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a=ed25519-sha256; t=1763455868; l=1701; i=akhilpo@oss.qualcomm.com; s=20240726; h=from:subject:message-id; bh=U6hCxZZPt/0oNlBV0Loqbw+1ONR49vXzGV9kkJKQhe0=; b=C/pQ042VX0YsNIUePu8RhYDT4KrYwopA1aJuj7t79NKSGb6UQ5wtIm4sVjq3irgGDqFwMiXFh 6bDOXlnFvndDYd0I6mseZ7fkw9MQk6CD38MF/bxLZlvdHiqWoo3qp2V X-Developer-Key: i=akhilpo@oss.qualcomm.com; a=ed25519; pk=lmVtttSHmAUYFnJsQHX80IIRmYmXA4+CzpGcWOOsfKA= X-Authority-Analysis: v=2.4 cv=AKSYvs3t c=1 sm=1 tr=0 ts=691c3395 cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=bBR9okFf-Jgdumx6fEkA:9 a=QEXdDO2ut3YA:10 a=GvdueXVYPmCkWapjIL-Q:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTE4MDA2OSBTYWx0ZWRfXyqIcx8RdmMKi XeJBq6ALFqMP6GyvgyQG9J3uA/wgVAnEs5hW4Qkb6HA07ghZuAsj6Sd+wAl6qtkdoJMN74hySd1 suPGwhMQi/wfOlv9/fVmsC1hTxBpauY67tqTtdE+sCa2FEvhA9/NoiENlqEuOxPAJidQx/+gdVI CPOgc/k+ay2lxzCErjbONFNvDHGmx1jakyEeCLbGf03lDRTCD7BkM4ASi9IIIWLKyXUGbaRahek dUN2uQe3ppp2SQmic4KRQt48adSzRQaeltOIMNlYyI5liH8ugjBs71vSS0lnWFda6xP+nELlu+3 PXkh2a2+8bWuhRHo0ZVQpyVXhT/qWh7W6Ai0WquXqZsibS4ZawZuG/k/nlyclir0NPx4uDjfPia 6e+7v6X2kBcj6fEBK6iU7LJt00lj+w== X-Proofpoint-ORIG-GUID: o952CpgxUTkkkEr3UX-c92exLdMT17xi X-Proofpoint-GUID: o952CpgxUTkkkEr3UX-c92exLdMT17xi X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-17_04,2025-11-13_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 phishscore=0 priorityscore=1501 lowpriorityscore=0 impostorscore=0 bulkscore=0 spamscore=0 adultscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511180069 As per the recommendation, A7x and newer GPUs should flush the LRZ cache before switching the pagetable. Update a6xx_set_pagetable() to do this. While we are at it, sync both BV and BR before issuing a CP_RESET_CONTEXT_STATE command, to match the downstream sequence. Fixes: af66706accdf ("drm/msm/a6xx: Add skeleton A7xx support") Reviewed-by: Konrad Dybcio Signed-off-by: Akhil P Oommen --- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/ad= reno/a6xx_gpu.c index 779c1da7c46d..e6393ef0fd78 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -224,7 +224,7 @@ static void a6xx_set_pagetable(struct a6xx_gpu *a6xx_gp= u, OUT_RING(ring, submit->seqno - 1); =20 OUT_PKT7(ring, CP_THREAD_CONTROL, 1); - OUT_RING(ring, CP_SET_THREAD_BOTH); + OUT_RING(ring, CP_THREAD_CONTROL_0_SYNC_THREADS | CP_SET_THREAD_BOTH); =20 /* Reset state used to synchronize BR and BV */ OUT_PKT7(ring, CP_RESET_CONTEXT_STATE, 1); @@ -235,7 +235,13 @@ static void a6xx_set_pagetable(struct a6xx_gpu *a6xx_g= pu, CP_RESET_CONTEXT_STATE_0_RESET_GLOBAL_LOCAL_TS); =20 OUT_PKT7(ring, CP_THREAD_CONTROL, 1); - OUT_RING(ring, CP_SET_THREAD_BR); + OUT_RING(ring, CP_THREAD_CONTROL_0_SYNC_THREADS | CP_SET_THREAD_BOTH); + + OUT_PKT7(ring, CP_EVENT_WRITE, 1); + OUT_RING(ring, LRZ_FLUSH); + + OUT_PKT7(ring, CP_THREAD_CONTROL, 1); + OUT_RING(ring, CP_THREAD_CONTROL_0_SYNC_THREADS | CP_SET_THREAD_BR); } =20 if (!sysprof) { --=20 2.51.0