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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
drm/i915: fix flip done interrupt on Ironlake
On Ironlake plane flip interrupt means flip done event already, the
behavior is not like old chips, and perform like other usual interrupt.
So only need to handle flip done event when receiving that interrupt.
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
authored by Zhenyu Wang and committed by Eric Anholt f072d2e7 b1b87f6b
+9
-9
drivers/gpu/drm/i915/i915_irq.c
+9
-9
drivers/gpu/drm/i915/i915_irq.c
···
309
if (de_iir & DE_GSE)
310
ironlake_opregion_gse_intr(dev);
311
312
-
if (de_iir & DE_PLANEA_FLIP_DONE)
313
intel_prepare_page_flip(dev, 0);
314
-
315
-
if (de_iir & DE_PLANEB_FLIP_DONE)
316
-
intel_prepare_page_flip(dev, 1);
317
-
318
-
if (de_iir & DE_PIPEA_VBLANK) {
319
-
drm_handle_vblank(dev, 0);
320
intel_finish_page_flip(dev, 0);
321
}
322
323
-
if (de_iir & DE_PIPEB_VBLANK) {
324
-
drm_handle_vblank(dev, 1);
325
intel_finish_page_flip(dev, 1);
326
}
327
328
/* check event from PCH */
329
if ((de_iir & DE_PCH_EVENT) &&
···
309
if (de_iir & DE_GSE)
310
ironlake_opregion_gse_intr(dev);
311
312
+
if (de_iir & DE_PLANEA_FLIP_DONE) {
313
intel_prepare_page_flip(dev, 0);
314
intel_finish_page_flip(dev, 0);
315
}
316
317
+
if (de_iir & DE_PLANEB_FLIP_DONE) {
318
+
intel_prepare_page_flip(dev, 1);
319
intel_finish_page_flip(dev, 1);
320
}
321
+
322
+
if (de_iir & DE_PIPEA_VBLANK)
323
+
drm_handle_vblank(dev, 0);
324
+
325
+
if (de_iir & DE_PIPEB_VBLANK)
326
+
drm_handle_vblank(dev, 1);
327
328
/* check event from PCH */
329
if ((de_iir & DE_PCH_EVENT) &&