1 files changed, 34 insertions, 32 deletions

diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c
index 3249707e6834..b28527a65d09 100644
--- a/drivers/gpu/drm/msm/msm_gpu.c
+++ b/drivers/gpu/drm/msm/msm_gpu.c
@@ -91,21 +91,20 @@ static int disable_pwrrail(struct msm_gpu *gpu)
 
 static int enable_clk(struct msm_gpu *gpu)
 {
-	struct clk *rate_clk = NULL;
 	int i;
 
-	/* NOTE: kgsl_pwrctrl_clk() ignores grp_clks[0].. */
-	for (i = ARRAY_SIZE(gpu->grp_clks) - 1; i > 0; i--) {
-		if (gpu->grp_clks[i]) {
-			clk_prepare(gpu->grp_clks[i]);
-			rate_clk = gpu->grp_clks[i];
-		}
-	}
+	if (gpu->grp_clks[0] && gpu->fast_rate)
+		clk_set_rate(gpu->grp_clks[0], gpu->fast_rate);
 
-	if (rate_clk && gpu->fast_rate)
-		clk_set_rate(rate_clk, gpu->fast_rate);
+	/* Set the RBBM timer rate to 19.2Mhz */
+	if (gpu->grp_clks[2])
+		clk_set_rate(gpu->grp_clks[2], 19200000);
 
-	for (i = ARRAY_SIZE(gpu->grp_clks) - 1; i > 0; i--)
+	for (i = ARRAY_SIZE(gpu->grp_clks) - 1; i >= 0; i--)
+		if (gpu->grp_clks[i])
+			clk_prepare(gpu->grp_clks[i]);
+
+	for (i = ARRAY_SIZE(gpu->grp_clks) - 1; i >= 0; i--)
 		if (gpu->grp_clks[i])
 			clk_enable(gpu->grp_clks[i]);
 
@@ -114,24 +113,22 @@ static int enable_clk(struct msm_gpu *gpu)
 
 static int disable_clk(struct msm_gpu *gpu)
 {
-	struct clk *rate_clk = NULL;
 	int i;
 
-	/* NOTE: kgsl_pwrctrl_clk() ignores grp_clks[0].. */
-	for (i = ARRAY_SIZE(gpu->grp_clks) - 1; i > 0; i--) {
-		if (gpu->grp_clks[i]) {
+	for (i = ARRAY_SIZE(gpu->grp_clks) - 1; i >= 0; i--)
+		if (gpu->grp_clks[i])
 			clk_disable(gpu->grp_clks[i]);
-			rate_clk = gpu->grp_clks[i];
-		}
-	}
-
-	if (rate_clk && gpu->slow_rate)
-		clk_set_rate(rate_clk, gpu->slow_rate);
 
-	for (i = ARRAY_SIZE(gpu->grp_clks) - 1; i > 0; i--)
+	for (i = ARRAY_SIZE(gpu->grp_clks) - 1; i >= 0; i--)
 		if (gpu->grp_clks[i])
 			clk_unprepare(gpu->grp_clks[i]);
 
+	if (gpu->grp_clks[0] && gpu->slow_rate)
+		clk_set_rate(gpu->grp_clks[0], gpu->slow_rate);
+
+	if (gpu->grp_clks[2])
+		clk_set_rate(gpu->grp_clks[2], 0);
+
 	return 0;
 }
 
@@ -528,7 +525,7 @@ void msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
 
 	for (i = 0; i < submit->nr_bos; i++) {
 		struct msm_gem_object *msm_obj = submit->bos[i].obj;
-		uint32_t iova;
+		uint64_t iova;
 
 		/* can't happen yet.. but when we add 2d support we'll have
 		 * to deal w/ cross-ring synchronization:
@@ -563,8 +560,8 @@ static irqreturn_t irq_handler(int irq, void *data)
 }
 
 static const char *clk_names[] = {
-		"src_clk", "core_clk", "iface_clk", "mem_clk", "mem_iface_clk",
-		"alt_mem_iface_clk",
+		"core_clk", "iface_clk", "rbbmtimer_clk", "mem_clk",
+		"mem_iface_clk", "alt_mem_iface_clk",
 };
 
 int msm_gpu_init(struct drm_device *drm, struct platform_device *pdev,
@@ -656,12 +653,17 @@ int msm_gpu_init(struct drm_device *drm, struct platform_device *pdev,
 	 */
 	iommu = iommu_domain_alloc(&platform_bus_type);
 	if (iommu) {
+		/* TODO 32b vs 64b address space.. */
+		iommu->geometry.aperture_start = SZ_16M;
+		iommu->geometry.aperture_end = 0xffffffff;
+
 		dev_info(drm->dev, "%s: using IOMMU\n", name);
-		gpu->mmu = msm_iommu_new(&pdev->dev, iommu);
-		if (IS_ERR(gpu->mmu)) {
-			ret = PTR_ERR(gpu->mmu);
+		gpu->aspace = msm_gem_address_space_create(&pdev->dev,
+				iommu, "gpu");
+		if (IS_ERR(gpu->aspace)) {
+			ret = PTR_ERR(gpu->aspace);
 			dev_err(drm->dev, "failed to init iommu: %d\n", ret);
-			gpu->mmu = NULL;
+			gpu->aspace = NULL;
 			iommu_domain_free(iommu);
 			goto fail;
 		}
@@ -669,7 +671,7 @@ int msm_gpu_init(struct drm_device *drm, struct platform_device *pdev,
 	} else {
 		dev_info(drm->dev, "%s: no IOMMU, fallback to VRAM carveout!\n", name);
 	}
-	gpu->id = msm_register_mmu(drm, gpu->mmu);
+	gpu->id = msm_register_address_space(drm, gpu->aspace);
 
 
 	/* Create ringbuffer: */
@@ -705,8 +707,8 @@ void msm_gpu_cleanup(struct msm_gpu *gpu)
 		msm_ringbuffer_destroy(gpu->rb);
 	}
 
-	if (gpu->mmu)
-		gpu->mmu->funcs->destroy(gpu->mmu);
+	if (gpu->aspace)
+		msm_gem_address_space_destroy(gpu->aspace);
 
 	if (gpu->fctx)
 		msm_fence_context_free(gpu->fctx);