forked from Minki/linux
drm/i915: Increase maximum polling time to 50ms for forcewake request/clear ack
On BXT, We Observe timeout for forcewake request completion with 2ms polling period as given here: [drm:fw_domains_get] ERROR render: timed out waiting for forcewake ack request. Polling for 50ms is recommended to avoid these timeouts. Change-Id: Ie715b0069a3049606e9602bc5e97a6511890864d Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@intel.com> Reviewed by: Alex Dai <yu.dai@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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@ -27,7 +27,7 @@
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#include <linux/pm_runtime.h>
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#include <linux/pm_runtime.h>
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#define FORCEWAKE_ACK_TIMEOUT_MS 2
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#define FORCEWAKE_ACK_TIMEOUT_MS 50
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#define __raw_i915_read8(dev_priv__, reg__) readb((dev_priv__)->regs + (reg__))
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#define __raw_i915_read8(dev_priv__, reg__) readb((dev_priv__)->regs + (reg__))
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#define __raw_i915_write8(dev_priv__, reg__, val__) writeb(val__, (dev_priv__)->regs + (reg__))
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#define __raw_i915_write8(dev_priv__, reg__, val__) writeb(val__, (dev_priv__)->regs + (reg__))
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