diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-11-15 10:02:39 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-11-15 10:02:39 +0100 |
| commit | c09cd6e9691ec6fce8cb90b65929cad389d39c84 (patch) | |
| tree | d76104420f72172b21b8fb5ca512baa016ac892b /drivers/gpu/drm/i915/intel_uncore.c | |
| parent | 7eb1c496f7ac0f386552c0cd9144f6965fc61da5 (diff) | |
| parent | 96ab4c70396e4e5a4d623bc95e86484682bef78f (diff) | |
Merge branch 'backlight-rework' into drm-intel-next-queued
Pull in Jani's backlight rework branch. This was merged through a
separate branch to be able to sort out the Broadwell conflicts
properly before pulling it into the main development branch.
Conflicts:
drivers/gpu/drm/i915/intel_display.c
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_uncore.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_uncore.c | 59 |
1 files changed, 56 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index a881906969eb..5103d80fc3ae 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -93,7 +93,7 @@ static void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv) { u32 forcewake_ack; - if (IS_HASWELL(dev_priv->dev)) + if (IS_HASWELL(dev_priv->dev) || IS_GEN8(dev_priv->dev)) forcewake_ack = FORCEWAKE_ACK_HSW; else forcewake_ack = FORCEWAKE_MT_ACK; @@ -112,7 +112,8 @@ static void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv) DRM_ERROR("Timed out waiting for forcewake to ack request.\n"); /* WaRsForcewakeWaitTC0:ivb,hsw */ - __gen6_gt_wait_for_thread_c0(dev_priv); + if (INTEL_INFO(dev_priv->dev)->gen < 8) + __gen6_gt_wait_for_thread_c0(dev_priv); } static void gen6_gt_check_fifodbg(struct drm_i915_private *dev_priv) @@ -459,6 +460,46 @@ hsw_write##x(struct drm_i915_private *dev_priv, off_t reg, u##x val, bool trace) spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); \ } +static const u32 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, u32 reg) +{ + int i; + for (i = 0; i < ARRAY_SIZE(gen8_shadowed_regs); i++) + if (reg == gen8_shadowed_regs[i]) + return true; + + return false; +} + +#define __gen8_write(x) \ +static void \ +gen8_write##x(struct drm_i915_private *dev_priv, off_t reg, u##x val, bool trace) { \ + bool __needs_put = !is_gen8_shadowed(dev_priv, reg); \ + REG_WRITE_HEADER; \ + if (__needs_put) { \ + dev_priv->uncore.funcs.force_wake_get(dev_priv); \ + } \ + __raw_i915_write##x(dev_priv, reg, val); \ + if (__needs_put) { \ + dev_priv->uncore.funcs.force_wake_put(dev_priv); \ + } \ + spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); \ +} + +__gen8_write(8) +__gen8_write(16) +__gen8_write(32) +__gen8_write(64) __hsw_write(8) __hsw_write(16) __hsw_write(32) @@ -476,6 +517,7 @@ __gen4_write(16) __gen4_write(32) __gen4_write(64) +#undef __gen8_write #undef __hsw_write #undef __gen6_write #undef __gen5_write @@ -492,7 +534,7 @@ void intel_uncore_init(struct drm_device *dev) if (IS_VALLEYVIEW(dev)) { dev_priv->uncore.funcs.force_wake_get = vlv_force_wake_get; dev_priv->uncore.funcs.force_wake_put = vlv_force_wake_put; - } else if (IS_HASWELL(dev)) { + } else if (IS_HASWELL(dev) || IS_GEN8(dev)) { dev_priv->uncore.funcs.force_wake_get = __gen6_gt_force_wake_mt_get; dev_priv->uncore.funcs.force_wake_put = __gen6_gt_force_wake_mt_put; } else if (IS_IVYBRIDGE(dev)) { @@ -534,6 +576,16 @@ void intel_uncore_init(struct drm_device *dev) } switch (INTEL_INFO(dev)->gen) { + default: + dev_priv->uncore.funcs.mmio_writeb = gen8_write8; + dev_priv->uncore.funcs.mmio_writew = gen8_write16; + dev_priv->uncore.funcs.mmio_writel = gen8_write32; + dev_priv->uncore.funcs.mmio_writeq = gen8_write64; + dev_priv->uncore.funcs.mmio_readb = gen6_read8; + dev_priv->uncore.funcs.mmio_readw = gen6_read16; + dev_priv->uncore.funcs.mmio_readl = gen6_read32; + dev_priv->uncore.funcs.mmio_readq = gen6_read64; + break; case 7: case 6: if (IS_HASWELL(dev)) { @@ -767,6 +819,7 @@ static int gen6_do_reset(struct drm_device *dev) int intel_gpu_reset(struct drm_device *dev) { switch (INTEL_INFO(dev)->gen) { + case 8: case 7: case 6: return gen6_do_reset(dev); case 5: return ironlake_do_reset(dev); |