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authorAlex Deucher <alexdeucher@gmail.com>2010-04-29 16:14:02 -0400
committerDave Airlie <airlied@redhat.com>2010-05-18 18:21:38 +1000
commit4f3218cbc34f4ffd88f4b3ea0d2f6999aea7b3e6 (patch)
tree7c60209262c0e9fcd4a39e44847dba484f1aba70 /drivers/gpu/drm/radeon/radeon_pm.c
parentf4b7fb94c576265ceffc43031805ade32fa80c6a (diff)
drm/radeon/kms: re-enable gui idle interrupts on r6xx+
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.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 2eb675e7844..bded834afa5 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -64,17 +64,19 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch)
mutex_lock(&rdev->ddev->struct_mutex);
mutex_lock(&rdev->vram_mutex);
mutex_lock(&rdev->cp.mutex);
-#if 0
- /* wait for GPU idle */
- rdev->pm.gui_idle = false;
- rdev->irq.gui_idle = true;
- radeon_irq_set(rdev);
- wait_event_interruptible_timeout(
- rdev->irq.idle_queue, rdev->pm.gui_idle,
- msecs_to_jiffies(RADEON_WAIT_IDLE_TIMEOUT));
- rdev->irq.gui_idle = false;
- radeon_irq_set(rdev);
-#endif
+
+ /* gui idle int has issues on older chips it seems */
+ if (rdev->family >= CHIP_R600) {
+ /* wait for GPU idle */
+ rdev->pm.gui_idle = false;
+ rdev->irq.gui_idle = true;
+ radeon_irq_set(rdev);
+ wait_event_interruptible_timeout(
+ rdev->irq.idle_queue, rdev->pm.gui_idle,
+ msecs_to_jiffies(RADEON_WAIT_IDLE_TIMEOUT));
+ rdev->irq.gui_idle = false;
+ radeon_irq_set(rdev);
+ }
radeon_unmap_vram_bos(rdev);
if (!static_switch) {