drm/msm: workaround for missing irq on a306/8x16
Signed-off-by: Rob Clark <robdclark@gmail.com>
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@ -176,6 +176,17 @@ int adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
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OUT_PKT3(ring, CP_INTERRUPT, 1);
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OUT_RING(ring, 0x80000000);
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/* Workaround for missing irq issue on 8x16/a306. Unsure if the
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* root cause is a platform issue or some a306 quirk, but this
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* keeps things humming along:
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*/
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if (adreno_is_a306(adreno_gpu)) {
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OUT_PKT3(ring, CP_WAIT_FOR_IDLE, 1);
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OUT_RING(ring, 0x00000000);
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OUT_PKT3(ring, CP_INTERRUPT, 1);
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OUT_RING(ring, 0x80000000);
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}
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#if 0
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if (adreno_is_a3xx(adreno_gpu)) {
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/* Dummy set-constant to trigger context rollover */
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