diff options
Diffstat (limited to 'kernel/gsp_sema_service.c')
| -rw-r--r-- | kernel/gsp_sema_service.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/kernel/gsp_sema_service.c b/kernel/gsp_sema_service.c index 639ca94..2ab1060 100644 --- a/kernel/gsp_sema_service.c +++ b/kernel/gsp_sema_service.c @@ -13528,8 +13528,31 @@ static void svc_decode_stream(struct nv_vgpu_device *vgpu, const u8 *buf, st.line_count = v0; break; case CE_M_PITCH_IN: + /* + * SESSION 153 CONT.9 (r943): the X DDX's per-frame + * present blit pushes PITCH_IN+PITCH_OUT+ + * LINE_LENGTH_IN as ONE count-3 INC run at 0x410 + * (raw witness, h=0x1000013 va=0x120015578: + * `addr=0x410 cnt=3 v0=00001400 v1=00000c80 + * v2=00000c80` = pitch_in 5120, pitch_out 3200, + * line_length 3200, followed by LINE_COUNT 10 at + * 0x41c). Reading only v0 left line_length 0, so + * the transfer-shaped LAUNCH_DMA (dma=0x30d xfer= + * pipelined multi-line) built NO op - both the + * allow-path builder and the r939 denied-copy serve + * gate on st.line_length - and every per-frame + * present copy was dropped (`sema-ldatrace ... + * line=0`). Same batched-run fix as r458 did for + * LINE_LENGTH_IN/LINE_COUNT at 0x418. + */ st.pitch_in = v0 & 0xffffff; st.have_pitch_in = 1; + if (count >= 2) { + st.pitch_out = v1 & 0xffffff; + st.have_pitch_out = 1; + } + if (count >= 3) + st.line_length = v2; break; case CE_M_PITCH_OUT: st.pitch_out = v0 & 0xffffff; |