diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index dcf38bb5a097..6b98b8a6d64a 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -552,6 +552,16 @@ void assert_forcewakes_inactive(struct drm_i915_private *dev_priv) /* We give fast paths for the really cool registers */ #define NEEDS_FORCE_WAKE(reg) ((reg) < 0x40000) +#define __gen6_reg_read_fw_domains(offset) \ +({ \ + enum forcewake_domains __fwd; \ + if (NEEDS_FORCE_WAKE(offset)) \ + __fwd = FORCEWAKE_RENDER; \ + else \ + __fwd = 0; \ + __fwd; \ +}) + #define REG_RANGE(reg, start, end) ((reg) >= (start) && (reg) < (end)) #define FORCEWAKE_VLV_RENDER_RANGE_OFFSET(reg) \ @@ -565,6 +575,49 @@ void assert_forcewakes_inactive(struct drm_i915_private *dev_priv) REG_RANGE((reg), 0x22000, 0x24000) || \ REG_RANGE((reg), 0x30000, 0x40000)) +#define __vlv_reg_read_fw_domains(offset) \ +({ \ + enum forcewake_domains __fwd = 0; \ + if (!NEEDS_FORCE_WAKE(offset)) \ + __fwd = 0; \ + else if (FORCEWAKE_VLV_RENDER_RANGE_OFFSET(offset)) \ + __fwd = FORCEWAKE_RENDER; \ + else if (FORCEWAKE_VLV_MEDIA_RANGE_OFFSET(offset)) \ + __fwd = FORCEWAKE_MEDIA; \ + __fwd; \ +}) + +static const i915_reg_t gen8_shadowed_regs[] = { + FORCEWAKE_MT, + GEN6_RPNSWREQ, + GEN6_RC_VIDEO_FREQ, + RING_TAIL(RENDER_RING_BASE), + RING_TAIL(GEN6_BSD_RING_BASE), + RING_TAIL(VEBOX_RING_BASE), + RING_TAIL(BLT_RING_BASE), + /* TODO: Other registers are not yet used */ +}; + +static bool is_gen8_shadowed(u32 offset) +{ + int i; + for (i = 0; i < ARRAY_SIZE(gen8_shadowed_regs); i++) + if (offset == gen8_shadowed_regs[i].reg) + return true; + + return false; +} + +#define __gen8_reg_write_fw_domains(offset) \ +({ \ + enum forcewake_domains __fwd; \ + if (NEEDS_FORCE_WAKE(offset) && !is_gen8_shadowed(offset)) \ + __fwd = FORCEWAKE_RENDER; \ + else \ + __fwd = 0; \ + __fwd; \ +}) + #define FORCEWAKE_CHV_RENDER_RANGE_OFFSET(reg) \ (REG_RANGE((reg), 0x2000, 0x4000) || \ REG_RANGE((reg), 0x5200, 0x8000) || \ @@ -587,6 +640,34 @@ void assert_forcewakes_inactive(struct drm_i915_private *dev_priv) REG_RANGE((reg), 0x9000, 0xB000) || \ REG_RANGE((reg), 0xF000, 0x10000)) +#define __chv_reg_read_fw_domains(offset) \ +({ \ + enum forcewake_domains __fwd = 0; \ + if (!NEEDS_FORCE_WAKE(offset)) \ + __fwd = 0; \ + else if (FORCEWAKE_CHV_RENDER_RANGE_OFFSET(offset)) \ + __fwd = FORCEWAKE_RENDER; \ + else if (FORCEWAKE_CHV_MEDIA_RANGE_OFFSET(offset)) \ + __fwd = FORCEWAKE_MEDIA; \ + else if (FORCEWAKE_CHV_COMMON_RANGE_OFFSET(offset)) \ + __fwd = FORCEWAKE_RENDER | FORCEWAKE_MEDIA; \ + __fwd; \ +}) + +#define __chv_reg_write_fw_domains(offset) \ +({ \ + enum forcewake_domains __fwd = 0; \ + if (!NEEDS_FORCE_WAKE(offset) || is_gen8_shadowed(offset)) \ + __fwd = 0; \ + else if (FORCEWAKE_CHV_RENDER_RANGE_OFFSET(offset)) \ + __fwd = FORCEWAKE_RENDER; \ + else if (FORCEWAKE_CHV_MEDIA_RANGE_OFFSET(offset)) \ + __fwd = FORCEWAKE_MEDIA; \ + else if (FORCEWAKE_CHV_COMMON_RANGE_OFFSET(offset)) \ + __fwd = FORCEWAKE_RENDER | FORCEWAKE_MEDIA; \ + __fwd; \ +}) + #define FORCEWAKE_GEN9_UNCORE_RANGE_OFFSET(reg) \ REG_RANGE((reg), 0xB00, 0x2000) @@ -619,6 +700,64 @@ void assert_forcewakes_inactive(struct drm_i915_private *dev_priv) !FORCEWAKE_GEN9_MEDIA_RANGE_OFFSET(reg) && \ !FORCEWAKE_GEN9_COMMON_RANGE_OFFSET(reg)) +#define SKL_NEEDS_FORCE_WAKE(reg) \ + ((reg) < 0x40000 && !FORCEWAKE_GEN9_UNCORE_RANGE_OFFSET(reg)) + +#define __gen9_reg_read_fw_domains(offset) \ +({ \ + enum forcewake_domains __fwd; \ + if (!SKL_NEEDS_FORCE_WAKE(offset)) \ + __fwd = 0; \ + else if (FORCEWAKE_GEN9_RENDER_RANGE_OFFSET(offset)) \ + __fwd = FORCEWAKE_RENDER; \ + else if (FORCEWAKE_GEN9_MEDIA_RANGE_OFFSET(offset)) \ + __fwd = FORCEWAKE_MEDIA; \ + else if (FORCEWAKE_GEN9_COMMON_RANGE_OFFSET(offset)) \ + __fwd = FORCEWAKE_RENDER | FORCEWAKE_MEDIA; \ + else \ + __fwd = FORCEWAKE_BLITTER; \ + __fwd; \ +}) + +static const i915_reg_t gen9_shadowed_regs[] = { + RING_TAIL(RENDER_RING_BASE), + RING_TAIL(GEN6_BSD_RING_BASE), + RING_TAIL(VEBOX_RING_BASE), + RING_TAIL(BLT_RING_BASE), + FORCEWAKE_BLITTER_GEN9, + FORCEWAKE_RENDER_GEN9, + FORCEWAKE_MEDIA_GEN9, + GEN6_RPNSWREQ, + GEN6_RC_VIDEO_FREQ, + /* TODO: Other registers are not yet used */ +}; + +static bool is_gen9_shadowed(u32 offset) +{ + int i; + for (i = 0; i < ARRAY_SIZE(gen9_shadowed_regs); i++) + if (offset == gen9_shadowed_regs[i].reg) + return true; + + return false; +} + +#define __gen9_reg_write_fw_domains(offset) \ +({ \ + enum forcewake_domains __fwd; \ + if (!SKL_NEEDS_FORCE_WAKE(offset) || is_gen9_shadowed(offset)) \ + __fwd = 0; \ + else if (FORCEWAKE_GEN9_RENDER_RANGE_OFFSET(offset)) \ + __fwd = FORCEWAKE_RENDER; \ + else if (FORCEWAKE_GEN9_MEDIA_RANGE_OFFSET(offset)) \ + __fwd = FORCEWAKE_MEDIA; \ + else if (FORCEWAKE_GEN9_COMMON_RANGE_OFFSET(offset)) \ + __fwd = FORCEWAKE_RENDER | FORCEWAKE_MEDIA; \ + else \ + __fwd = FORCEWAKE_BLITTER; \ + __fwd; \ +}) + static void ilk_dummy_write(struct drm_i915_private *dev_priv) { @@ -742,9 +881,11 @@ static inline void __force_wake_auto(struct drm_i915_private *dev_priv, #define __gen6_read(x) \ static u##x \ gen6_read##x(struct drm_i915_private *dev_priv, i915_reg_t reg, bool trace) { \ + enum forcewake_domains fw_engine; \ GEN6_READ_HEADER(x); \ - if (NEEDS_FORCE_WAKE(offset)) \ - __force_wake_auto(dev_priv, FORCEWAKE_RENDER); \ + fw_engine = __gen6_reg_read_fw_domains(offset); \ + if (fw_engine) \ + __force_wake_auto(dev_priv, fw_engine); \ val = __raw_i915_read##x(dev_priv, reg); \ GEN6_READ_FOOTER; \ } @@ -752,14 +893,9 @@ gen6_read##x(struct drm_i915_private *dev_priv, i915_reg_t reg, bool trace) { \ #define __vlv_read(x) \ static u##x \ vlv_read##x(struct drm_i915_private *dev_priv, i915_reg_t reg, bool trace) { \ - enum forcewake_domains fw_engine = 0; \ + enum forcewake_domains fw_engine; \ GEN6_READ_HEADER(x); \ - if (!NEEDS_FORCE_WAKE(offset)) \ - fw_engine = 0; \ - else if (FORCEWAKE_VLV_RENDER_RANGE_OFFSET(offset)) \ - fw_engine = FORCEWAKE_RENDER; \ - else if (FORCEWAKE_VLV_MEDIA_RANGE_OFFSET(offset)) \ - fw_engine = FORCEWAKE_MEDIA; \ + fw_engine = __vlv_reg_read_fw_domains(offset); \ if (fw_engine) \ __force_wake_auto(dev_priv, fw_engine); \ val = __raw_i915_read##x(dev_priv, reg); \ @@ -769,40 +905,21 @@ vlv_read##x(struct drm_i915_private *dev_priv, i915_reg_t reg, bool trace) { \ #define __chv_read(x) \ static u##x \ chv_read##x(struct drm_i915_private *dev_priv, i915_reg_t reg, bool trace) { \ - enum forcewake_domains fw_engine = 0; \ + enum forcewake_domains fw_engine; \ GEN6_READ_HEADER(x); \ - if (!NEEDS_FORCE_WAKE(offset)) \ - fw_engine = 0; \ - else if (FORCEWAKE_CHV_RENDER_RANGE_OFFSET(offset)) \ - fw_engine = FORCEWAKE_RENDER; \ - else if (FORCEWAKE_CHV_MEDIA_RANGE_OFFSET(offset)) \ - fw_engine = FORCEWAKE_MEDIA; \ - else if (FORCEWAKE_CHV_COMMON_RANGE_OFFSET(offset)) \ - fw_engine = FORCEWAKE_RENDER | FORCEWAKE_MEDIA; \ + fw_engine = __chv_reg_read_fw_domains(offset); \ if (fw_engine) \ __force_wake_auto(dev_priv, fw_engine); \ val = __raw_i915_read##x(dev_priv, reg); \ GEN6_READ_FOOTER; \ } -#define SKL_NEEDS_FORCE_WAKE(reg) \ - ((reg) < 0x40000 && !FORCEWAKE_GEN9_UNCORE_RANGE_OFFSET(reg)) - #define __gen9_read(x) \ static u##x \ gen9_read##x(struct drm_i915_private *dev_priv, i915_reg_t reg, bool trace) { \ enum forcewake_domains fw_engine; \ GEN6_READ_HEADER(x); \ - if (!SKL_NEEDS_FORCE_WAKE(offset)) \ - fw_engine = 0; \ - else if (FORCEWAKE_GEN9_RENDER_RANGE_OFFSET(offset)) \ - fw_engine = FORCEWAKE_RENDER; \ - else if (FORCEWAKE_GEN9_MEDIA_RANGE_OFFSET(offset)) \ - fw_engine = FORCEWAKE_MEDIA; \ - else if (FORCEWAKE_GEN9_COMMON_RANGE_OFFSET(offset)) \ - fw_engine = FORCEWAKE_RENDER | FORCEWAKE_MEDIA; \ - else \ - fw_engine = FORCEWAKE_BLITTER; \ + fw_engine = __gen9_reg_read_fw_domains(offset); \ if (fw_engine) \ __force_wake_auto(dev_priv, fw_engine); \ val = __raw_i915_read##x(dev_priv, reg); \ @@ -941,34 +1058,14 @@ hsw_write##x(struct drm_i915_private *dev_priv, i915_reg_t reg, u##x val, bool t GEN6_WRITE_FOOTER; \ } -static const i915_reg_t gen8_shadowed_regs[] = { - FORCEWAKE_MT, - GEN6_RPNSWREQ, - GEN6_RC_VIDEO_FREQ, - RING_TAIL(RENDER_RING_BASE), - RING_TAIL(GEN6_BSD_RING_BASE), - RING_TAIL(VEBOX_RING_BASE), - RING_TAIL(BLT_RING_BASE), - /* TODO: Other registers are not yet used */ -}; - -static bool is_gen8_shadowed(struct drm_i915_private *dev_priv, - i915_reg_t reg) -{ - int i; - for (i = 0; i < ARRAY_SIZE(gen8_shadowed_regs); i++) - if (i915_mmio_reg_equal(reg, gen8_shadowed_regs[i])) - return true; - - return false; -} - #define __gen8_write(x) \ static void \ gen8_write##x(struct drm_i915_private *dev_priv, i915_reg_t reg, u##x val, bool trace) { \ + enum forcewake_domains fw_engine; \ GEN6_WRITE_HEADER; \ - if (NEEDS_FORCE_WAKE(offset) && !is_gen8_shadowed(dev_priv, reg)) \ - __force_wake_auto(dev_priv, FORCEWAKE_RENDER); \ + fw_engine = __gen8_reg_write_fw_domains(offset); \ + if (fw_engine) \ + __force_wake_auto(dev_priv, fw_engine); \ __raw_i915_write##x(dev_priv, reg, val); \ GEN6_WRITE_FOOTER; \ } @@ -976,64 +1073,22 @@ gen8_write##x(struct drm_i915_private *dev_priv, i915_reg_t reg, u##x val, bool #define __chv_write(x) \ static void \ chv_write##x(struct drm_i915_private *dev_priv, i915_reg_t reg, u##x val, bool trace) { \ - enum forcewake_domains fw_engine = 0; \ + enum forcewake_domains fw_engine; \ GEN6_WRITE_HEADER; \ - if (!NEEDS_FORCE_WAKE(offset) || \ - is_gen8_shadowed(dev_priv, reg)) \ - fw_engine = 0; \ - else if (FORCEWAKE_CHV_RENDER_RANGE_OFFSET(offset)) \ - fw_engine = FORCEWAKE_RENDER; \ - else if (FORCEWAKE_CHV_MEDIA_RANGE_OFFSET(offset)) \ - fw_engine = FORCEWAKE_MEDIA; \ - else if (FORCEWAKE_CHV_COMMON_RANGE_OFFSET(offset)) \ - fw_engine = FORCEWAKE_RENDER | FORCEWAKE_MEDIA; \ + fw_engine = __chv_reg_write_fw_domains(offset); \ if (fw_engine) \ __force_wake_auto(dev_priv, fw_engine); \ __raw_i915_write##x(dev_priv, reg, val); \ GEN6_WRITE_FOOTER; \ } -static const i915_reg_t gen9_shadowed_regs[] = { - RING_TAIL(RENDER_RING_BASE), - RING_TAIL(GEN6_BSD_RING_BASE), - RING_TAIL(VEBOX_RING_BASE), - RING_TAIL(BLT_RING_BASE), - FORCEWAKE_BLITTER_GEN9, - FORCEWAKE_RENDER_GEN9, - FORCEWAKE_MEDIA_GEN9, - GEN6_RPNSWREQ, - GEN6_RC_VIDEO_FREQ, - /* TODO: Other registers are not yet used */ -}; - -static bool is_gen9_shadowed(struct drm_i915_private *dev_priv, - i915_reg_t reg) -{ - int i; - for (i = 0; i < ARRAY_SIZE(gen9_shadowed_regs); i++) - if (i915_mmio_reg_equal(reg, gen9_shadowed_regs[i])) - return true; - - return false; -} - #define __gen9_write(x) \ static void \ gen9_write##x(struct drm_i915_private *dev_priv, i915_reg_t reg, u##x val, \ bool trace) { \ enum forcewake_domains fw_engine; \ GEN6_WRITE_HEADER; \ - if (!SKL_NEEDS_FORCE_WAKE(offset) || \ - is_gen9_shadowed(dev_priv, reg)) \ - fw_engine = 0; \ - else if (FORCEWAKE_GEN9_RENDER_RANGE_OFFSET(offset)) \ - fw_engine = FORCEWAKE_RENDER; \ - else if (FORCEWAKE_GEN9_MEDIA_RANGE_OFFSET(offset)) \ - fw_engine = FORCEWAKE_MEDIA; \ - else if (FORCEWAKE_GEN9_COMMON_RANGE_OFFSET(offset)) \ - fw_engine = FORCEWAKE_RENDER | FORCEWAKE_MEDIA; \ - else \ - fw_engine = FORCEWAKE_BLITTER; \ + fw_engine = __gen9_reg_write_fw_domains(offset); \ if (fw_engine) \ __force_wake_auto(dev_priv, fw_engine); \ __raw_i915_write##x(dev_priv, reg, val); \