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drm/i915: Add intel implementation of the pageflip ioctl

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Acked-by: Jakob Bornecrantz <jakob@vmware.com>
Acked-by: Thomas Hellström <thomas@shipmail.org>
Review-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jesse "Orange Smoothie" Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Kristian Høgsberg <krh@bitplanet.net>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Kristian Høgsberg
2009-11-18 11:25:18 -05:00
committed by Eric Anholt
parent f40d6817a5
commit 6b95a207c1
6 changed files with 291 additions and 38 deletions
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19
drivers/gpu/drm/i915/i915_irq.c
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@@ -43,10 +43,13 @@
* we leave them always unmasked in IMR and then control enabling them through
* PIPESTAT alone.
*/
#define I915_INTERRUPT_ENABLE_FIX (I915_ASLE_INTERRUPT | \
I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | \
I915_DISPLAY_PIPE_B_EVENT_INTERRUPT | \
I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT)
#define I915_INTERRUPT_ENABLE_FIX \
(I915_ASLE_INTERRUPT | \
I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | \
I915_DISPLAY_PIPE_B_EVENT_INTERRUPT | \
I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT | \
I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT | \
I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT)
/** Interrupts that we mask and unmask at runtime. */
#define I915_INTERRUPT_ENABLE_VAR (I915_USER_INTERRUPT)
@@ -643,14 +646,22 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
mod_timer(&dev_priv->hangcheck_timer, jiffies + DRM_I915_HANGCHECK_PERIOD);
}
if (iir & I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT)
intel_prepare_page_flip(dev, 0);
if (iir & I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT)
intel_prepare_page_flip(dev, 1);
if (pipea_stats & vblank_status) {
vblank++;
drm_handle_vblank(dev, 0);
intel_finish_page_flip(dev, 0);
}
if (pipeb_stats & vblank_status) {
vblank++;
drm_handle_vblank(dev, 1);
intel_finish_page_flip(dev, 1);
}
if ((pipeb_stats & I915_LEGACY_BLC_EVENT_STATUS) ||