diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2021-01-11 19:37:08 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2021-01-29 20:00:34 +0300 |
| commit | cda195f13abd77fe024bbe1a2cb9ac99b9915270 (patch) | |
| tree | 598bbd5bccc92b256b56789f0d11ba69e8e0981a /drivers/gpu/drm/i915/i915_irq.c | |
| parent | cb807055497c39bd657da9288ebdf07b81fc8d69 (diff) | |
| download | linux-cda195f13abd77fe024bbe1a2cb9ac99b9915270.tar.xz | |
drm/i915: Implement async flips for bdw
Implement async flip support for BDW. The implementation is
similar to the skl+ code. And just like skl/bxt/glk bdw also
needs the disable w/a, thus we need to plumb the desired state
of the async flip all the way down to i9xx_plane_ctl_crtc().
According to the spec we do need to bump the surface alignment
to 256KiB for this. Async flips require an X-tiled buffer so
we don't have to worry about linear.
Cc: Karthik B S <karthik.b.s@intel.com>
Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210111163711.12913-9-ville.syrjala@linux.intel.com
Reviewed-by: Karthik B S <karthik.b.s@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 5075f4ea2b23..11f256625f2b 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2380,6 +2380,14 @@ static void gen11_dsi_te_interrupt_handler(struct drm_i915_private *dev_priv, intel_uncore_write(&dev_priv->uncore, DSI_INTR_IDENT_REG(port), tmp); } +static u32 gen8_de_pipe_flip_done_mask(struct drm_i915_private *i915) +{ + if (INTEL_GEN(i915) >= 9) + return GEN9_PIPE_PLANE1_FLIP_DONE; + else + return GEN8_PIPE_PRIMARY_FLIP_DONE; +} + static irqreturn_t gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) { @@ -2482,7 +2490,7 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) if (iir & GEN8_PIPE_VBLANK) intel_handle_vblank(dev_priv, pipe); - if (iir & GEN9_PIPE_PLANE1_FLIP_DONE) + if (iir & gen8_de_pipe_flip_done_mask(dev_priv)) flip_done_handler(dev_priv, pipe); if (iir & GEN8_PIPE_CDCLK_CRC_DONE) @@ -3101,13 +3109,10 @@ void gen8_irq_power_well_post_enable(struct drm_i915_private *dev_priv, u8 pipe_mask) { struct intel_uncore *uncore = &dev_priv->uncore; - - u32 extra_ier = GEN8_PIPE_VBLANK | GEN8_PIPE_FIFO_UNDERRUN; + u32 extra_ier = GEN8_PIPE_VBLANK | GEN8_PIPE_FIFO_UNDERRUN | + gen8_de_pipe_flip_done_mask(dev_priv); enum pipe pipe; - if (INTEL_GEN(dev_priv) >= 9) - extra_ier |= GEN9_PIPE_PLANE1_FLIP_DONE; - spin_lock_irq(&dev_priv->irq_lock); if (!intel_irqs_enabled(dev_priv)) { @@ -3679,11 +3684,9 @@ static void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv) de_port_masked |= DSI0_TE | DSI1_TE; } - de_pipe_enables = de_pipe_masked | GEN8_PIPE_VBLANK | - GEN8_PIPE_FIFO_UNDERRUN; - - if (INTEL_GEN(dev_priv) >= 9) - de_pipe_enables |= GEN9_PIPE_PLANE1_FLIP_DONE; + de_pipe_enables = de_pipe_masked | + GEN8_PIPE_VBLANK | GEN8_PIPE_FIFO_UNDERRUN | + gen8_de_pipe_flip_done_mask(dev_priv); de_port_enables = de_port_masked; if (IS_GEN9_LP(dev_priv)) |