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path: root/drivers/gpu/drm/xe/xe_oa.c
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Diffstat (limited to 'drivers/gpu/drm/xe/xe_oa.c')
-rw-r--r--drivers/gpu/drm/xe/xe_oa.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/gpu/drm/xe/xe_oa.c b/drivers/gpu/drm/xe/xe_oa.c
index eeb96b5f49e2..fa873f3d0a9d 100644
--- a/drivers/gpu/drm/xe/xe_oa.c
+++ b/drivers/gpu/drm/xe/xe_oa.c
@@ -237,7 +237,6 @@ static bool xe_oa_buffer_check_unlocked(struct xe_oa_stream *stream)
u32 tail, hw_tail, partial_report_size, available;
int report_size = stream->oa_buffer.format->size;
unsigned long flags;
- bool pollin;
spin_lock_irqsave(&stream->oa_buffer.ptr_lock, flags);
@@ -282,11 +281,11 @@ static bool xe_oa_buffer_check_unlocked(struct xe_oa_stream *stream)
stream->oa_buffer.tail = tail;
available = xe_oa_circ_diff(stream, stream->oa_buffer.tail, stream->oa_buffer.head);
- pollin = available >= stream->wait_num_reports * report_size;
+ stream->pollin = available >= stream->wait_num_reports * report_size;
spin_unlock_irqrestore(&stream->oa_buffer.ptr_lock, flags);
- return pollin;
+ return stream->pollin;
}
static enum hrtimer_restart xe_oa_poll_check_timer_cb(struct hrtimer *hrtimer)
@@ -294,10 +293,8 @@ static enum hrtimer_restart xe_oa_poll_check_timer_cb(struct hrtimer *hrtimer)
struct xe_oa_stream *stream =
container_of(hrtimer, typeof(*stream), poll_check_timer);
- if (xe_oa_buffer_check_unlocked(stream)) {
- stream->pollin = true;
+ if (xe_oa_buffer_check_unlocked(stream))
wake_up(&stream->poll_wq);
- }
hrtimer_forward_now(hrtimer, ns_to_ktime(stream->poll_period_ns));
@@ -452,6 +449,12 @@ static u32 __oa_ccs_select(struct xe_oa_stream *stream)
return val;
}
+static u32 __oactrl_used_bits(struct xe_oa_stream *stream)
+{
+ return stream->hwe->oa_unit->type == DRM_XE_OA_UNIT_TYPE_OAG ?
+ OAG_OACONTROL_USED_BITS : OAM_OACONTROL_USED_BITS;
+}
+
static void xe_oa_enable(struct xe_oa_stream *stream)
{
const struct xe_oa_format *format = stream->oa_buffer.format;
@@ -472,14 +475,14 @@ static void xe_oa_enable(struct xe_oa_stream *stream)
stream->hwe->oa_unit->type == DRM_XE_OA_UNIT_TYPE_OAG)
val |= OAG_OACONTROL_OA_PES_DISAG_EN;
- xe_mmio_write32(&stream->gt->mmio, regs->oa_ctrl, val);
+ xe_mmio_rmw32(&stream->gt->mmio, regs->oa_ctrl, __oactrl_used_bits(stream), val);
}
static void xe_oa_disable(struct xe_oa_stream *stream)
{
struct xe_mmio *mmio = &stream->gt->mmio;
- xe_mmio_write32(mmio, __oa_regs(stream)->oa_ctrl, 0);
+ xe_mmio_rmw32(mmio, __oa_regs(stream)->oa_ctrl, __oactrl_used_bits(stream), 0);
if (xe_mmio_wait32(mmio, __oa_regs(stream)->oa_ctrl,
OAG_OACONTROL_OA_COUNTER_ENABLE, 0, 50000, NULL, false))
drm_err(&stream->oa->xe->drm,
@@ -2534,6 +2537,8 @@ static void __xe_oa_init_oa_units(struct xe_gt *gt)
u->type = DRM_XE_OA_UNIT_TYPE_OAM;
}
+ xe_mmio_write32(&gt->mmio, u->regs.oa_ctrl, 0);
+
/* Ensure MMIO trigger remains disabled till there is a stream */
xe_mmio_write32(&gt->mmio, u->regs.oa_debug,
oag_configure_mmio_trigger(NULL, false));