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drm/i915/tgl: Introduce gen12 forcewake ranges
The media ranges extend beyond what gen11 gives so we can't piggypack on gen11 ranges, even on read side. Introduce a table for gen12 and accessors for it. v2: correctly implement gen12_fwtable_write/read (Daniele) v3: update with ranges from bspec. v4: avoid GEN11_NEEDS_FORCEWAKE (Mika) v5: bspec ref (Daniele) BSpec: 52078 Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Michel Thierry <michel.thierry@intel.com> Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190913141652.27958-2-mika.kuoppala@linux.intel.com
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c9f8d18710
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2 changed files with 76 additions and 1 deletions
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@ -902,6 +902,9 @@ static const struct intel_forcewake_range __vlv_fw_ranges[] = {
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#define __gen11_fwtable_reg_read_fw_domains(uncore, offset) \
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find_fw_domain(uncore, offset)
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#define __gen12_fwtable_reg_read_fw_domains(uncore, offset) \
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find_fw_domain(uncore, offset)
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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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@ -927,6 +930,20 @@ static const i915_reg_t gen11_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 gen12_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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@ -949,6 +966,7 @@ static bool is_gen##x##_shadowed(u32 offset) \
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__is_genX_shadowed(8)
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__is_genX_shadowed(11)
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__is_genX_shadowed(12)
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static enum forcewake_domains
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gen6_reg_write_fw_domains(struct intel_uncore *uncore, i915_reg_t reg)
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@ -1003,6 +1021,15 @@ static const struct intel_forcewake_range __chv_fw_ranges[] = {
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__fwd; \
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})
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#define __gen12_fwtable_reg_write_fw_domains(uncore, offset) \
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({ \
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enum forcewake_domains __fwd = 0; \
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const u32 __offset = (offset); \
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if (!is_gen12_shadowed(__offset)) \
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__fwd = find_fw_domain(uncore, __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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@ -1075,6 +1102,46 @@ static const struct intel_forcewake_range __gen11_fw_ranges[] = {
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GEN_FW_RANGE(0x1d8000, 0x1dbfff, FORCEWAKE_MEDIA_VEBOX1)
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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 __gen12_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, 0x147ff, FORCEWAKE_BLITTER),
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GEN_FW_RANGE(0x14800, 0x148ff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x14900, 0x19fff, FORCEWAKE_BLITTER),
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GEN_FW_RANGE(0x1a000, 0x1a7ff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x1a800, 0x1afff, FORCEWAKE_BLITTER),
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GEN_FW_RANGE(0x1b000, 0x1bfff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x1c000, 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 intel_uncore *uncore)
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{
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@ -1223,6 +1290,7 @@ __gen_read(func, 16) \
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__gen_read(func, 32) \
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__gen_read(func, 64)
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__gen_reg_read_funcs(gen12_fwtable);
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__gen_reg_read_funcs(gen11_fwtable);
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__gen_reg_read_funcs(fwtable);
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__gen_reg_read_funcs(gen6);
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@ -1314,6 +1382,7 @@ __gen_write(func, 8) \
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__gen_write(func, 16) \
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__gen_write(func, 32)
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__gen_reg_write_funcs(gen12_fwtable);
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__gen_reg_write_funcs(gen11_fwtable);
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__gen_reg_write_funcs(fwtable);
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__gen_reg_write_funcs(gen8);
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@ -1685,10 +1754,14 @@ static int uncore_forcewake_init(struct intel_uncore *uncore)
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ASSIGN_FW_DOMAINS_TABLE(uncore, __gen9_fw_ranges);
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ASSIGN_WRITE_MMIO_VFUNCS(uncore, fwtable);
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ASSIGN_READ_MMIO_VFUNCS(uncore, fwtable);
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} else {
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} else if (IS_GEN(i915, 11)) {
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ASSIGN_FW_DOMAINS_TABLE(uncore, __gen11_fw_ranges);
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ASSIGN_WRITE_MMIO_VFUNCS(uncore, gen11_fwtable);
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ASSIGN_READ_MMIO_VFUNCS(uncore, gen11_fwtable);
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} else {
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ASSIGN_FW_DOMAINS_TABLE(uncore, __gen12_fw_ranges);
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ASSIGN_WRITE_MMIO_VFUNCS(uncore, gen12_fwtable);
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ASSIGN_READ_MMIO_VFUNCS(uncore, gen12_fwtable);
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}
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uncore->pmic_bus_access_nb.notifier_call = i915_pmic_bus_access_notifier;
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@ -67,6 +67,7 @@ static int intel_shadow_table_check(void)
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} reg_lists[] = {
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{ gen8_shadowed_regs, ARRAY_SIZE(gen8_shadowed_regs) },
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{ gen11_shadowed_regs, ARRAY_SIZE(gen11_shadowed_regs) },
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{ gen12_shadowed_regs, ARRAY_SIZE(gen12_shadowed_regs) },
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};
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const i915_reg_t *reg;
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unsigned int i, j;
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@ -101,6 +102,7 @@ int intel_uncore_mock_selftests(void)
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{ __chv_fw_ranges, ARRAY_SIZE(__chv_fw_ranges), false },
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{ __gen9_fw_ranges, ARRAY_SIZE(__gen9_fw_ranges), true },
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{ __gen11_fw_ranges, ARRAY_SIZE(__gen11_fw_ranges), true },
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{ __gen12_fw_ranges, ARRAY_SIZE(__gen12_fw_ranges), true },
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};
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int err, i;
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