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authorQiang Yu <yuq825@gmail.com>2020-04-21 21:35:45 +0800
committerQiang Yu <yuq825@gmail.com>2020-04-24 20:50:51 +0800
commit4eb70cd3f284e200c9e526bdd60ed720d5ab9e5c (patch)
treecfc4f2c4386abe58fa6aaf48739960a8982bf05d /drivers/gpu/drm/lima/lima_mmu.c
parent24943269e51bb6fd2810e71597b675878369e06b (diff)
drm/lima: always set page directory when switch vm
We need to flush TLB anyway before every task start, and the page directory will be set to empty vm after suspend/resume, so always set it to the task vm even no ctx switch happens. Tested-by: Bhushan Shah <bshah@kde.org> Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com> Signed-off-by: Qiang Yu <yuq825@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200421133551.31481-5-yuq825@gmail.com
Diffstat (limited to 'drivers/gpu/drm/lima/lima_mmu.c')
-rw-r--r--drivers/gpu/drm/lima/lima_mmu.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/gpu/drm/lima/lima_mmu.c b/drivers/gpu/drm/lima/lima_mmu.c
index f79d2af427e7..c26b751b0f9d 100644
--- a/drivers/gpu/drm/lima/lima_mmu.c
+++ b/drivers/gpu/drm/lima/lima_mmu.c
@@ -113,8 +113,7 @@ void lima_mmu_switch_vm(struct lima_ip *ip, struct lima_vm *vm)
LIMA_MMU_STATUS, v,
v & LIMA_MMU_STATUS_STALL_ACTIVE);
- if (vm)
- mmu_write(LIMA_MMU_DTE_ADDR, vm->pd.dma);
+ mmu_write(LIMA_MMU_DTE_ADDR, vm->pd.dma);
/* flush the TLB */
mmu_write(LIMA_MMU_COMMAND, LIMA_MMU_COMMAND_ZAP_CACHE);