[Intel-gfx] [PATCH] drm/i915/ttm: Return some errors instead of trying memcpy move

[Matthew Auld]

On 01/02/2022 07:03, Thomas Hellström wrote:
> The i915_ttm_accel_move() function may return error codes that should
> be propagated further up the stack rather than consumed assuming that
> the accel move failed and could be replaced with a memcpy move.
> 
> For -EINTR, -ERESTARTSYS and -EAGAIN, just propagate those codes, rather
> than retrying with a memcpy move.
> 
> Fixes: 2b0a750caf33 ("drm/i915/ttm: Failsafe migration blits")
> Cc: Matthew Auld <matthew.auld at intel.com>
> Signed-off-by: Thomas Hellström <thomas.hellstrom at linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>