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Commit b07f9b02 authored by Abhilash Kumar's avatar Abhilash Kumar Committed by Gerrit - the friendly Code Review server
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msm: kgsl: Add commandline option to boot with no GMU 



Add a module parameter to disable GMU during boot. This module
parameter allows GMU to be disabled with the commandline option
set during bootup time.

Change-Id: Ie1ca293cd24bf065e17369dfa25390d859ce9994
Signed-off-by: default avatarAbhilash Kumar <krabhi@codeaurora.org>
parent 1a60f3f6

drivers/gpu/msm/kgsl_gmu.c

+10 −2
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ 
 * GNU General Public License for more details.

 *

 */

#include <linux/module.h>

#include <linux/types.h>

#include <linux/device.h>

#include <linux/iommu.h>
@@ -25,6 +26,13 @@ 
#include "a6xx_reg.h"

#include "adreno.h"



#undef MODULE_PARAM_PREFIX

#define MODULE_PARAM_PREFIX "kgsl_gmu."



static bool nogmu;

module_param(nogmu, bool, 0444);

MODULE_PARM_DESC(nogmu, "Disable the GMU");



#define GMU_CONTEXT_USER		0

#define GMU_CONTEXT_KERNEL		1

#define GMU_KERNEL_ENTRIES		8
@@ -109,9 +117,9 @@ bool kgsl_gmu_isenabled(struct kgsl_device *device) 
	struct gmu_device *gmu = &device->gmu;

	struct adreno_device *adreno_dev = ADRENO_DEVICE(device);



	if (gmu->pdev && ADRENO_FEATURE(adreno_dev, ADRENO_GPMU))

	if (!nogmu && gmu->pdev &&

		ADRENO_FEATURE(adreno_dev, ADRENO_GPMU))

		return true;



	return false;

}