radeon: workaround pinning failure on low ram gpu
authorJerome Glisse <jglisse@redhat.com>
Tue, 12 Nov 2013 15:51:16 +0000 (10:51 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 15 Nov 2013 20:29:33 +0000 (15:29 -0500)
commit97b6ff6be9da7675aab339334fda996d6c5077d9
tree717bf1938ad3eba008d734246baa20b68fa5ab68
parentfae009d15a44e5f1d938340facf4b8bc7dc69a09
radeon: workaround pinning failure on low ram gpu

GPU with low amount of ram can fails at pinning new framebuffer before
unpinning old one. On such failure, retry with unpinning old one before
pinning new one allowing to work around the issue. This is somewhat
ugly but only affect those old GPU we care about.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drivers/gpu/drm/radeon/radeon_legacy_crtc.c