gpu: nvgpu: add notifier for pbcrc mismatch

Add below notifier for pbcrc mismatch
NVGPU_CHANNEL_PBDMA_PUSHBUFFER_CRC_MISMATCH

And use this notifier value when we have
pbdma pbcrc interrupt pending

Bug 200179981

Change-Id: I289351e990afb0a4e002902881b99023530f6443
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1156210
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 9 insertions, 3 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
index 16ca16d8..92536b36 100644
--- a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
@@ -1689,6 +1689,7 @@ static u32 gk20a_fifo_handle_pbdma_intr(struct device *dev,
         u32 pbdma_intr_0 = gk20a_readl(g, pbdma_intr_0_r(pbdma_id));
         u32 pbdma_intr_1 = gk20a_readl(g, pbdma_intr_1_r(pbdma_id));
         u32 handled = 0;
+        u32 error_notifier = NVGPU_CHANNEL_PBDMA_ERROR;
         bool reset = false;
         int i;
 
@@ -1740,6 +1741,12 @@ static u32 gk20a_fifo_handle_pbdma_intr(struct device *dev,
                         reset = true;
                 }
 
+                if (pbdma_intr_0 & pbdma_intr_0_pbcrc_pending_f()) {
+                        error_notifier =
+                                NVGPU_CHANNEL_PBDMA_PUSHBUFFER_CRC_MISMATCH;
+                        reset = true;
+                }
+
                 if (pbdma_intr_0 & pbdma_intr_0_device_pending_f()) {
                         gk20a_fifo_reset_pbdma_header(g, pbdma_id);
 
@@ -1773,8 +1780,7 @@ static u32 gk20a_fifo_handle_pbdma_intr(struct device *dev,
                         struct channel_gk20a *ch = &f->channel[id];
 
                         if (gk20a_channel_get(ch)) {
-                                gk20a_set_error_notifier(ch,
-                                                NVGPU_CHANNEL_PBDMA_ERROR);
+                                gk20a_set_error_notifier(ch, error_notifier);
                                 gk20a_fifo_recover_ch(g, id, true);
                                 gk20a_channel_put(ch);
                         }
@@ -1787,7 +1793,7 @@ static u32 gk20a_fifo_handle_pbdma_intr(struct device *dev,
                         list_for_each_entry(ch, &tsg->ch_list, ch_entry) {
                                 if (gk20a_channel_get(ch)) {
                                         gk20a_set_error_notifier(ch,
-                                                NVGPU_CHANNEL_PBDMA_ERROR);
+                                                error_notifier);
                                         gk20a_channel_put(ch);
                                 }
                         }