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msm: vidc: Configure video context bank for best fit

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With best fit configuration, the probability of getting
a mapping for video buffer increases even when the system
is fragmented.

Change-Id: I8689447ce1341fd1189b543eb9fb6a2e03edcc94
Signed-off-by: Vikash Garodia <vgarodia@codeaurora.org>
This commit is contained in:
Vikash Garodia 2020-06-01 00:50:26 +05:30 • committed by Gerrit - the friendly Code Review server
commit 0db29bbac3
1 changed files with 7 additions and 0 deletions
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7
msm/vidc/msm_vidc_res_parse.c
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@ -4,6 +4,7 @@
*/
#include <linux/iommu.h>
#include <linux/dma-iommu.h>
#include <linux/of.h>
#include <linux/sort.h>
#include "msm_vidc_debug.h"
@ -968,6 +969,12 @@ static int msm_vidc_setup_context_bank(struct msm_vidc_platform_resources *res,
cb->domain = iommu_get_domain_for_dev(cb->dev);
/*
* When memory is fragmented, below configuration increases the
* possibility to get a mapping for buffer in the configured CB.
*/
iommu_dma_enable_best_fit_algo(cb->dev);
/*
* configure device segment size and segment boundary to ensure
* iommu mapping returns one mapping (which is required for partial