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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
309
if (de_iir & DE_GSE)
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310
ironlake_opregion_gse_intr(dev);
311
311
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-
if (de_iir & DE_PLANEA_FLIP_DONE)
312
+
if (de_iir & DE_PLANEA_FLIP_DONE) {
313
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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
314
intel_finish_page_flip(dev, 0);
321
315
}
322
316
323
-
if (de_iir & DE_PIPEB_VBLANK) {
324
-
drm_handle_vblank(dev, 1);
317
+
if (de_iir & DE_PLANEB_FLIP_DONE) {
318
+
intel_prepare_page_flip(dev, 1);
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319
intel_finish_page_flip(dev, 1);
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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);
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/* check event from PCH */
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if ((de_iir & DE_PCH_EVENT) &&