Merge "msm: ipa: fix hdr table full condition" (afb54992) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/platform/msm/ipa/ipa_v2/ipa_hdr.c

+36 −35

Original line number	Diff line number	Diff line
		@@ -600,12 +600,12 @@ static int __ipa_add_hdr_proc_ctx(struct ipa_hdr_proc_ctx_add *proc_ctx,
		mem_size = (ipa_ctx->hdr_proc_ctx_tbl_lcl) ?
		IPA_MEM_PART(apps_hdr_proc_ctx_size) :
		IPA_MEM_PART(apps_hdr_proc_ctx_size_ddr);
		if (list_empty(&htbl->head_free_offset_list[bin])) {
		if (htbl->end + ipa_hdr_proc_ctx_bin_sz[bin] > mem_size) {
		IPAERR("hdr proc ctx table overflow\n");
		goto bad_len;
		}

		if (list_empty(&htbl->head_free_offset_list[bin])) {
		offset = kmem_cache_zalloc(ipa_ctx->hdr_proc_ctx_offset_cache,
		GFP_KERNEL);
		if (!offset) {
		@@ -711,6 +711,7 @@ static int __ipa_add_hdr(struct ipa_hdr_add *hdr)
		mem_size = (ipa_ctx->hdr_tbl_lcl) ? IPA_MEM_PART(apps_hdr_size) :
		IPA_MEM_PART(apps_hdr_size_ddr);

		if (list_empty(&htbl->head_free_offset_list[bin])) {
		/*
		* if header does not fit to table, place it in DDR
		* This is valid for IPA 2.5 and on,
		@@ -728,13 +729,12 @@ static int __ipa_add_hdr(struct ipa_hdr_add *hdr)
		DMA_TO_DEVICE);
		if (dma_mapping_error(ipa_ctx->pdev,
		entry->phys_base)) {
		IPAERR("dma_map_single failure for entry\n");
		IPAERR("dma_map_single failureed\n");
		goto fail_dma_mapping;
		}
		}
		} else {
		entry->is_hdr_proc_ctx = false;
		if (list_empty(&htbl->head_free_offset_list[bin])) {
		offset = kmem_cache_zalloc(ipa_ctx->hdr_offset_cache,
		GFP_KERNEL);
		if (!offset) {
		@@ -751,14 +751,15 @@ static int __ipa_add_hdr(struct ipa_hdr_add *hdr)
		htbl->end += ipa_hdr_bin_sz[bin];
		list_add(&offset->link,
		&htbl->head_offset_list[bin]);
		entry->offset_entry = offset;
		}
		} else {
		entry->is_hdr_proc_ctx = false;
		/* get the first free slot */
		offset =
		list_first_entry(&htbl->head_free_offset_list[bin],
		struct ipa_hdr_offset_entry, link);
		list_move(&offset->link, &htbl->head_offset_list[bin]);
		}

		entry->offset_entry = offset;
		}

drivers/platform/msm/ipa/ipa_v3/ipa_hdr.c

+27 −26

Original line number	Diff line number	Diff line
		@@ -374,12 +374,12 @@ static int __ipa_add_hdr_proc_ctx(struct ipa_hdr_proc_ctx_add *proc_ctx,
		mem_size = (ipa3_ctx->hdr_proc_ctx_tbl_lcl) ?
		IPA_MEM_PART(apps_hdr_proc_ctx_size) :
		IPA_MEM_PART(apps_hdr_proc_ctx_size_ddr);
		if (list_empty(&htbl->head_free_offset_list[bin])) {
		if (htbl->end + ipa_hdr_proc_ctx_bin_sz[bin] > mem_size) {
		IPAERR("hdr proc ctx table overflow\n");
		goto bad_len;
		}

		if (list_empty(&htbl->head_free_offset_list[bin])) {
		offset = kmem_cache_zalloc(ipa3_ctx->hdr_proc_ctx_offset_cache,
		GFP_KERNEL);
		if (!offset) {
		@@ -484,6 +484,7 @@ static int __ipa_add_hdr(struct ipa_hdr_add *hdr)
		mem_size = (ipa3_ctx->hdr_tbl_lcl) ? IPA_MEM_PART(apps_hdr_size) :
		IPA_MEM_PART(apps_hdr_size_ddr);

		if (list_empty(&htbl->head_free_offset_list[bin])) {
		/* if header does not fit to table, place it in DDR */
		if (htbl->end + ipa_hdr_bin_sz[bin] > mem_size) {
		entry->is_hdr_proc_ctx = true;
		@@ -491,13 +492,13 @@ static int __ipa_add_hdr(struct ipa_hdr_add *hdr)
		entry->hdr,
		entry->hdr_len,
		DMA_TO_DEVICE);
		if (dma_mapping_error(ipa3_ctx->pdev, entry->phys_base)) {
		if (dma_mapping_error(ipa3_ctx->pdev,
		entry->phys_base)) {
		IPAERR("dma_map_single failure for entry\n");
		goto fail_dma_mapping;
		}
		} else {
		entry->is_hdr_proc_ctx = false;
		if (list_empty(&htbl->head_free_offset_list[bin])) {
		offset = kmem_cache_zalloc(ipa3_ctx->hdr_offset_cache,
		GFP_KERNEL);
		if (!offset) {
		@@ -514,14 +515,14 @@ static int __ipa_add_hdr(struct ipa_hdr_add *hdr)
		htbl->end += ipa_hdr_bin_sz[bin];
		list_add(&offset->link,
		&htbl->head_offset_list[bin]);
		entry->offset_entry = offset;
		}
		} else {
		entry->is_hdr_proc_ctx = false;
		/* get the first free slot */
		offset =
		list_first_entry(&htbl->head_free_offset_list[bin],
		offset = list_first_entry(&htbl->head_free_offset_list[bin],
		struct ipa_hdr_offset_entry, link);
		list_move(&offset->link, &htbl->head_offset_list[bin]);
		}

		entry->offset_entry = offset;
		}