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Commit 301bfe0f authored by Deepak Kumar's avatar Deepak Kumar Committed by Gerrit - the friendly Code Review server
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msm: kgsl: Add support for low memory GPU memory pool configuration 



This change adds support to read low memory pool configuration if
device memory is less than 2GB. This is needed to optimize memory
footprint for targets which has SKUs with less than or equal to
2GB memory.

Change-Id: Ide733c792f7571d3db862a49cdf9cc73a3e94d1e
Signed-off-by: default avatarDeepak Kumar <dkumar@codeaurora.org>
parent 6e224259

drivers/gpu/msm/kgsl_pool.c

+16 −2
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ 
#include <linux/highmem.h>

#include <linux/of.h>

#include <linux/scatterlist.h>

#include <linux/swap.h>



#include "kgsl_device.h"

#include "kgsl_pool.h"
@@ -567,9 +568,22 @@ static void kgsl_of_parse_mempools(struct device_node *node) 


static void kgsl_of_get_mempools(struct device_node *parent)

{

	struct device_node *node;

	struct device_node *node = NULL;



	/*

	 * If available memory is less than 2GB first

	 * check for low memory pool configuration. If

	 * low memory configuration is not specified

	 * then fallback to default pool configuration.

	 */

	if (totalram_pages < (SZ_2G >> PAGE_SHIFT))

		node = of_find_compatible_node(parent, NULL,

				"qcom,gpu-mempools-lowmem");



	if (node == NULL)

		node = of_find_compatible_node(parent, NULL,

				"qcom,gpu-mempools");



	node = of_find_compatible_node(parent, NULL, "qcom,gpu-mempools");

	if (node != NULL) {

		/* Get Max pages limit for mempool */

		of_property_read_u32(node, "qcom,mempool-max-pages",