drm/radeon/kms: add wait idle ioctl for eg->cayman

None of the latest GPUs had this hooked up, this is necessary for
correct operation in a lot of cases, however we should test this on a few
GPUs in these families as we've had problems in this area before.

Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index ca576191d058..d948265db87e 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -782,6 +782,7 @@ static struct radeon_asic evergreen_asic = {
         .hpd_fini = &evergreen_hpd_fini,
         .hpd_sense = &evergreen_hpd_sense,
         .hpd_set_polarity = &evergreen_hpd_set_polarity,
+        .ioctl_wait_idle = r600_ioctl_wait_idle,
         .gui_idle = &r600_gui_idle,
         .pm_misc = &evergreen_pm_misc,
         .pm_prepare = &evergreen_pm_prepare,
@@ -828,6 +829,7 @@ static struct radeon_asic sumo_asic = {
         .hpd_fini = &evergreen_hpd_fini,
         .hpd_sense = &evergreen_hpd_sense,
         .hpd_set_polarity = &evergreen_hpd_set_polarity,
+        .ioctl_wait_idle = r600_ioctl_wait_idle,
         .gui_idle = &r600_gui_idle,
         .pm_misc = &evergreen_pm_misc,
         .pm_prepare = &evergreen_pm_prepare,
@@ -874,6 +876,7 @@ static struct radeon_asic btc_asic = {
         .hpd_fini = &evergreen_hpd_fini,
         .hpd_sense = &evergreen_hpd_sense,
         .hpd_set_polarity = &evergreen_hpd_set_polarity,
+        .ioctl_wait_idle = r600_ioctl_wait_idle,
         .gui_idle = &r600_gui_idle,
         .pm_misc = &evergreen_pm_misc,
         .pm_prepare = &evergreen_pm_prepare,
@@ -920,6 +923,7 @@ static struct radeon_asic cayman_asic = {
         .hpd_fini = &evergreen_hpd_fini,
         .hpd_sense = &evergreen_hpd_sense,
         .hpd_set_polarity = &evergreen_hpd_set_polarity,
+        .ioctl_wait_idle = r600_ioctl_wait_idle,
         .gui_idle = &r600_gui_idle,
         .pm_misc = &evergreen_pm_misc,
         .pm_prepare = &evergreen_pm_prepare,