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| author | Sagar Arun Kamble <sagar.a.kamble@intel.com> | 2015-08-23 17:52:47 +0530 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-09-23 10:04:06 +0200 |
| commit | 83e3337204b2385d20e149c8fe91bb2719978df2 (patch) | |
| tree | ed97534e4165e09febcd61e5f6cf32530e7f2faf | |
| parent | 23eafea6a9d1faac0588a5275d0c755cb261346e (diff) | |
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>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_uncore.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 440e2a5658af..14d0831c6156 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -27,7 +27,7 @@ #include <linux/pm_runtime.h> -#define FORCEWAKE_ACK_TIMEOUT_MS 2 +#define FORCEWAKE_ACK_TIMEOUT_MS 50 #define __raw_i915_read8(dev_priv__, reg__) readb((dev_priv__)->regs + (reg__)) #define __raw_i915_write8(dev_priv__, reg__, val__) writeb(val__, (dev_priv__)->regs + (reg__)) |