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drm/i915/icl: Gen11 forcewake support
The main difference with previous GENs is that starting from Gen11
each VCS and VECS engine has its own power well, which only exist
if the related engine exists in the HW.
The fallback forcewake request workaround is only needed on gen9
according to the HSDES WA entry (1604254524), so we can go back to using
the simpler fw_domains_get/put functions.
BSpec: 18331
v2: fix fwtable, use array to test shadow tables, create new
accessors to avoid check on every access (Tvrtko)
v3 (from Paulo): Rebase.
v4:
- Range 09400-097FF should be FORCEWAKE_ALL (Daniele)
- Use the BIT macro for forcewake domains (Daniele)
- Add a comment about the range ordering (Oscar)
- Updated commit message (Oscar)
v5: Rebased
v6: Use I915_MAX_VCS/VECS (Michal)
v7: translate FORCEWAKE_ALL to available domains
v8: rebase, add clarification on fallback ack in commit message.
v9: fix rebase issue, change check in fw_domains_init from IS_GEN11
to GEN >= 11
v10: Generate is_genX_shadowed with a macro (Daniele)
Include gen11_fw_ranges in the selftest (Michel)
v11: Simplify FORCEWAKE_ALL, new line between NEEDS_FORCEWAKEs (Tvrtko)
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Acked-by: Michel Thierry <michel.thierry@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180302161501.28594-6-mika.kuoppala@linux.intel.com
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
This commit is contained in:
Daniele Ceraolo Spurio
Mika Kuoppala
parent
fd034c77b5
commit
a89a70a8b5
@ -7998,9 +7998,13 @@ enum {
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#define VLV_GTLC_PW_RENDER_STATUS_MASK (1 << 7)
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#define FORCEWAKE_MT _MMIO(0xa188) /* multi-threaded */
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#define FORCEWAKE_MEDIA_GEN9 _MMIO(0xa270)
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#define FORCEWAKE_MEDIA_VDBOX_GEN11(n) _MMIO(0xa540 + (n) * 4)
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#define FORCEWAKE_MEDIA_VEBOX_GEN11(n) _MMIO(0xa560 + (n) * 4)
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#define FORCEWAKE_RENDER_GEN9 _MMIO(0xa278)
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#define FORCEWAKE_BLITTER_GEN9 _MMIO(0xa188)
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#define FORCEWAKE_ACK_MEDIA_GEN9 _MMIO(0x0D88)
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#define FORCEWAKE_ACK_MEDIA_VDBOX_GEN11(n) _MMIO(0x0D50 + (n) * 4)
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#define FORCEWAKE_ACK_MEDIA_VEBOX_GEN11(n) _MMIO(0x0D70 + (n) * 4)
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#define FORCEWAKE_ACK_RENDER_GEN9 _MMIO(0x0D84)
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#define FORCEWAKE_ACK_BLITTER_GEN9 _MMIO(0x130044)
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#define FORCEWAKE_KERNEL BIT(0)
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@ -37,6 +37,12 @@ static const char * const forcewake_domain_names[] = {
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"render",
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"blitter",
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"media",
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"vdbox0",
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"vdbox1",
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"vdbox2",
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"vdbox3",
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"vebox0",
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"vebox1",
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};
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const char *
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@ -774,6 +780,9 @@ void assert_forcewakes_active(struct drm_i915_private *dev_priv,
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/* We give fast paths for the really cool registers */
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#define NEEDS_FORCE_WAKE(reg) ((reg) < 0x40000)
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#define GEN11_NEEDS_FORCE_WAKE(reg) \
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((reg) < 0x40000 || ((reg) >= 0x1c0000 && (reg) < 0x1dc000))
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#define __gen6_reg_read_fw_domains(offset) \
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({ \
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enum forcewake_domains __fwd; \
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@ -826,6 +835,14 @@ find_fw_domain(struct drm_i915_private *dev_priv, u32 offset)
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if (!entry)
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return 0;
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/*
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* The list of FW domains depends on the SKU in gen11+ so we
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* can't determine it statically. We use FORCEWAKE_ALL and
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* translate it here to the list of available domains.
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*/
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if (entry->domains == FORCEWAKE_ALL)
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return dev_priv->uncore.fw_domains;
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WARN(entry->domains & ~dev_priv->uncore.fw_domains,
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"Uninitialized forcewake domain(s) 0x%x accessed at 0x%x\n",
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entry->domains & ~dev_priv->uncore.fw_domains, offset);
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@ -860,6 +877,14 @@ static const struct intel_forcewake_range __vlv_fw_ranges[] = {
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__fwd; \
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})
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#define __gen11_fwtable_reg_read_fw_domains(offset) \
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({ \
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enum forcewake_domains __fwd = 0; \
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if (GEN11_NEEDS_FORCE_WAKE((offset))) \
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__fwd = find_fw_domain(dev_priv, offset); \
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__fwd; \
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})
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/* *Must* be sorted by offset! See intel_shadow_table_check(). */
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static const i915_reg_t gen8_shadowed_regs[] = {
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RING_TAIL(RENDER_RING_BASE), /* 0x2000 (base) */
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@ -871,6 +896,20 @@ static const i915_reg_t gen8_shadowed_regs[] = {
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/* TODO: Other registers are not yet used */
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};
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static const i915_reg_t gen11_shadowed_regs[] = {
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RING_TAIL(RENDER_RING_BASE), /* 0x2000 (base) */
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GEN6_RPNSWREQ, /* 0xA008 */
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GEN6_RC_VIDEO_FREQ, /* 0xA00C */
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RING_TAIL(BLT_RING_BASE), /* 0x22000 (base) */
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RING_TAIL(GEN11_BSD_RING_BASE), /* 0x1C0000 (base) */
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RING_TAIL(GEN11_BSD2_RING_BASE), /* 0x1C4000 (base) */
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RING_TAIL(GEN11_VEBOX_RING_BASE), /* 0x1C8000 (base) */
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RING_TAIL(GEN11_BSD3_RING_BASE), /* 0x1D0000 (base) */
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RING_TAIL(GEN11_BSD4_RING_BASE), /* 0x1D4000 (base) */
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RING_TAIL(GEN11_VEBOX2_RING_BASE), /* 0x1D8000 (base) */
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/* TODO: Other registers are not yet used */
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};
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static int mmio_reg_cmp(u32 key, const i915_reg_t *reg)
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{
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u32 offset = i915_mmio_reg_offset(*reg);
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@ -883,14 +922,17 @@ static int mmio_reg_cmp(u32 key, const i915_reg_t *reg)
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return 0;
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}
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static bool is_gen8_shadowed(u32 offset)
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{
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const i915_reg_t *regs = gen8_shadowed_regs;
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return BSEARCH(offset, regs, ARRAY_SIZE(gen8_shadowed_regs),
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mmio_reg_cmp);
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#define __is_genX_shadowed(x) \
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static bool is_gen##x##_shadowed(u32 offset) \
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{ \
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const i915_reg_t *regs = gen##x##_shadowed_regs; \
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return BSEARCH(offset, regs, ARRAY_SIZE(gen##x##_shadowed_regs), \
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mmio_reg_cmp); \
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}
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__is_genX_shadowed(8)
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__is_genX_shadowed(11)
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#define __gen8_reg_write_fw_domains(offset) \
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({ \
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enum forcewake_domains __fwd; \
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@ -929,6 +971,14 @@ static const struct intel_forcewake_range __chv_fw_ranges[] = {
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__fwd; \
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})
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#define __gen11_fwtable_reg_write_fw_domains(offset) \
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({ \
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enum forcewake_domains __fwd = 0; \
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if (GEN11_NEEDS_FORCE_WAKE((offset)) && !is_gen11_shadowed(offset)) \
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__fwd = find_fw_domain(dev_priv, offset); \
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__fwd; \
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})
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/* *Must* be sorted by offset ranges! See intel_fw_table_check(). */
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static const struct intel_forcewake_range __gen9_fw_ranges[] = {
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GEN_FW_RANGE(0x0, 0xaff, FORCEWAKE_BLITTER),
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@ -965,6 +1015,40 @@ static const struct intel_forcewake_range __gen9_fw_ranges[] = {
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GEN_FW_RANGE(0x30000, 0x3ffff, FORCEWAKE_MEDIA),
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};
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/* *Must* be sorted by offset ranges! See intel_fw_table_check(). */
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static const struct intel_forcewake_range __gen11_fw_ranges[] = {
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GEN_FW_RANGE(0x0, 0xaff, FORCEWAKE_BLITTER),
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GEN_FW_RANGE(0xb00, 0x1fff, 0), /* uncore range */
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GEN_FW_RANGE(0x2000, 0x26ff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x2700, 0x2fff, FORCEWAKE_BLITTER),
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GEN_FW_RANGE(0x3000, 0x3fff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x4000, 0x51ff, FORCEWAKE_BLITTER),
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GEN_FW_RANGE(0x5200, 0x7fff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x8000, 0x813f, FORCEWAKE_BLITTER),
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GEN_FW_RANGE(0x8140, 0x815f, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x8160, 0x82ff, FORCEWAKE_BLITTER),
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GEN_FW_RANGE(0x8300, 0x84ff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x8500, 0x8bff, FORCEWAKE_BLITTER),
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GEN_FW_RANGE(0x8c00, 0x8cff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x8d00, 0x93ff, FORCEWAKE_BLITTER),
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GEN_FW_RANGE(0x9400, 0x97ff, FORCEWAKE_ALL),
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GEN_FW_RANGE(0x9800, 0xafff, FORCEWAKE_BLITTER),
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GEN_FW_RANGE(0xb000, 0xb47f, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0xb480, 0xdfff, FORCEWAKE_BLITTER),
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GEN_FW_RANGE(0xe000, 0xe8ff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0xe900, 0x243ff, FORCEWAKE_BLITTER),
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GEN_FW_RANGE(0x24400, 0x247ff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x24800, 0x3ffff, FORCEWAKE_BLITTER),
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GEN_FW_RANGE(0x40000, 0x1bffff, 0),
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GEN_FW_RANGE(0x1c0000, 0x1c3fff, FORCEWAKE_MEDIA_VDBOX0),
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GEN_FW_RANGE(0x1c4000, 0x1c7fff, FORCEWAKE_MEDIA_VDBOX1),
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GEN_FW_RANGE(0x1c8000, 0x1cbfff, FORCEWAKE_MEDIA_VEBOX0),
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GEN_FW_RANGE(0x1cc000, 0x1cffff, FORCEWAKE_BLITTER),
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GEN_FW_RANGE(0x1d0000, 0x1d3fff, FORCEWAKE_MEDIA_VDBOX2),
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GEN_FW_RANGE(0x1d4000, 0x1d7fff, FORCEWAKE_MEDIA_VDBOX3),
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GEN_FW_RANGE(0x1d8000, 0x1dbfff, FORCEWAKE_MEDIA_VEBOX1)
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};
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static void
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ilk_dummy_write(struct drm_i915_private *dev_priv)
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{
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@ -1095,7 +1179,12 @@ func##_read##x(struct drm_i915_private *dev_priv, i915_reg_t reg, bool trace) {
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}
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#define __gen6_read(x) __gen_read(gen6, x)
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#define __fwtable_read(x) __gen_read(fwtable, x)
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#define __gen11_fwtable_read(x) __gen_read(gen11_fwtable, x)
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__gen11_fwtable_read(8)
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__gen11_fwtable_read(16)
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__gen11_fwtable_read(32)
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__gen11_fwtable_read(64)
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__fwtable_read(8)
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__fwtable_read(16)
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__fwtable_read(32)
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@ -1105,6 +1194,7 @@ __gen6_read(16)
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__gen6_read(32)
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__gen6_read(64)
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#undef __gen11_fwtable_read
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#undef __fwtable_read
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#undef __gen6_read
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#undef GEN6_READ_FOOTER
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@ -1181,7 +1271,11 @@ func##_write##x(struct drm_i915_private *dev_priv, i915_reg_t reg, u##x val, boo
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}
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#define __gen8_write(x) __gen_write(gen8, x)
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#define __fwtable_write(x) __gen_write(fwtable, x)
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#define __gen11_fwtable_write(x) __gen_write(gen11_fwtable, x)
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__gen11_fwtable_write(8)
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__gen11_fwtable_write(16)
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__gen11_fwtable_write(32)
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__fwtable_write(8)
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__fwtable_write(16)
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__fwtable_write(32)
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@ -1192,6 +1286,7 @@ __gen6_write(8)
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__gen6_write(16)
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__gen6_write(32)
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#undef __gen11_fwtable_write
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#undef __fwtable_write
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#undef __gen8_write
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#undef __gen6_write
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@ -1240,6 +1335,13 @@ static void fw_domain_init(struct drm_i915_private *dev_priv,
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BUILD_BUG_ON(FORCEWAKE_RENDER != (1 << FW_DOMAIN_ID_RENDER));
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BUILD_BUG_ON(FORCEWAKE_BLITTER != (1 << FW_DOMAIN_ID_BLITTER));
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BUILD_BUG_ON(FORCEWAKE_MEDIA != (1 << FW_DOMAIN_ID_MEDIA));
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BUILD_BUG_ON(FORCEWAKE_MEDIA_VDBOX0 != (1 << FW_DOMAIN_ID_MEDIA_VDBOX0));
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BUILD_BUG_ON(FORCEWAKE_MEDIA_VDBOX1 != (1 << FW_DOMAIN_ID_MEDIA_VDBOX1));
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BUILD_BUG_ON(FORCEWAKE_MEDIA_VDBOX2 != (1 << FW_DOMAIN_ID_MEDIA_VDBOX2));
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BUILD_BUG_ON(FORCEWAKE_MEDIA_VDBOX3 != (1 << FW_DOMAIN_ID_MEDIA_VDBOX3));
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BUILD_BUG_ON(FORCEWAKE_MEDIA_VEBOX0 != (1 << FW_DOMAIN_ID_MEDIA_VEBOX0));
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BUILD_BUG_ON(FORCEWAKE_MEDIA_VEBOX1 != (1 << FW_DOMAIN_ID_MEDIA_VEBOX1));
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d->mask = BIT(domain_id);
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@ -1267,7 +1369,34 @@ static void intel_uncore_fw_domains_init(struct drm_i915_private *dev_priv)
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dev_priv->uncore.fw_clear = _MASKED_BIT_DISABLE(FORCEWAKE_KERNEL);
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}
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if (INTEL_GEN(dev_priv) >= 9) {
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if (INTEL_GEN(dev_priv) >= 11) {
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int i;
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dev_priv->uncore.funcs.force_wake_get = fw_domains_get;
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dev_priv->uncore.funcs.force_wake_put = fw_domains_put;
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fw_domain_init(dev_priv, FW_DOMAIN_ID_RENDER,
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FORCEWAKE_RENDER_GEN9,
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FORCEWAKE_ACK_RENDER_GEN9);
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fw_domain_init(dev_priv, FW_DOMAIN_ID_BLITTER,
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FORCEWAKE_BLITTER_GEN9,
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FORCEWAKE_ACK_BLITTER_GEN9);
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for (i = 0; i < I915_MAX_VCS; i++) {
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if (!HAS_ENGINE(dev_priv, _VCS(i)))
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continue;
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fw_domain_init(dev_priv, FW_DOMAIN_ID_MEDIA_VDBOX0 + i,
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FORCEWAKE_MEDIA_VDBOX_GEN11(i),
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FORCEWAKE_ACK_MEDIA_VDBOX_GEN11(i));
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}
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for (i = 0; i < I915_MAX_VECS; i++) {
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if (!HAS_ENGINE(dev_priv, _VECS(i)))
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continue;
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fw_domain_init(dev_priv, FW_DOMAIN_ID_MEDIA_VEBOX0 + i,
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FORCEWAKE_MEDIA_VEBOX_GEN11(i),
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FORCEWAKE_ACK_MEDIA_VEBOX_GEN11(i));
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}
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} else if (IS_GEN9(dev_priv) || IS_GEN10(dev_priv)) {
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dev_priv->uncore.funcs.force_wake_get =
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fw_domains_get_with_fallback;
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dev_priv->uncore.funcs.force_wake_put = fw_domains_put;
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@ -1422,10 +1551,14 @@ void intel_uncore_init(struct drm_i915_private *dev_priv)
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ASSIGN_WRITE_MMIO_VFUNCS(dev_priv, gen8);
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ASSIGN_READ_MMIO_VFUNCS(dev_priv, gen6);
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}
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} else {
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} else if (IS_GEN(dev_priv, 9, 10)) {
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ASSIGN_FW_DOMAINS_TABLE(__gen9_fw_ranges);
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ASSIGN_WRITE_MMIO_VFUNCS(dev_priv, fwtable);
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ASSIGN_READ_MMIO_VFUNCS(dev_priv, fwtable);
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} else {
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ASSIGN_FW_DOMAINS_TABLE(__gen11_fw_ranges);
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ASSIGN_WRITE_MMIO_VFUNCS(dev_priv, gen11_fwtable);
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ASSIGN_READ_MMIO_VFUNCS(dev_priv, gen11_fwtable);
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}
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iosf_mbi_register_pmic_bus_access_notifier(
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@ -1994,7 +2127,9 @@ intel_uncore_forcewake_for_read(struct drm_i915_private *dev_priv,
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u32 offset = i915_mmio_reg_offset(reg);
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enum forcewake_domains fw_domains;
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if (HAS_FWTABLE(dev_priv)) {
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if (INTEL_GEN(dev_priv) >= 11) {
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fw_domains = __gen11_fwtable_reg_read_fw_domains(offset);
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} else if (HAS_FWTABLE(dev_priv)) {
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fw_domains = __fwtable_reg_read_fw_domains(offset);
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} else if (INTEL_GEN(dev_priv) >= 6) {
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fw_domains = __gen6_reg_read_fw_domains(offset);
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@ -2015,7 +2150,9 @@ intel_uncore_forcewake_for_write(struct drm_i915_private *dev_priv,
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u32 offset = i915_mmio_reg_offset(reg);
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enum forcewake_domains fw_domains;
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if (HAS_FWTABLE(dev_priv) && !IS_VALLEYVIEW(dev_priv)) {
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if (INTEL_GEN(dev_priv) >= 11) {
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fw_domains = __gen11_fwtable_reg_write_fw_domains(offset);
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} else if (HAS_FWTABLE(dev_priv) && !IS_VALLEYVIEW(dev_priv)) {
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fw_domains = __fwtable_reg_write_fw_domains(offset);
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} else if (IS_GEN8(dev_priv)) {
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fw_domains = __gen8_reg_write_fw_domains(offset);
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@ -37,17 +37,28 @@ enum forcewake_domain_id {
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FW_DOMAIN_ID_RENDER = 0,
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FW_DOMAIN_ID_BLITTER,
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FW_DOMAIN_ID_MEDIA,
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FW_DOMAIN_ID_MEDIA_VDBOX0,
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FW_DOMAIN_ID_MEDIA_VDBOX1,
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FW_DOMAIN_ID_MEDIA_VDBOX2,
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FW_DOMAIN_ID_MEDIA_VDBOX3,
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FW_DOMAIN_ID_MEDIA_VEBOX0,
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FW_DOMAIN_ID_MEDIA_VEBOX1,
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|
||||
FW_DOMAIN_ID_COUNT
|
||||
};
|
||||
|
||||
enum forcewake_domains {
|
||||
FORCEWAKE_RENDER = BIT(FW_DOMAIN_ID_RENDER),
|
||||
FORCEWAKE_BLITTER = BIT(FW_DOMAIN_ID_BLITTER),
|
||||
FORCEWAKE_MEDIA = BIT(FW_DOMAIN_ID_MEDIA),
|
||||
FORCEWAKE_ALL = (FORCEWAKE_RENDER |
|
||||
FORCEWAKE_BLITTER |
|
||||
FORCEWAKE_MEDIA)
|
||||
FORCEWAKE_RENDER = BIT(FW_DOMAIN_ID_RENDER),
|
||||
FORCEWAKE_BLITTER = BIT(FW_DOMAIN_ID_BLITTER),
|
||||
FORCEWAKE_MEDIA = BIT(FW_DOMAIN_ID_MEDIA),
|
||||
FORCEWAKE_MEDIA_VDBOX0 = BIT(FW_DOMAIN_ID_MEDIA_VDBOX0),
|
||||
FORCEWAKE_MEDIA_VDBOX1 = BIT(FW_DOMAIN_ID_MEDIA_VDBOX1),
|
||||
FORCEWAKE_MEDIA_VDBOX2 = BIT(FW_DOMAIN_ID_MEDIA_VDBOX2),
|
||||
FORCEWAKE_MEDIA_VDBOX3 = BIT(FW_DOMAIN_ID_MEDIA_VDBOX3),
|
||||
FORCEWAKE_MEDIA_VEBOX0 = BIT(FW_DOMAIN_ID_MEDIA_VEBOX0),
|
||||
FORCEWAKE_MEDIA_VEBOX1 = BIT(FW_DOMAIN_ID_MEDIA_VEBOX1),
|
||||
|
||||
FORCEWAKE_ALL = BIT(FW_DOMAIN_ID_COUNT) - 1
|
||||
};
|
||||
|
||||
struct intel_uncore_funcs {
|
||||
|
||||
@ -61,20 +61,30 @@ static int intel_fw_table_check(const struct intel_forcewake_range *ranges,
|
||||
|
||||
static int intel_shadow_table_check(void)
|
||||
{
|
||||
const i915_reg_t *reg = gen8_shadowed_regs;
|
||||
unsigned int i;
|
||||
struct {
|
||||
const i915_reg_t *regs;
|
||||
unsigned int size;
|
||||
} reg_lists[] = {
|
||||
{ gen8_shadowed_regs, ARRAY_SIZE(gen8_shadowed_regs) },
|
||||
{ gen11_shadowed_regs, ARRAY_SIZE(gen11_shadowed_regs) },
|
||||
};
|
||||
const i915_reg_t *reg;
|
||||
unsigned int i, j;
|
||||
s32 prev;
|
||||
|
||||
for (i = 0, prev = -1; i < ARRAY_SIZE(gen8_shadowed_regs); i++, reg++) {
|
||||
u32 offset = i915_mmio_reg_offset(*reg);
|
||||
for (j = 0; j < ARRAY_SIZE(reg_lists); ++j) {
|
||||
reg = reg_lists[j].regs;
|
||||
for (i = 0, prev = -1; i < reg_lists[j].size; i++, reg++) {
|
||||
u32 offset = i915_mmio_reg_offset(*reg);
|
||||
|
||||
if (prev >= (s32)offset) {
|
||||
pr_err("%s: entry[%d]:(%x) is before previous (%x)\n",
|
||||
__func__, i, offset, prev);
|
||||
return -EINVAL;
|
||||
if (prev >= (s32)offset) {
|
||||
pr_err("%s: entry[%d]:(%x) is before previous (%x)\n",
|
||||
__func__, i, offset, prev);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
prev = offset;
|
||||
}
|
||||
|
||||
prev = offset;
|
||||
}
|
||||
|
||||
return 0;
|
||||
@ -90,6 +100,7 @@ int intel_uncore_mock_selftests(void)
|
||||
{ __vlv_fw_ranges, ARRAY_SIZE(__vlv_fw_ranges), false },
|
||||
{ __chv_fw_ranges, ARRAY_SIZE(__chv_fw_ranges), false },
|
||||
{ __gen9_fw_ranges, ARRAY_SIZE(__gen9_fw_ranges), true },
|
||||
{ __gen11_fw_ranges, ARRAY_SIZE(__gen11_fw_ranges), true },
|
||||
};
|
||||
int err, i;
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user