[PATCH] i915/gem: Force HW tracking to exit PSR

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Instead of calling i915_gem_object_invalidate_frontbuffer(),
call i915_gem_object_flush_frontbuffer() which will eventually
call psr_force_hw_tracking_exit(). This will force HW tracking
to exit PSR instead of disabling and re-enabling.

On Gen9 Intel chromebooks, while playing around with Squid software,
after drawing line, line delay was observed.Also can see flash, garbage
and even shaking display sometimes.

With this fix, issues reported were resolved on Gen9 and Gen11 Intel
chromebooks.

Signed-off-by: Gaurav K Singh <gaurav.k.singh@xxxxxxxxx>
---
 drivers/gpu/drm/i915/gem/i915_gem_domain.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_domain.c b/drivers/gpu/drm/i915/gem/i915_gem_domain.c
index 7f76fc68f498..fb1daddde286 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_domain.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_domain.c
@@ -553,7 +553,7 @@ i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
 	i915_gem_object_unlock(obj);
 
 	if (write_domain)
-		i915_gem_object_invalidate_frontbuffer(obj, ORIGIN_CPU);
+		i915_gem_object_flush_frontbuffer(obj, ORIGIN_DIRTYFB);
 
 out_unpin:
 	i915_gem_object_unpin_pages(obj);
-- 
2.27.0-rc2

_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/intel-gfx



[Index of Archives]     [AMD Graphics]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux