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authorDave Airlie <airlied@redhat.com>2020-02-27 08:59:19 +1000
committerDave Airlie <airlied@redhat.com>2020-02-27 09:00:25 +1000
commit4825b61a3d39eceef7db723808103aa60fc24520 (patch)
tree87e1a754aef38ef088a5ec8e1613790c5a17c078 /drivers/gpu/drm/i915/gt/intel_workarounds.c
parentaaa9d265a21e7c4fcec12b1203cbfa516277e4ad (diff)
parent53e3ca6749186b5c147964bddc4eb47ba8b5f69e (diff)
downloadlinux-4825b61a3d39eceef7db723808103aa60fc24520.tar.bz2
Merge tag 'drm-intel-next-2020-02-25' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
- A backmerge of drm-next solving conflicts on i915/gt/intel_lrc.c - Clean up shadow batch after I915_EXEC_SECURE - Drop assertion that active->fence is unchanged Here goes drm-intel-next-2020-02-25: - A backmerge of drm-next solving conflicts on i915/gt/intel_lrc.c - Clean up shadow batch after I915_EXEC_SECURE - Drop assertion that active->fence is unchanged drm-intel-next-2020-02-24-1: - RC6 fixes - Chris - Add extra slice common debug register - Lionel - Align virtual engines uabi_class/instance with i915_drm.h - Tvrtko - Avoid potential division by zero in computing CS timestamp - Chris - Avoid using various globals - Michal Winiarski, Matt Auld - Break up long lists of GEM object reclaim - Chris - Check that the vma hasn't been closed before we insert it - Chris - Consolidate SDVO HDMI force_dvi handling - Ville - Conversion to new logging and warn macros and functions - Pankaj, Wambul, Chris - DC3CO fixes - Jose - Disable use of hwsp_cacheline for kernel_context - Chris - Display IRQ pre/post uninstall refactor - Jani - Display port sync refactor for robustness and fixes - Ville, Manasi - Do not attempt to reprogram IA/ring frequencies for dgfx - Chris - Drop alpha_support for good in favor of force_probe - Jani - DSI ACPI related fixes and refactors - Vivek, Jani, Rajat - Encoder refactor for flexibility to add more information, especiallly DSI related - Jani, Vandita - Engine workarounds refactor for robustness around resue - Daniele - FBC simplification and tracepoints - Various fixes for build - Jani, Kees Cook, Chris, Zhang Xiaoxu - Fix cmdparser - Chris - Fix DRM_I915_GEM_MMAP_OFFFSET - Chris - Fix i915_request flags - Chris - Fix inconsistency between pfit enable and scaler freeing - Stanislav - Fix inverted warn_on on display code - Chris - Fix modeset locks in sanitize_watermarks - Ville - Fix OA context id overlap with idle context id - Umesh - Fix pipe and vblank enable for MST - Jani - Fix VBT handling for timing parameters - Vandita - Fixes o kernel doc - Chris, Ville - Force full modeset whenever DSC is enabled at probe - Jani - Various GEM locking simplification and fixes - Jani , Chris, Jose - Including some changes in preparation for making GEM execbuf parallel - Chris - Gen11 pcode error codes - Matt Roper - Gen8+ interrupt handler refactor - Chris - Many fixes and improvements around GuC code - Daniele, Michal Wajdeczko - i915 parameters improvements sfor flexible input and better debugability - Chris, Jani - Ice Lake and Elkhart Lake Fixes and workarounds - Matt Roper, Jose, Vivek, Matt Atwood - Improvements on execlists, requests and other areas, fixing hangs and also improving hang detection, recover and debugability - Chris - Also introducing offline GT error capture - Chris - Introduce encoder->compute_config_late() to help MST - Ville - Make dbuf configuration const - Jani - Few misc clean ups - Ville, Chris - Never allow userptr into the new mapping types - Janusz - Poison rings after use and GTT scratch pages - Chris - Protect signaler walk with RCU - Chris - PSR fixes - Jose - Pull sseu context updates under gt - Chris - Read rawclk_freq earlier - Chris - Refactor around VBT handling to allow geting information through the encoder - Jani - Refactor l3cc/mocs availability - Chris - Refactor to use intel_connector over drm_connector - Ville - Remove i915_energy_uJ from debugfs - Tvrtko - Remove lite restore defines - Mika Kuoppala - Remove prefault_disable modparam - Chris - Many selftests fixes and improvements - Chris - Set intel_dp_set_m_n() for MST slaves - Jose - Simplify hot plug pin handling and other fixes around pin and polled modes - Ville - Skip CPU synchronization on dma-buf attachments - chris - Skip global serialization of clear_range for bxt vtd - Chris - Skip rmw for marked register - Chris - Some other GEM Fixes - Chris - Some small changes for satisfying static code analysis - Colin, Chris - Suppress warnings for unused debugging locals - Tiger Lake enabling, including re-enable -f RPS, workarounds and other display fixes and changes - Chris, Matt Roper, Mika Kuoppala, Anshuman, Jose, Radhakrishna, Rafael. - Track hw reported context runtime - Tvrtko - Update bug filling URL - Jani - Use async bind for PIN_USER into bsw/bxt ggtt - Chris - Use the kernel_context to measuer the breadcrumb size - Chris - Userptr fixes and robustness for big pages - Matt Auld - Various Display refactors and clean-ups, specially around logs and use of drm_i915_private - Jani, Ville - Various display refactors and fixes, especially around cdclk, modeset, and encoder - Chris, Jani - Various eDP/DP fixes around DPCD - Lyude - Various fixes and refactors for better Display watermark handling - Ville, Stanislav - Various other display refactors - Ville - Various refactor for better handling of display plane states - Ville - Wean off drm_pci_alloc/drm_pci_free - Chris - Correctly terminate connector iteration- Ville - Downgrade gen7 (ivb, byt, hsw) back to aliasing-ppgtt - Chris Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200225185853.GA3282832@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_workarounds.c')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_workarounds.c138
1 files changed, 107 insertions, 31 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 4e292d4bf7b9..887e0dc701f7 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -116,17 +116,17 @@ static void _wa_add(struct i915_wa_list *wal, const struct i915_wa *wa)
} else {
wa_ = &wal->list[mid];
- if ((wa->mask & ~wa_->mask) == 0) {
- DRM_ERROR("Discarding overwritten w/a for reg %04x (mask: %08x, value: %08x)\n",
+ if ((wa->clr | wa_->clr) && !(wa->clr & ~wa_->clr)) {
+ DRM_ERROR("Discarding overwritten w/a for reg %04x (clear: %08x, set: %08x)\n",
i915_mmio_reg_offset(wa_->reg),
- wa_->mask, wa_->val);
+ wa_->clr, wa_->set);
- wa_->val &= ~wa->mask;
+ wa_->set &= ~wa->clr;
}
wal->wa_count++;
- wa_->val |= wa->val;
- wa_->mask |= wa->mask;
+ wa_->set |= wa->set;
+ wa_->clr |= wa->clr;
wa_->read |= wa->read;
return;
}
@@ -147,13 +147,13 @@ static void _wa_add(struct i915_wa_list *wal, const struct i915_wa *wa)
}
}
-static void wa_add(struct i915_wa_list *wal, i915_reg_t reg, u32 mask,
- u32 val, u32 read_mask)
+static void wa_add(struct i915_wa_list *wal, i915_reg_t reg,
+ u32 clear, u32 set, u32 read_mask)
{
struct i915_wa wa = {
.reg = reg,
- .mask = mask,
- .val = val,
+ .clr = clear,
+ .set = set,
.read = read_mask,
};
@@ -161,38 +161,43 @@ static void wa_add(struct i915_wa_list *wal, i915_reg_t reg, u32 mask,
}
static void
-wa_write_masked_or(struct i915_wa_list *wal, i915_reg_t reg, u32 mask,
- u32 val)
+wa_write_masked_or(struct i915_wa_list *wal, i915_reg_t reg, u32 clear, u32 set)
{
- wa_add(wal, reg, mask, val, mask);
+ wa_add(wal, reg, clear, set, clear);
}
static void
-wa_masked_en(struct i915_wa_list *wal, i915_reg_t reg, u32 val)
+wa_write(struct i915_wa_list *wal, i915_reg_t reg, u32 set)
+{
+ wa_write_masked_or(wal, reg, ~0, set);
+}
+
+static void
+wa_write_or(struct i915_wa_list *wal, i915_reg_t reg, u32 set)
{
- wa_write_masked_or(wal, reg, val, _MASKED_BIT_ENABLE(val));
+ wa_write_masked_or(wal, reg, set, set);
}
static void
-wa_write(struct i915_wa_list *wal, i915_reg_t reg, u32 val)
+wa_masked_en(struct i915_wa_list *wal, i915_reg_t reg, u32 val)
{
- wa_write_masked_or(wal, reg, ~0, val);
+ wa_add(wal, reg, 0, _MASKED_BIT_ENABLE(val), val);
}
static void
-wa_write_or(struct i915_wa_list *wal, i915_reg_t reg, u32 val)
+wa_masked_dis(struct i915_wa_list *wal, i915_reg_t reg, u32 val)
{
- wa_write_masked_or(wal, reg, val, val);
+ wa_add(wal, reg, 0, _MASKED_BIT_DISABLE(val), val);
}
#define WA_SET_BIT_MASKED(addr, mask) \
- wa_write_masked_or(wal, (addr), (mask), _MASKED_BIT_ENABLE(mask))
+ wa_masked_en(wal, (addr), (mask))
#define WA_CLR_BIT_MASKED(addr, mask) \
- wa_write_masked_or(wal, (addr), (mask), _MASKED_BIT_DISABLE(mask))
+ wa_masked_dis(wal, (addr), (mask))
#define WA_SET_FIELD_MASKED(addr, mask, value) \
- wa_write_masked_or(wal, (addr), (mask), _MASKED_FIELD((mask), (value)))
+ wa_write_masked_or(wal, (addr), 0, _MASKED_FIELD((mask), (value)))
static void gen8_ctx_workarounds_init(struct intel_engine_cs *engine,
struct i915_wa_list *wal)
@@ -662,7 +667,7 @@ int intel_engine_emit_ctx_wa(struct i915_request *rq)
*cs++ = MI_LOAD_REGISTER_IMM(wal->count);
for (i = 0, wa = wal->list; i < wal->count; i++, wa++) {
*cs++ = i915_mmio_reg_offset(wa->reg);
- *cs++ = wa->val;
+ *cs++ = wa->set;
}
*cs++ = MI_NOOP;
@@ -827,7 +832,7 @@ wa_init_mcr(struct drm_i915_private *i915, struct i915_wa_list *wal)
DRM_WARN("No common index found between subslice mask %x and L3 bank mask %x!\n",
intel_sseu_get_subslices(sseu, slice), l3_en);
subslice = fls(l3_en);
- WARN_ON(!subslice);
+ drm_WARN_ON(&i915->drm, !subslice);
}
subslice--;
@@ -991,11 +996,10 @@ wal_get_fw_for_rmw(struct intel_uncore *uncore, const struct i915_wa_list *wal)
static bool
wa_verify(const struct i915_wa *wa, u32 cur, const char *name, const char *from)
{
- if ((cur ^ wa->val) & wa->read) {
- DRM_ERROR("%s workaround lost on %s! (%x=%x/%x, expected %x, mask=%x)\n",
+ if ((cur ^ wa->set) & wa->read) {
+ DRM_ERROR("%s workaround lost on %s! (%x=%x/%x, expected %x)\n",
name, from, i915_mmio_reg_offset(wa->reg),
- cur, cur & wa->read,
- wa->val, wa->mask);
+ cur, cur & wa->read, wa->set);
return false;
}
@@ -1020,7 +1024,10 @@ wa_list_apply(struct intel_uncore *uncore, const struct i915_wa_list *wal)
intel_uncore_forcewake_get__locked(uncore, fw);
for (i = 0, wa = wal->list; i < wal->count; i++, wa++) {
- intel_uncore_rmw_fw(uncore, wa->reg, wa->mask, wa->val);
+ if (wa->clr)
+ intel_uncore_rmw_fw(uncore, wa->reg, wa->clr, wa->set);
+ else
+ intel_uncore_write_fw(uncore, wa->reg, wa->set);
if (IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM))
wa_verify(wa,
intel_uncore_read_fw(uncore, wa->reg),
@@ -1254,6 +1261,9 @@ static void tgl_whitelist_build(struct intel_engine_cs *engine)
whitelist_reg_ext(w, PS_INVOCATION_COUNT,
RING_FORCE_TO_NONPRIV_ACCESS_RD |
RING_FORCE_TO_NONPRIV_RANGE_4);
+
+ /* Wa_1808121037:tgl */
+ whitelist_reg(w, GEN7_COMMON_SLICE_CHICKEN1);
break;
default:
break;
@@ -1345,6 +1355,16 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
wa_write_or(wal,
GEN7_SARCHKMD,
GEN7_DISABLE_SAMPLER_PREFETCH);
+
+ /* Wa_1407928979:tgl */
+ wa_write_or(wal,
+ GEN7_FF_THREAD_MODE,
+ GEN12_FF_TESSELATION_DOP_GATE_DISABLE);
+
+ /* Wa_1606931601:tgl */
+ wa_masked_en(wal,
+ GEN7_ROW_CHICKEN2,
+ GEN12_DISABLE_EARLY_READ);
}
if (IS_GEN(i915, 11)) {
@@ -1457,6 +1477,52 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
GEN8_L3SQCREG4,
GEN8_LQSC_FLUSH_COHERENT_LINES);
}
+
+ if (IS_GEN(i915, 7))
+ /* WaBCSVCSTlbInvalidationMode:ivb,vlv,hsw */
+ wa_masked_en(wal,
+ GFX_MODE_GEN7,
+ GFX_TLB_INVALIDATE_EXPLICIT | GFX_REPLAY_MODE);
+
+ if (IS_GEN_RANGE(i915, 6, 7))
+ /*
+ * We need to disable the AsyncFlip performance optimisations in
+ * order to use MI_WAIT_FOR_EVENT within the CS. It should
+ * already be programmed to '1' on all products.
+ *
+ * WaDisableAsyncFlipPerfMode:snb,ivb,hsw,vlv
+ */
+ wa_masked_en(wal,
+ MI_MODE,
+ ASYNC_FLIP_PERF_DISABLE);
+
+ if (IS_GEN(i915, 6)) {
+ /*
+ * Required for the hardware to program scanline values for
+ * waiting
+ * WaEnableFlushTlbInvalidationMode:snb
+ */
+ wa_masked_en(wal,
+ GFX_MODE,
+ GFX_TLB_INVALIDATE_EXPLICIT);
+
+ /*
+ * From the Sandybridge PRM, volume 1 part 3, page 24:
+ * "If this bit is set, STCunit will have LRA as replacement
+ * policy. [...] This bit must be reset. LRA replacement
+ * policy is not supported."
+ */
+ wa_masked_dis(wal,
+ CACHE_MODE_0,
+ CM0_STC_EVICT_DISABLE_LRA_SNB);
+ }
+
+ if (IS_GEN_RANGE(i915, 4, 6))
+ /* WaTimedSingleVertexDispatch:cl,bw,ctg,elk,ilk,snb */
+ wa_add(wal, MI_MODE,
+ 0, _MASKED_BIT_ENABLE(VS_TIMER_DISPATCH),
+ /* XXX bit doesn't stick on Broadwater */
+ IS_I965G(i915) ? 0 : VS_TIMER_DISPATCH);
}
static void
@@ -1475,7 +1541,7 @@ xcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
static void
engine_init_workarounds(struct intel_engine_cs *engine, struct i915_wa_list *wal)
{
- if (I915_SELFTEST_ONLY(INTEL_GEN(engine->i915) < 8))
+ if (I915_SELFTEST_ONLY(INTEL_GEN(engine->i915) < 4))
return;
if (engine->class == RENDER_CLASS)
@@ -1488,7 +1554,7 @@ void intel_engine_init_workarounds(struct intel_engine_cs *engine)
{
struct i915_wa_list *wal = &engine->wa_list;
- if (INTEL_GEN(engine->i915) < 8)
+ if (INTEL_GEN(engine->i915) < 4)
return;
wa_init_start(wal, "engine", engine->name);
@@ -1612,6 +1678,16 @@ static int engine_wa_list_verify(struct intel_context *ce,
goto err_vma;
}
+ i915_vma_lock(vma);
+ err = i915_request_await_object(rq, vma->obj, true);
+ if (err == 0)
+ err = i915_vma_move_to_active(vma, rq, EXEC_OBJECT_WRITE);
+ i915_vma_unlock(vma);
+ if (err) {
+ i915_request_add(rq);
+ goto err_vma;
+ }
+
err = wa_list_srm(rq, wal, vma);
if (err)
goto err_vma;