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drm/i915: Data driven register to forcewake domains lookup
Move finding the correct forcewake domains to take for register access from code to a mapping table. This will allow more interesting work in the following patches and is easier to review if singled out early. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Tvrtko Ursulin
parent
c521b0c898
commit
9fc1117cf8
@ -581,28 +581,52 @@ void assert_forcewakes_inactive(struct drm_i915_private *dev_priv)
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__fwd; \
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})
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#define REG_RANGE(reg, start, end) ((reg) >= (start) && (reg) < (end))
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struct intel_forcewake_range
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{
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u32 start;
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u32 end;
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#define FORCEWAKE_VLV_RENDER_RANGE_OFFSET(reg) \
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(REG_RANGE((reg), 0x2000, 0x4000) || \
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REG_RANGE((reg), 0x5000, 0x8000) || \
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REG_RANGE((reg), 0xB000, 0x12000) || \
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REG_RANGE((reg), 0x2E000, 0x30000))
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enum forcewake_domains domains;
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};
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#define FORCEWAKE_VLV_MEDIA_RANGE_OFFSET(reg) \
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(REG_RANGE((reg), 0x12000, 0x14000) || \
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REG_RANGE((reg), 0x22000, 0x24000) || \
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REG_RANGE((reg), 0x30000, 0x40000))
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static enum forcewake_domains
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find_fw_domain(u32 offset, const struct intel_forcewake_range *ranges,
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unsigned int num_ranges)
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{
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unsigned int i;
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struct intel_forcewake_range *entry =
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(struct intel_forcewake_range *)ranges;
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for (i = 0; i < num_ranges; i++, entry++) {
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if (offset >= entry->start && offset <= entry->end)
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return entry->domains;
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}
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return -1;
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}
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#define GEN_FW_RANGE(s, e, d) \
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{ .start = (s), .end = (e), .domains = (d) }
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static const struct intel_forcewake_range __vlv_fw_ranges[] = {
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GEN_FW_RANGE(0x2000, 0x3fff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x5000, 0x7fff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0xb000, 0x11fff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x2e000, 0x2ffff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x12000, 0x13fff, FORCEWAKE_MEDIA),
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GEN_FW_RANGE(0x22000, 0x23fff, FORCEWAKE_MEDIA),
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GEN_FW_RANGE(0x30000, 0x3ffff, FORCEWAKE_MEDIA),
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};
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#define __vlv_reg_read_fw_domains(offset) \
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({ \
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enum forcewake_domains __fwd = 0; \
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if (!NEEDS_FORCE_WAKE(offset)) \
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if (NEEDS_FORCE_WAKE((offset))) { \
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__fwd = find_fw_domain(offset, __vlv_fw_ranges, \
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ARRAY_SIZE(__vlv_fw_ranges)); \
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if (__fwd == -1 ) \
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__fwd = 0; \
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else if (FORCEWAKE_VLV_RENDER_RANGE_OFFSET(offset)) \
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__fwd = FORCEWAKE_RENDER; \
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else if (FORCEWAKE_VLV_MEDIA_RANGE_OFFSET(offset)) \
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__fwd = FORCEWAKE_MEDIA; \
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} \
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__fwd; \
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})
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@ -636,104 +660,78 @@ static bool is_gen8_shadowed(u32 offset)
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__fwd; \
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})
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#define FORCEWAKE_CHV_RENDER_RANGE_OFFSET(reg) \
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(REG_RANGE((reg), 0x2000, 0x4000) || \
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REG_RANGE((reg), 0x5200, 0x8000) || \
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REG_RANGE((reg), 0x8300, 0x8500) || \
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REG_RANGE((reg), 0xB000, 0xB480) || \
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REG_RANGE((reg), 0xE000, 0xE800))
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#define FORCEWAKE_CHV_MEDIA_RANGE_OFFSET(reg) \
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(REG_RANGE((reg), 0x8800, 0x8900) || \
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REG_RANGE((reg), 0xD000, 0xD800) || \
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REG_RANGE((reg), 0x12000, 0x14000) || \
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REG_RANGE((reg), 0x1A000, 0x1C000) || \
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REG_RANGE((reg), 0x1E800, 0x1EA00) || \
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REG_RANGE((reg), 0x30000, 0x38000))
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#define FORCEWAKE_CHV_COMMON_RANGE_OFFSET(reg) \
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(REG_RANGE((reg), 0x4000, 0x5000) || \
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REG_RANGE((reg), 0x8000, 0x8300) || \
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REG_RANGE((reg), 0x8500, 0x8600) || \
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REG_RANGE((reg), 0x9000, 0xB000) || \
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REG_RANGE((reg), 0xF000, 0x10000))
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static const struct intel_forcewake_range __chv_fw_ranges[] = {
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GEN_FW_RANGE(0x2000, 0x3fff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x5200, 0x7fff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x8300, 0x84ff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0xb000, 0xb47f, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0xe000, 0xe7ff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x8800, 0x88ff, FORCEWAKE_MEDIA),
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GEN_FW_RANGE(0xd000, 0xd7ff, FORCEWAKE_MEDIA),
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GEN_FW_RANGE(0x12000, 0x13fff, FORCEWAKE_MEDIA),
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GEN_FW_RANGE(0x1a000, 0x1bfff, FORCEWAKE_MEDIA),
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GEN_FW_RANGE(0x1e800, 0x1e9ff, FORCEWAKE_MEDIA),
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GEN_FW_RANGE(0x30000, 0x37fff, FORCEWAKE_MEDIA),
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GEN_FW_RANGE(0x4000, 0x4fff, FORCEWAKE_RENDER | FORCEWAKE_MEDIA),
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GEN_FW_RANGE(0x8000, 0x82ff, FORCEWAKE_RENDER | FORCEWAKE_MEDIA),
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GEN_FW_RANGE(0x8500, 0x85ff, FORCEWAKE_RENDER | FORCEWAKE_MEDIA),
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GEN_FW_RANGE(0x9000, 0xafff, FORCEWAKE_RENDER | FORCEWAKE_MEDIA),
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GEN_FW_RANGE(0xf000, 0xffff, FORCEWAKE_RENDER | FORCEWAKE_MEDIA),
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};
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#define __chv_reg_read_fw_domains(offset) \
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({ \
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enum forcewake_domains __fwd = 0; \
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if (!NEEDS_FORCE_WAKE(offset)) \
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if (NEEDS_FORCE_WAKE((offset))) { \
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__fwd = find_fw_domain(offset, __chv_fw_ranges, \
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ARRAY_SIZE(__chv_fw_ranges)); \
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if (__fwd == -1 ) \
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__fwd = 0; \
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else if (FORCEWAKE_CHV_RENDER_RANGE_OFFSET(offset)) \
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__fwd = FORCEWAKE_RENDER; \
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else if (FORCEWAKE_CHV_MEDIA_RANGE_OFFSET(offset)) \
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__fwd = FORCEWAKE_MEDIA; \
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else if (FORCEWAKE_CHV_COMMON_RANGE_OFFSET(offset)) \
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__fwd = FORCEWAKE_RENDER | FORCEWAKE_MEDIA; \
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} \
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__fwd; \
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})
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#define __chv_reg_write_fw_domains(offset) \
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({ \
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enum forcewake_domains __fwd = 0; \
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if (!NEEDS_FORCE_WAKE(offset) || is_gen8_shadowed(offset)) \
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if (NEEDS_FORCE_WAKE((offset)) && !is_gen8_shadowed(offset)) { \
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__fwd = find_fw_domain(offset, __chv_fw_ranges, \
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ARRAY_SIZE(__chv_fw_ranges)); \
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if (__fwd == -1 ) \
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__fwd = 0; \
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else if (FORCEWAKE_CHV_RENDER_RANGE_OFFSET(offset)) \
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__fwd = FORCEWAKE_RENDER; \
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else if (FORCEWAKE_CHV_MEDIA_RANGE_OFFSET(offset)) \
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__fwd = FORCEWAKE_MEDIA; \
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else if (FORCEWAKE_CHV_COMMON_RANGE_OFFSET(offset)) \
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__fwd = FORCEWAKE_RENDER | FORCEWAKE_MEDIA; \
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} \
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__fwd; \
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})
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#define FORCEWAKE_GEN9_UNCORE_RANGE_OFFSET(reg) \
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REG_RANGE((reg), 0xB00, 0x2000)
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#define FORCEWAKE_GEN9_RENDER_RANGE_OFFSET(reg) \
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(REG_RANGE((reg), 0x2000, 0x2700) || \
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REG_RANGE((reg), 0x3000, 0x4000) || \
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REG_RANGE((reg), 0x5200, 0x8000) || \
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REG_RANGE((reg), 0x8140, 0x8160) || \
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REG_RANGE((reg), 0x8300, 0x8500) || \
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REG_RANGE((reg), 0x8C00, 0x8D00) || \
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REG_RANGE((reg), 0xB000, 0xB480) || \
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REG_RANGE((reg), 0xE000, 0xE900) || \
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REG_RANGE((reg), 0x24400, 0x24800))
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#define FORCEWAKE_GEN9_MEDIA_RANGE_OFFSET(reg) \
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(REG_RANGE((reg), 0x8130, 0x8140) || \
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REG_RANGE((reg), 0x8800, 0x8A00) || \
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REG_RANGE((reg), 0xD000, 0xD800) || \
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REG_RANGE((reg), 0x12000, 0x14000) || \
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REG_RANGE((reg), 0x1A000, 0x1EA00) || \
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REG_RANGE((reg), 0x30000, 0x40000))
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#define FORCEWAKE_GEN9_COMMON_RANGE_OFFSET(reg) \
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REG_RANGE((reg), 0x9400, 0x9800)
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#define FORCEWAKE_GEN9_BLITTER_RANGE_OFFSET(reg) \
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((reg) < 0x40000 && \
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!FORCEWAKE_GEN9_UNCORE_RANGE_OFFSET(reg) && \
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!FORCEWAKE_GEN9_RENDER_RANGE_OFFSET(reg) && \
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!FORCEWAKE_GEN9_MEDIA_RANGE_OFFSET(reg) && \
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!FORCEWAKE_GEN9_COMMON_RANGE_OFFSET(reg))
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#define SKL_NEEDS_FORCE_WAKE(reg) \
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((reg) < 0x40000 && !FORCEWAKE_GEN9_UNCORE_RANGE_OFFSET(reg))
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static const struct intel_forcewake_range __gen9_fw_ranges[] = {
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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(0x3000, 0x3fff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x5200, 0x7fff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x8140, 0x815f, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x8300, 0x84ff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x8c00, 0x8cff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0xb000, 0xb47f, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0xe000, 0xe8ff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x24400, 0x247ff, FORCEWAKE_RENDER),
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GEN_FW_RANGE(0x9400, 0x97ff, FORCEWAKE_RENDER | FORCEWAKE_MEDIA),
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GEN_FW_RANGE(0x8130, 0x813f, FORCEWAKE_MEDIA),
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GEN_FW_RANGE(0x8800, 0x89ff, FORCEWAKE_MEDIA),
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GEN_FW_RANGE(0xd000, 0xd7ff, FORCEWAKE_MEDIA),
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GEN_FW_RANGE(0x12000, 0x13fff, FORCEWAKE_MEDIA),
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GEN_FW_RANGE(0x1a000, 0x1e9ff, FORCEWAKE_MEDIA),
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GEN_FW_RANGE(0x30000, 0x3ffff, FORCEWAKE_MEDIA),
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};
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#define __gen9_reg_read_fw_domains(offset) \
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({ \
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enum forcewake_domains __fwd; \
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if (!SKL_NEEDS_FORCE_WAKE(offset)) \
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__fwd = 0; \
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else if (FORCEWAKE_GEN9_RENDER_RANGE_OFFSET(offset)) \
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__fwd = FORCEWAKE_RENDER; \
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else if (FORCEWAKE_GEN9_MEDIA_RANGE_OFFSET(offset)) \
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__fwd = FORCEWAKE_MEDIA; \
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else if (FORCEWAKE_GEN9_COMMON_RANGE_OFFSET(offset)) \
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__fwd = FORCEWAKE_RENDER | FORCEWAKE_MEDIA; \
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else \
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enum forcewake_domains __fwd = 0; \
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if (NEEDS_FORCE_WAKE((offset))) { \
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__fwd = find_fw_domain(offset, __gen9_fw_ranges, \
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ARRAY_SIZE(__gen9_fw_ranges)); \
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if (__fwd == -1 ) \
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__fwd = FORCEWAKE_BLITTER; \
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} \
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__fwd; \
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})
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@ -759,17 +757,13 @@ static bool is_gen9_shadowed(u32 offset)
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#define __gen9_reg_write_fw_domains(offset) \
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({ \
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enum forcewake_domains __fwd; \
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if (!SKL_NEEDS_FORCE_WAKE(offset) || is_gen9_shadowed(offset)) \
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__fwd = 0; \
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else if (FORCEWAKE_GEN9_RENDER_RANGE_OFFSET(offset)) \
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__fwd = FORCEWAKE_RENDER; \
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else if (FORCEWAKE_GEN9_MEDIA_RANGE_OFFSET(offset)) \
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__fwd = FORCEWAKE_MEDIA; \
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else if (FORCEWAKE_GEN9_COMMON_RANGE_OFFSET(offset)) \
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__fwd = FORCEWAKE_RENDER | FORCEWAKE_MEDIA; \
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else \
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enum forcewake_domains __fwd = 0; \
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if (NEEDS_FORCE_WAKE((offset)) && !is_gen9_shadowed(offset)) { \
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__fwd = find_fw_domain(offset, __gen9_fw_ranges, \
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ARRAY_SIZE(__gen9_fw_ranges)); \
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if (__fwd == -1 ) \
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__fwd = FORCEWAKE_BLITTER; \
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} \
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__fwd; \
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})
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