msm: iommu: Revise GFX3D IOMMU contexts and M2V mappings

Based on recommendations from chip designers,
optimize the Machine ID to translation context
mappings for the 3D core's IOMMU. Remove the
the "gfx3d_smmu" context device, as it is no longer
needed under the new mapping scheme.

Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
[dwalker@codeaurora.org: updated commit text]
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>

diff --git a/arch/arm/mach-msm/devices-msm8x60-iommu.c b/arch/arm/mach-msm/devices-msm8x60-iommu.c
index 9e657e0ee181e8138bc13ebadd6613d2aafd2fe3..22d0c7cb71f6402ba5ab26916f34958e16a68491 100644 (file)
--- a/arch/arm/mach-msm/devices-msm8x60-iommu.c
+++ b/arch/arm/mach-msm/devices-msm8x60-iommu.c
@@ -519,22 +519,17 @@ static struct msm_iommu_ctx_dev vcodec_b_mm2_ctx = {
        .mids = {0, 1, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, -1}
 };
 
-static struct msm_iommu_ctx_dev gfx3d_rbpa_ctx = {
-       .name = "gfx3d_rbpa",
+static struct msm_iommu_ctx_dev gfx3d_user_ctx = {
+       .name = "gfx3d_user",
        .num = 0,
-       .mids = {-1}
+       .mids = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, -1}
 };
 
-static struct msm_iommu_ctx_dev gfx3d_cpvgttc_ctx = {
-       .name = "gfx3d_cpvgttc",
+static struct msm_iommu_ctx_dev gfx3d_priv_ctx = {
+       .name = "gfx3d_priv",
        .num = 1,
-       .mids = {0, 1, 2, 3, 4, 5, 6, 7, -1}
-};
-
-static struct msm_iommu_ctx_dev gfx3d_smmu_ctx = {
-       .name = "gfx3d_smmu",
-       .num = 2,
-       .mids = {8, 9, 10, 11, 12, -1}
+       .mids = {16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
+                31, -1}
 };
 
 static struct msm_iommu_ctx_dev gfx2d0_pixv1_ctx = {
@@ -685,7 +680,7 @@ static struct platform_device msm_device_vcodec_b_mm2_ctx = {
        },
 };
 
-static struct platform_device msm_device_gfx3d_rbpa_ctx = {
+static struct platform_device msm_device_gfx3d_user_ctx = {
        .name = "msm_iommu_ctx",
        .id = 17,
        .dev = {
@@ -693,7 +688,7 @@ static struct platform_device msm_device_gfx3d_rbpa_ctx = {
        },
 };
 
-static struct platform_device msm_device_gfx3d_cpvgttc_ctx = {
+static struct platform_device msm_device_gfx3d_priv_ctx = {
        .name = "msm_iommu_ctx",
        .id = 18,
        .dev = {
@@ -701,17 +696,9 @@ static struct platform_device msm_device_gfx3d_cpvgttc_ctx = {
        },
 };
 
-static struct platform_device msm_device_gfx3d_smmu_ctx = {
-       .name = "msm_iommu_ctx",
-       .id = 19,
-       .dev = {
-               .parent = &msm_device_iommu_gfx3d.dev,
-       },
-};
-
 static struct platform_device msm_device_gfx2d0_pixv1_ctx = {
        .name = "msm_iommu_ctx",
-       .id = 20,
+       .id = 19,
        .dev = {
                .parent = &msm_device_iommu_gfx2d0.dev,
        },
@@ -719,7 +706,7 @@ static struct platform_device msm_device_gfx2d0_pixv1_ctx = {
 
 static struct platform_device msm_device_gfx2d0_texv3_ctx = {
        .name = "msm_iommu_ctx",
-       .id = 21,
+       .id = 20,
        .dev = {
                .parent = &msm_device_iommu_gfx2d0.dev,
        },
@@ -771,9 +758,8 @@ static struct platform_device *msm_iommu_ctx_devs[] = {
        &msm_device_vcodec_a_stream_ctx,
        &msm_device_vcodec_a_mm1_ctx,
        &msm_device_vcodec_b_mm2_ctx,
-       &msm_device_gfx3d_rbpa_ctx,
-       &msm_device_gfx3d_cpvgttc_ctx,
-       &msm_device_gfx3d_smmu_ctx,
+       &msm_device_gfx3d_user_ctx,
+       &msm_device_gfx3d_priv_ctx,
        &msm_device_gfx2d0_pixv1_ctx,
        &msm_device_gfx2d0_texv3_ctx,
 };
@@ -796,9 +782,8 @@ static struct msm_iommu_ctx_dev *msm_iommu_ctx_data[] = {
        &vcodec_a_stream_ctx,
        &vcodec_a_mm1_ctx,
        &vcodec_b_mm2_ctx,
-       &gfx3d_rbpa_ctx,
-       &gfx3d_cpvgttc_ctx,
-       &gfx3d_smmu_ctx,
+       &gfx3d_user_ctx,
+       &gfx3d_priv_ctx,
        &gfx2d0_pixv1_ctx,
        &gfx2d0_texv3_ctx,
 };