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Commit 47fcdce2 authored by Inki Dae's avatar Inki Dae
Browse files

drm/exynos: set buffer type from exporter. 



when fd is imported to gem, whether the memory type from exporter
is contigous or not should be set to gem flag so that drm-based
driver can aware of the memory type.

Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
parent c62bc752

drivers/gpu/drm/exynos/exynos_drm_dmabuf.c

+20 −7
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 


#include "drmP.h"

#include "drm.h"

#include "exynos_drm.h"

#include "exynos_drm_drv.h"

#include "exynos_drm_gem.h"
@@ -190,7 +191,7 @@ struct drm_gem_object *exynos_dmabuf_prime_import(struct drm_device *drm_dev, 
	struct exynos_drm_gem_obj *exynos_gem_obj;

	struct exynos_drm_gem_buf *buffer;

	struct page *page;

	int ret, i = 0;

	int ret;



	DRM_DEBUG_PRIME("%s\n", __FILE__);
@@ -240,8 +241,17 @@ struct drm_gem_object *exynos_dmabuf_prime_import(struct drm_device *drm_dev, 
	}



	sgl = sgt->sgl;

	buffer->dma_addr = sg_dma_address(sgl);



	if (sgt->nents == 1) {

		buffer->dma_addr = sg_dma_address(sgt->sgl);

		buffer->size = sg_dma_len(sgt->sgl);



		/* always physically continuous memory if sgt->nents is 1. */

		exynos_gem_obj->flags |= EXYNOS_BO_CONTIG;

	} else {

		unsigned int i = 0;



		buffer->dma_addr = sg_dma_address(sgl);

		while (i < sgt->nents) {

			buffer->pages[i] = sg_page(sgl);

			buffer->size += sg_dma_len(sgl);
@@ -249,6 +259,9 @@ struct drm_gem_object *exynos_dmabuf_prime_import(struct drm_device *drm_dev, 
			i++;

		}



		exynos_gem_obj->flags |= EXYNOS_BO_NONCONTIG;

	}



	exynos_gem_obj->buffer = buffer;

	buffer->sgt = sgt;

	exynos_gem_obj->base.import_attach = attach;