| Message ID | 1426759996-15485-1-git-send-email-luis.henriques@canonical.com |
|---|---|
| State | New |
| Headers | show |
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index f898ed31cffb..574d1f4ec7e5 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -7185,6 +7185,9 @@ int cik_irq_set(struct radeon_device *rdev) WREG32(DC_HPD5_INT_CONTROL, hpd5); WREG32(DC_HPD6_INT_CONTROL, hpd6); + /* posting read */ + RREG32(SRBM_STATUS); + return 0; }
This is a note to let you know that I have just added a patch titled drm/radeon: do a posting read in cik_set_irq to the linux-3.16.y-queue branch of the 3.16.y-ckt extended stable tree which can be found at: http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.16.y-queue This patch is scheduled to be released in version 3.16.7-ckt9. If you, or anyone else, feels it should not be added to this tree, please reply to this email. For more information about the 3.16.y-ckt tree, see https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable Thanks. -Luis ------ From ed9becce235215bd152156c1ba2e126d115061c0 Mon Sep 17 00:00:00 2001 From: Alex Deucher <alexander.deucher@amd.com> Date: Mon, 2 Mar 2015 20:45:24 -0500 Subject: drm/radeon: do a posting read in cik_set_irq commit cffefd9bb31cd35ab745d3b49005d10616d25bdc upstream. To make sure the writes go through the pci bridge. bug: https://bugzilla.kernel.org/show_bug.cgi?id=90741 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Luis Henriques <luis.henriques@canonical.com> --- drivers/gpu/drm/radeon/cik.c | 3 +++ 1 file changed, 3 insertions(+)