_OPTIMIZATION_REDUC_DISABLE);
+
+ /* Wa_14019877138:dg2 */
+ wa_mcr_masked_en(wal, XEHP_PSS_CHICKEN, FD_END_COLLECT);
}
static void xelpg_ctx_gt_tuning_init(struct intel_engine_cs *engine,
@@ -786,8 +791,13 @@ static void xelpg_ctx_gt_tuning_init(struct intel_engine_cs *engine,
dg2_ctx_gt_tuning_init(engine, wal);
- if (IS_GFX_GT_IP_STEP(gt, IP_VER(12, 70), STEP_B0, STEP_FOREVER) ||
- IS_GFX_GT_IP_STEP(gt, IP_VER(12, 71), STEP_B0, STEP_FOREVER))
+ /*
+ * Due to Wa_16014892111, the DRAW_WATERMARK tuning must be done in
+ * gen12_emit_indirect_ctx_rcs() rather than here on some early
+ * steppings.
+ */
+ if (!(IS_GFX_GT_IP_STEP(gt, IP_VER(12, 70), STEP_A0, STEP_B0) ||
+ IS_GFX_GT_IP_STEP(gt, IP_VER(12, 71), STEP_A0, STEP_B0)))
wa_add(wal, DRAW_WATERMARK, VERT_WM_VAL, 0x3FF, 0, false);
}
@@ -905,7 +915,7 @@ __intel_engine_init_ctx_wa(struct intel_engine_cs *engine,
if (engine->class != RENDER_CLASS)
goto done;
- if (IS_GFX_GT_IP_RANGE(engine->gt, IP_VER(12, 70), IP_VER(12, 71)))
+ if (IS_GFX_GT_IP_RANGE(engine->gt, IP_VER(12, 70), IP_VER(12, 74)))
xelpg_ctx_workarounds_init(engine, wal);
else if (IS_PONTEVECCHIO(i915))
; /* noop; none at this time */
@@ -1640,7 +1650,8 @@ pvc_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
static void
xelpg_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
{
- /* Wa_14018778641 / Wa_18018781329 */
+ /* Wa_14018575942 / Wa_18018781329 */
+ wa_mcr_write_or(wal, RENDER_MOD_CTRL, FORCE_MISS_FTLB);
wa_mcr_write_or(wal, COMP_MOD_CTRL, FORCE_MISS_FTLB);
/* Wa_22016670082 */
@@ -1663,8 +1674,22 @@ xelpg_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
}
static void
+wa_16021867713(struct intel_gt *gt, struct i915_wa_list *wal)
+{
+ struct intel_engine_cs *engine;
+ int id;
+
+ for_each_engine(engine, gt, id)
+ if (engine->class == VIDEO_DECODE_CLASS)
+ wa_write_or(wal, VDBOX_CGCTL3F1C(engine->mmio_base),
+ MFXPIPE_CLKGATE_DIS);
+}
+
+static void
xelpmp_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
{
+ wa_16021867713(gt, wal);
+
/*
* Wa_14018778641
* Wa_18018781329
@@ -1674,6 +1699,9 @@ xelpmp_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
*/
wa_write_or(wal, XELPMP_GSC_MOD_CTRL, FORCE_MISS_FTLB);
+ /* Wa_22016670082 */
+ wa_write_or(wal, GEN12_SQCNT1, GEN12_STRICT_RAR_ENABLE);
+
debug_dump_steering(gt);
}
@@ -1690,7 +1718,7 @@ xelpmp_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
*/
static void gt_tuning_settings(struct intel_gt *gt, struct i915_wa_list *wal)
{
- if (IS_GFX_GT_IP_RANGE(gt, IP_VER(12, 70), IP_VER(12, 71))) {
+ if (IS_GFX_GT_IP_RANGE(gt, IP_VER(12, 70), IP_VER(12, 74))) {
wa_mcr_write_or(wal, XEHP_L3SCQREG7, BLEND_FILL_CACHING_OPT_DIS);
wa_mcr_write_or(wal, XEHP_SQCM, EN_32B_ACCESS);
}
@@ -1723,7 +1751,7 @@ gt_init_workarounds(struct intel_gt *gt, struct i915_wa_list *wal)
return;
}
- if (IS_GFX_GT_IP_RANGE(gt, IP_VER(12, 70), IP_VER(12, 71)))
+ if (IS_GFX_GT_IP_RANGE(gt, IP_VER(12, 70), IP_VER(12, 74)))
xelpg_gt_workarounds_init(gt, wal);
else if (IS_PONTEVECCHIO(i915))
pvc_gt_workarounds_init(gt, wal);
@@ -2196,7 +2224,7 @@ void intel_engine_init_whitelist(struct intel_engine_cs *engine)
if (engine->gt->type == GT_MEDIA)
; /* none yet */
- else if (IS_GFX_GT_IP_RANGE(engine->gt, IP_VER(12, 70), IP_VER(12, 71)))
+ else if (IS_GFX_GT_IP_RANGE(engine->gt, IP_VER(12, 70), IP_VER(12, 74)))
xelpg_whitelist_build(engine);
else if (IS_PONTEVECCHIO(i915))
pvc_whitelist_build(engine);
@@ -2340,14 +2368,6 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
0, true);
}
- if (IS_DG2_G11(i915) || IS_DG2_G10(i915)) {
- /* Wa_22014600077:dg2 */
- wa_mcr_add(wal, GEN10_CACHE_MODE_SS, 0,
- _MASKED_BIT_ENABLE(ENABLE_EU_COUNT_FOR_TDL_FLUSH),
- 0 /* Wa_14012342262 write-only reg, so skip verification */,
- true);
- }
-
if (IS_DG2(i915) || IS_ALDERLAKE_P(i915) || IS_ALDERLAKE_S(i915) ||
IS_DG1(i915) || IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915)) {
/*
@@ -2782,6 +2802,11 @@ xcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
RING_SEMA_WAIT_POLL(engine->mmio_base),
1);
}
+ /* Wa_16018031267, Wa_16018063123 */
+ if (NEEDS_FASTCOLOR_BLT_WABB(engine))
+ wa_masked_field_set(wal, ECOSKPD(engine->mmio_base),
+ XEHP_BLITTER_SCHEDULING_MODE_MASK,
+ XEHP_BLITTER_ROUND_ROBIN_MODE);
}
static void
@@ -2811,7 +2836,7 @@ add_render_compute_tuning_settings(struct intel_gt *gt,
{
struct drm_i915_private *i915 = gt->i915;
- if (IS_GFX_GT_IP_RANGE(gt, IP_VER(12, 70), IP_VER(12, 71)) || IS_DG2(i915))
+ if (IS_GFX_GT_IP_RANGE(gt, IP_VER(12, 70), IP_VER(12, 74)) || IS_DG2(i915))
wa_mcr_write_clr_set(wal, RT_CTRL, STACKID_CTRL, STACKID_CTRL_512);
/*
@@ -2827,6 +2852,28 @@ add_render_compute_tuning_settings(struct intel_gt *gt,
wa_write_clr(wal, GEN8_GARBCNTL, GEN12_BUS_HASH_CTL_BIT_EXC);
}
+static void ccs_engine_wa_mode(struct intel_engine_cs *engine, struct i915_wa_list *wal)
+{
+ struct intel_gt *gt = engine->gt;
+
+ if (!IS_DG2(gt->i915))
+ return;
+
+ /*
+ * Wa_14019159160: This workaround, along with others, leads to
+ * significant challenges in utilizing load balancing among the
+ * CCS slices. Consequently, an architectural decision has been
+ * made to completely disable automatic CCS load balancing.
+ */
+ wa_masked_en(wal, GEN12_RCU_MODE, XEHP_RCU_MODE_FIXED_SLICE_CCS_MODE);
+
+ /*
+ * After having disabled automatic load balancing we need to
+ * assign all slices to a single CCS. We will call it CCS mode 1
+ */
+ intel_gt_apply_ccs_mode(gt);
+}
+
/*
* The workarounds in this function apply to shared registers in
* the general render reset domain that aren't tied to a
@@ -2864,7 +2911,8 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li
}
if (IS_GFX_GT_IP_STEP(gt, IP_VER(12, 70), STEP_B0, STEP_FOREVER) ||
- IS_GFX_GT_IP_STEP(gt, IP_VER(12, 71), STEP_B0, STEP_FOREVER))
+ IS_GFX_GT_IP_STEP(gt, IP_VER(12, 71), STEP_B0, STEP_FOREVER) ||
+ IS_GFX_GT_IP_RANGE(gt, IP_VER(12, 74), IP_VER(12, 74)))
/* Wa_14017856879 */
wa_mcr_masked_en(wal, GEN9_ROW_CHICKEN3, MTL_DISABLE_FIX_FOR_EOT_FLUSH);
@@ -2915,6 +2963,9 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li
* Wa_22015475538:dg2
*/
wa_mcr_write_or(wal, LSC_CHICKEN_BIT_0_UDW, DIS_CHAIN_2XSIMD8);
+
+ /* Wa_18028616096 */
+ wa_mcr_write_or(wal, LSC_CHICKEN_BIT_0_UDW, UGM_FRAGMENT_THRESHOLD_TO_3);
}
if (IS_DG2_G11(i915)) {
@@ -2943,11 +2994,6 @@ 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,
@@ -2978,8 +3024,10 @@ engine_init_workarounds(struct intel_engine_cs *engine, struct i915_wa_list *wal
* to a single RCS/CCS engine's workaround list since
* they're reset as part of the general render domain reset.
*/
- if (engine->flags & I915_ENGINE_FIRST_RENDER_COMPUTE)
+ if (engine->flags & I915_ENGINE_FIRST_RENDER_COMPUTE) {
general_render_compute_wa_init(engine, wal);
+ ccs_engine_wa_mode(engine, wal);
+ }
if (engine->class == COMPUTE_CLASS)
ccs_engine_wa_init(engine, wal);
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-02 03:59:37 +0000