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Commit 935e53b2 authored by George Shen's avatar George Shen
Browse files

msm: cvp: Allows concurrent DSP commands handling 



CVP driver can handle DSP2CPU command and CPU2DSP command
at same time.

Change-Id: I2b609896aadd22554e44fb5ecb4a613b70d96903
Signed-off-by: default avatarGeorge Shen <sqiao@codeaurora.org>
parent 66b4463f

drivers/media/platform/msm/cvp/msm_cvp_dsp.c

+12 −4
Original line number Diff line number Diff line
@@ -191,15 +191,23 @@ static int cvp_dsp_rpmsg_callback(struct rpmsg_device *rpdev, 
		return 0;

	}



	if (me->pending_dsp2cpu_rsp.type != CVP_INVALID_RPMSG_TYPE ||

		me->pending_dsp2cpu_cmd.type != CVP_INVALID_RPMSG_TYPE)

		goto exit;



	if (rsp->type < CPU2DSP_MAX_CMD) {

		if (me->pending_dsp2cpu_rsp.type != CVP_INVALID_RPMSG_TYPE) {

			dprintk(CVP_ERR, "%s: CPU2DSP resp %d, pending %d\n",

					__func__, rsp->type,

					me->pending_dsp2cpu_rsp.type);

			goto exit;

		}

		memcpy(&me->pending_dsp2cpu_rsp, rsp,

			sizeof(struct cvp_dsp_rsp_msg));

		complete(&me->completions[rsp->type]);

	} else if (rsp->type < CVP_DSP_MAX_CMD) {

		if (me->pending_dsp2cpu_cmd.type != CVP_INVALID_RPMSG_TYPE) {

			dprintk(CVP_ERR, "%s: DSP2CPU cmd:%d pending %d\n",

					__func__, rsp->type,

					me->pending_dsp2cpu_cmd.type);

			goto exit;

		}

		memcpy(&me->pending_dsp2cpu_cmd, rsp,

			sizeof(struct cvp_dsp2cpu_cmd_msg));

		complete(&me->completions[CPU2DSP_MAX_CMD]);