diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_uvd.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_uvd.c | 58 |
1 files changed, 51 insertions, 7 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c index b79f4f5cdd62..1a01bbff9bfa 100644 --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c @@ -147,6 +147,7 @@ int radeon_uvd_init(struct radeon_device *rdev) for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) { atomic_set(&rdev->uvd.handles[i], 0); rdev->uvd.filp[i] = NULL; + rdev->uvd.img_size[i] = 0; } return 0; @@ -347,6 +348,7 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo, unsigned offset, unsigned buf_sizes[]) { int32_t *msg, msg_type, handle; + unsigned img_size = 0; void *ptr; int i, r; @@ -383,6 +385,8 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo, if (msg_type == 1) { /* it's a decode msg, calc buffer sizes */ r = radeon_uvd_cs_msg_decode(msg, buf_sizes); + /* calc image size (width * height) */ + img_size = msg[6] * msg[7]; radeon_bo_kunmap(bo); if (r) return r; @@ -394,6 +398,8 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo, radeon_bo_kunmap(bo); return 0; } else { + /* it's a create msg, calc image size (width * height) */ + img_size = msg[7] * msg[8]; radeon_bo_kunmap(bo); if (msg_type != 0) { @@ -414,6 +420,7 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo, for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) { if (!atomic_cmpxchg(&p->rdev->uvd.handles[i], 0, handle)) { p->rdev->uvd.filp[i] = p->filp; + p->rdev->uvd.img_size[i] = img_size; return 0; } } @@ -733,6 +740,34 @@ int radeon_uvd_get_destroy_msg(struct radeon_device *rdev, int ring, return radeon_uvd_send_msg(rdev, ring, bo, fence); } +/** + * radeon_uvd_count_handles - count number of open streams + * + * @rdev: radeon_device pointer + * @sd: number of SD streams + * @hd: number of HD streams + * + * Count the number of open SD/HD streams as a hint for power mangement + */ +static void radeon_uvd_count_handles(struct radeon_device *rdev, + unsigned *sd, unsigned *hd) +{ + unsigned i; + + *sd = 0; + *hd = 0; + + for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) { + if (!atomic_read(&rdev->uvd.handles[i])) + continue; + + if (rdev->uvd.img_size[i] >= 720*576) + ++(*hd); + else + ++(*sd); + } +} + static void radeon_uvd_idle_work_handler(struct work_struct *work) { struct radeon_device *rdev = @@ -740,10 +775,7 @@ static void radeon_uvd_idle_work_handler(struct work_struct *work) if (radeon_fence_count_emitted(rdev, R600_RING_TYPE_UVD_INDEX) == 0) { if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) { - mutex_lock(&rdev->pm.mutex); - rdev->pm.dpm.uvd_active = false; - mutex_unlock(&rdev->pm.mutex); - radeon_pm_compute_clocks(rdev); + radeon_dpm_enable_uvd(rdev, false); } else { radeon_set_uvd_clocks(rdev, 0, 0); } @@ -755,13 +787,25 @@ static void radeon_uvd_idle_work_handler(struct work_struct *work) void radeon_uvd_note_usage(struct radeon_device *rdev) { + bool streams_changed = false; bool set_clocks = !cancel_delayed_work_sync(&rdev->uvd.idle_work); set_clocks &= schedule_delayed_work(&rdev->uvd.idle_work, msecs_to_jiffies(UVD_IDLE_TIMEOUT_MS)); - if (set_clocks) { + + if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) { + unsigned hd = 0, sd = 0; + radeon_uvd_count_handles(rdev, &sd, &hd); + if ((rdev->pm.dpm.sd != sd) || + (rdev->pm.dpm.hd != hd)) { + rdev->pm.dpm.sd = sd; + rdev->pm.dpm.hd = hd; + streams_changed = true; + } + } + + if (set_clocks || streams_changed) { if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) { - /* XXX pick SD/HD/MVC */ - radeon_dpm_enable_power_state(rdev, POWER_STATE_TYPE_INTERNAL_UVD); + radeon_dpm_enable_uvd(rdev, true); } else { radeon_set_uvd_clocks(rdev, 53300, 40000); } |