summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/radeon/radeon_pm.c
diff options
context:
space:
mode:
authorAlex Deucher <alexdeucher@gmail.com>2010-04-22 12:52:11 -0400
committerDave Airlie <airlied@redhat.com>2010-05-18 18:20:49 +1000
commit2031f77ca9c17133869b265210418959a909d259 (patch)
tree21fc2aedea8f3c80c4de1d7b1168479bc7a1ce98 /drivers/gpu/drm/radeon/radeon_pm.c
parentdef9ba9cf6a8266ee1ffd72556db002c3a2663db (diff)
drm/radeon/kms: add support for gui idle interrupts (v4)
Useful for certain power management operations. You need to wait for the GUI engine (2D, 3D, CP, etc.) to be idle before changing clocks or adjusting engine parameters. (v2) Fix gui idle enable on pre-r6xx asics (v3) The gui idle interrrupt status bit is permanently asserted on pre-r6xx chips, but the interrrupt is still generated. workaround it in the driver. (v4) Add support for evergreen Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_pm.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index a4b57493aa78..6dfeb9cf16ba 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -27,6 +27,7 @@
#define RADEON_IDLE_LOOP_MS 100
#define RADEON_RECLOCK_DELAY_MS 200
#define RADEON_WAIT_VBLANK_TIMEOUT 200
+#define RADEON_WAIT_IDLE_TIMEOUT 200
static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish);
static void radeon_pm_set_clocks_locked(struct radeon_device *rdev);