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drm/i915: Use drm official vblank_no_hw_counter callback. 

No functional change. Instead of defining a new empty function
let's use what is available on drm.

It gets cleaner, and easy to read, and understand.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
This commit is contained in:
Rodrigo Vivi 2016-08-03 10:00:56 -07:00
parent 4e9121e6b4
commit 4194c088df
1 changed files with 2 additions and 7 deletions
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9
drivers/gpu/drm/i915/i915_irq.c
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@ -656,12 +656,6 @@ static void i915_enable_asle_pipestat(struct drm_i915_private *dev_priv)
* of horizontal active on the first line of vertical active
*/
static u32 i8xx_get_vblank_counter(struct drm_device *dev, unsigned int pipe)
{
/* Gen2 doesn't have a hardware frame counter */
return 0;
}
/* Called from drm generic code, passed a 'crtc', which
* we use as a pipe index
*/
@ -4538,8 +4532,9 @@ void intel_irq_init(struct drm_i915_private *dev_priv)
i915_hangcheck_elapsed);
if (IS_GEN2(dev_priv)) {
/* Gen2 doesn't have a hardware frame counter */
dev->max_vblank_count = 0;
dev->driver->get_vblank_counter = i8xx_get_vblank_counter;
dev->driver->get_vblank_counter = drm_vblank_no_hw_counter;
} else if (IS_G4X(dev_priv) || INTEL_INFO(dev_priv)->gen >= 5) {
dev->max_vblank_count = 0xffffffff; /* full 32 bit counter */
dev->driver->get_vblank_counter = g4x_get_vblank_counter;