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Commit d1ee0bf9 authored by Harshdeep Dhatt's avatar Harshdeep Dhatt
Browse files

msm: kgsl: Re-define maximum number of cmds for hwscheduling 



HFI messages are only SZ_1K bytes. From this, derive HWSCHED_MAX_NUMIBS
as the number of maximum IBs that can be in a single submission in
hwscheduling.

Change-Id: Id6d5cd2c8130479bc83f731ddd564af8c552e531
Signed-off-by: default avatarHarshdeep Dhatt <hdhatt@codeaurora.org>
parent 8833b6fd

drivers/gpu/msm/adreno_a6xx_hwsched_hfi.h

+5 −0
Original line number Diff line number Diff line
@@ -6,6 +6,11 @@ 
#ifndef _ADRENO_A6XX_HWSCHED_HFI_H_

#define _ADRENO_A6XX_HWSCHED_HFI_H_



/* Maximum number of IBs in a submission */

#define HWSCHED_MAX_NUMIBS \

	((HFI_MAX_MSG_SIZE - offsetof(struct hfi_issue_cmd_cmd, ibs)) \

		/ sizeof(struct hfi_issue_ib))



enum mem_kind {

	/** @MEMKIND_GENERIC: Used for requesting generic memory */

	MEMKIND_GENERIC = 0,

drivers/gpu/msm/adreno_hwsched.c

+17 −0
Original line number Diff line number Diff line
@@ -836,6 +836,23 @@ int adreno_hwsched_queue_cmds(struct kgsl_device_private *dev_priv, 
	if (!count)

		return -EINVAL;



	for (i = 0; i < count; i++) {

		struct kgsl_drawobj_cmd *cmdobj;

		struct kgsl_memobj_node *ib;

		u32 numibs = 0;



		if (drawobj[i]->type != CMDOBJ_TYPE)

			continue;



		cmdobj = CMDOBJ(drawobj[i]);



		list_for_each_entry(ib, &cmdobj->cmdlist, node)

			numibs++;



		if (numibs > HWSCHED_MAX_NUMIBS)

			return -EINVAL;

	}



	ret = _check_context_state(&drawctxt->base);

	if (ret)

		return ret;