Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit a1201053 authored by Changbin Du's avatar Changbin Du Committed by Zhenyu Wang
Browse files

drm/i915/gvt: fix error handing of tlb_control emulation 



Return ealier for a invalid access, else it would false set
tlb flag for RCS.

Signed-off-by: default avatarChangbin Du <changbin.du@intel.com>
Signed-off-by: default avatarZhenyu Wang <zhenyuw@linux.intel.com>
parent 3e70c5d6

drivers/gpu/drm/i915/gvt/handlers.c

+2 −4
Original line number Diff line number Diff line
@@ -1367,7 +1367,6 @@ static int ring_mode_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, 
static int gvt_reg_tlb_control_handler(struct intel_vgpu *vgpu,

		unsigned int offset, void *p_data, unsigned int bytes)

{

	int rc = 0;

	unsigned int id = 0;



	write_vreg(vgpu, offset, p_data, bytes);
@@ -1390,12 +1389,11 @@ static int gvt_reg_tlb_control_handler(struct intel_vgpu *vgpu, 
		id = VECS;

		break;

	default:

		rc = -EINVAL;

		break;

		return -EINVAL;

	}

	set_bit(id, (void *)vgpu->tlb_handle_pending);



	return rc;

	return 0;

}



static int ring_reset_ctl_write(struct intel_vgpu *vgpu,