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authorVille Syrjälä <ville.syrjala@linux.intel.com>2016-02-19 18:47:31 (GMT)
committerVille Syrjälä <ville.syrjala@linux.intel.com>2016-02-22 17:28:16 (GMT)
commit6831f3e3c640ad4ca3f93601a26ee4ecf210aefa (patch)
treef4e5fa63171610be326cc500ff73deafb6574354 /drivers
parentaae8ba844495473cb11298ad263e26e656e6e4b4 (diff)
downloadlinux-6831f3e3c640ad4ca3f93601a26ee4ecf210aefa.tar.xz
drm/i915: Add for_each_pipe_masked()
for_each_pipe_masked() can be used to iterate over the pipes included in the user provided pipe mask. Removes a few lines of duplicated code. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1455907651-16397-2-git-send-email-ville.syrjala@linux.intel.com Reviewed-by: Imre Deak <imre.deak@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h3
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c27
2 files changed, 12 insertions, 18 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 9cbcb5d..9e76bfc 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -261,6 +261,9 @@ struct i915_hotplug {
#define for_each_pipe(__dev_priv, __p) \
for ((__p) = 0; (__p) < INTEL_INFO(__dev_priv)->num_pipes; (__p)++)
+#define for_each_pipe_masked(__dev_priv, __p, __mask) \
+ for ((__p) = 0; (__p) < INTEL_INFO(__dev_priv)->num_pipes; (__p)++) \
+ for_each_if ((__mask) & (1 << (__p)))
#define for_each_plane(__dev_priv, __pipe, __p) \
for ((__p) = 0; \
(__p) < INTEL_INFO(__dev_priv)->num_sprites[(__pipe)] + 1; \
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index a9048e1..d1a46ef 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3349,33 +3349,24 @@ void gen8_irq_power_well_post_enable(struct drm_i915_private *dev_priv,
unsigned int pipe_mask)
{
uint32_t extra_ier = GEN8_PIPE_VBLANK | GEN8_PIPE_FIFO_UNDERRUN;
+ enum pipe pipe;
spin_lock_irq(&dev_priv->irq_lock);
- if (pipe_mask & 1 << PIPE_A)
- GEN8_IRQ_INIT_NDX(DE_PIPE, PIPE_A,
- dev_priv->de_irq_mask[PIPE_A],
- ~dev_priv->de_irq_mask[PIPE_A] | extra_ier);
- if (pipe_mask & 1 << PIPE_B)
- GEN8_IRQ_INIT_NDX(DE_PIPE, PIPE_B,
- dev_priv->de_irq_mask[PIPE_B],
- ~dev_priv->de_irq_mask[PIPE_B] | extra_ier);
- if (pipe_mask & 1 << PIPE_C)
- GEN8_IRQ_INIT_NDX(DE_PIPE, PIPE_C,
- dev_priv->de_irq_mask[PIPE_C],
- ~dev_priv->de_irq_mask[PIPE_C] | extra_ier);
+ for_each_pipe_masked(dev_priv, pipe, pipe_mask)
+ GEN8_IRQ_INIT_NDX(DE_PIPE, pipe,
+ dev_priv->de_irq_mask[pipe],
+ ~dev_priv->de_irq_mask[pipe] | extra_ier);
spin_unlock_irq(&dev_priv->irq_lock);
}
void gen8_irq_power_well_pre_disable(struct drm_i915_private *dev_priv,
unsigned int pipe_mask)
{
+ enum pipe pipe;
+
spin_lock_irq(&dev_priv->irq_lock);
- if (pipe_mask & 1 << PIPE_A)
- GEN8_IRQ_RESET_NDX(DE_PIPE, PIPE_A);
- if (pipe_mask & 1 << PIPE_B)
- GEN8_IRQ_RESET_NDX(DE_PIPE, PIPE_B);
- if (pipe_mask & 1 << PIPE_C)
- GEN8_IRQ_RESET_NDX(DE_PIPE, PIPE_C);
+ for_each_pipe_masked(dev_priv, pipe, pipe_mask)
+ GEN8_IRQ_RESET_NDX(DE_PIPE, pipe);
spin_unlock_irq(&dev_priv->irq_lock);
/* make sure we're done processing display irqs */