Merge "msm: mdss: carve out memory for framebuffer"
diff --git a/arch/arm/boot/dts/msm8974-mdss.dtsi b/arch/arm/boot/dts/msm8974-mdss.dtsi
index ee5836c..ca98706 100644
--- a/arch/arm/boot/dts/msm8974-mdss.dtsi
+++ b/arch/arm/boot/dts/msm8974-mdss.dtsi
@@ -18,6 +18,8 @@
reg-names = "mdp_phys", "vbif_phys";
interrupts = <0 72 0>;
vdd-supply = <&gdsc_mdss>;
+ qcom,memory-reservation-type = "EBI1"; /* reserve EBI memory */
+ qcom,memory-reservation-size = <0x800000>; /* size 8MB */
};
mdss_dsi: qcom,mdss_dsi@fd922800 {
diff --git a/drivers/video/msm/mdss/mdss_fb.c b/drivers/video/msm/mdss/mdss_fb.c
index efb4da6..9f29887 100644
--- a/drivers/video/msm/mdss/mdss_fb.c
+++ b/drivers/video/msm/mdss/mdss_fb.c
@@ -42,6 +42,9 @@
#include <linux/vmalloc.h>
#include <mach/board.h>
+#include <mach/memory.h>
+#include <mach/msm_memtypes.h>
+#include <mach/iommu_domains.h>
#include "mdss_fb.h"
#include "mdss_mdp.h"
@@ -596,37 +599,17 @@
size *= mfd->fb_page;
if (mfd->index == 0) {
- struct ion_client *iclient = mdss_get_ionclient();
-
- if (iclient) {
- mfd->ihdl = ion_alloc(iclient, size, SZ_4K,
- ION_HEAP(ION_CP_MM_HEAP_ID) |
- ION_HEAP(ION_SF_HEAP_ID), 0);
- if (IS_ERR_OR_NULL(mfd->ihdl)) {
- pr_err("unable to alloc fbmem from ion (%p)\n",
- mfd->ihdl);
- return -ENOMEM;
- }
-
- virt = ion_map_kernel(iclient, mfd->ihdl);
- ion_phys(iclient, mfd->ihdl, &phys, &size);
-
- if (is_mdss_iommu_attached()) {
- ion_map_iommu(iclient, mfd->ihdl,
- mdss_get_iommu_domain(),
- 0, SZ_4K, 0, &mfd->iova,
- (unsigned long *) &size,
- 0, 0);
- }
- } else {
- virt = dma_alloc_coherent(NULL, size,
- (dma_addr_t *) &phys, GFP_KERNEL);
- if (!virt) {
- pr_err("unable to alloc fbmem size=%u\n", size);
- return -ENOMEM;
- }
+ virt = allocate_contiguous_memory(size, MEMTYPE_EBI1, SZ_1M, 0);
+ if (!virt) {
+ pr_err("unable to alloc fbmem size=%u\n", size);
+ return -ENOMEM;
}
-
+ phys = memory_pool_node_paddr(virt);
+ if (is_mdss_iommu_attached()) {
+ msm_iommu_map_contig_buffer(phys,
+ mdss_get_iommu_domain(), 0, size, SZ_4K, 0,
+ &(mfd->iova));
+ }
pr_info("allocating %u bytes at %p (%lx phys) for fb %d\n",
size, virt, phys, mfd->index);
} else {
diff --git a/drivers/video/msm/mdss/mdss_mdp.c b/drivers/video/msm/mdss/mdss_mdp.c
index 4f641cc..0f6cfe9 100644
--- a/drivers/video/msm/mdss/mdss_mdp.c
+++ b/drivers/video/msm/mdss/mdss_mdp.c
@@ -1081,8 +1081,10 @@
static const struct of_device_id mdss_mdp_dt_match[] = {
{ .compatible = "qcom,mdss_mdp",},
+ {}
};
MODULE_DEVICE_TABLE(of, mdss_mdp_dt_match);
+EXPORT_COMPAT("qcom,mdss_mdp");
static struct platform_driver mdss_mdp_driver = {
.probe = mdss_mdp_probe,