[PATCH] drm/i915/gvt: add 2 new MMIO to cmd_access white list

Pei Zhang pei.zhang at intel.com
Fri Feb 17 17:18:55 UTC 2017


Guest is now acces 2 MMIO (0x215c, 0x20c0) through command which is not
originally in gvt's white list. This cause huge error log printed in gvt.
This patch addes these 2 MMIO to the white list.

V2. change the commit message content.

Signed-off-by: Pei Zhang <pei.zhang at intel.com>
---
 drivers/gpu/drm/i915/gvt/handlers.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index 1d45062..baf3d62 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -2160,7 +2160,8 @@ static int init_generic_mmio_info(struct intel_gvt *gvt)
 
 	MMIO_D(0x44070, D_ALL);
 
-	MMIO_D(0x215c, D_HSW_PLUS);
+	MMIO_DFH(0x215c, D_HSW_PLUS, F_CMD_ACCESS, NULL, NULL);
+	MMIO_DFH(0x20c0, D_HSW_PLUS, F_CMD_ACCESS, NULL, NULL);
 	MMIO_DFH(0x2178, D_ALL, F_CMD_ACCESS, NULL, NULL);
 	MMIO_DFH(0x217c, D_ALL, F_CMD_ACCESS, NULL, NULL);
 	MMIO_DFH(0x12178, D_ALL, F_CMD_ACCESS, NULL, NULL);
-- 
2.7.4



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