1 files changed, 32 insertions, 43 deletions

diff --git a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c
index 8b4cdf95f445..db06c06067ae 100644
--- a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c
@@ -34,7 +34,7 @@ static void a4xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit)
 			break;
 		case MSM_SUBMIT_CMD_CTX_RESTORE_BUF:
 			/* ignore if there has not been a ctx switch: */
-			if (gpu->cur_ctx_seqno == submit->queue->ctx->seqno)
+			if (ring->cur_ctx_seqno == submit->queue->ctx->seqno)
 				break;
 			fallthrough;
 		case MSM_SUBMIT_CMD_BUF:
@@ -251,8 +251,8 @@ static int a4xx_hw_init(struct msm_gpu *gpu)
 		gpu_write(gpu, REG_A4XX_UCHE_CACHE_WAYS_VFD, 0x07);
 
 	/* Disable L2 bypass to avoid UCHE out of bounds errors */
-	gpu_write(gpu, REG_A4XX_UCHE_TRAP_BASE_LO, 0xffff0000);
-	gpu_write(gpu, REG_A4XX_UCHE_TRAP_BASE_HI, 0xffff0000);
+	gpu_write(gpu, REG_A4XX_UCHE_TRAP_BASE_LO, lower_32_bits(adreno_gpu->uche_trap_base));
+	gpu_write(gpu, REG_A4XX_UCHE_TRAP_BASE_HI, upper_32_bits(adreno_gpu->uche_trap_base));
 
 	gpu_write(gpu, REG_A4XX_CP_DEBUG, (1 << 25) |
 			(adreno_is_a420(adreno_gpu) ? (1 << 29) : 0));
@@ -627,37 +627,14 @@ static u32 a4xx_get_rptr(struct msm_gpu *gpu, struct msm_ringbuffer *ring)
 	return ring->memptrs->rptr;
 }
 
-static const struct adreno_gpu_funcs funcs = {
-	.base = {
-		.get_param = adreno_get_param,
-		.set_param = adreno_set_param,
-		.hw_init = a4xx_hw_init,
-		.pm_suspend = a4xx_pm_suspend,
-		.pm_resume = a4xx_pm_resume,
-		.recover = a4xx_recover,
-		.submit = a4xx_submit,
-		.active_ring = adreno_active_ring,
-		.irq = a4xx_irq,
-		.destroy = a4xx_destroy,
-#if defined(CONFIG_DEBUG_FS) || defined(CONFIG_DEV_COREDUMP)
-		.show = adreno_show,
-#endif
-		.gpu_busy = a4xx_gpu_busy,
-		.gpu_state_get = a4xx_gpu_state_get,
-		.gpu_state_put = adreno_gpu_state_put,
-		.create_address_space = adreno_create_address_space,
-		.get_rptr = a4xx_get_rptr,
-	},
-	.get_timestamp = a4xx_get_timestamp,
-};
-
-struct msm_gpu *a4xx_gpu_init(struct drm_device *dev)
+static struct msm_gpu *a4xx_gpu_init(struct drm_device *dev)
 {
 	struct a4xx_gpu *a4xx_gpu = NULL;
 	struct adreno_gpu *adreno_gpu;
 	struct msm_gpu *gpu;
 	struct msm_drm_private *priv = dev->dev_private;
 	struct platform_device *pdev = priv->gpu_pdev;
+	struct adreno_platform_config *config = pdev->dev.platform_data;
 	struct icc_path *ocmem_icc_path;
 	struct icc_path *icc_path;
 	int ret;
@@ -680,7 +657,7 @@ struct msm_gpu *a4xx_gpu_init(struct drm_device *dev)
 	gpu->perfcntrs = NULL;
 	gpu->num_perfcntrs = 0;
 
-	ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs, 1);
+	ret = adreno_gpu_init(dev, pdev, adreno_gpu, config->info->funcs, 1);
 	if (ret)
 		goto fail;
 
@@ -693,20 +670,7 @@ struct msm_gpu *a4xx_gpu_init(struct drm_device *dev)
 	if (ret)
 		goto fail;
 
-	if (!gpu->aspace) {
-		/* TODO we think it is possible to configure the GPU to
-		 * restrict access to VRAM carveout.  But the required
-		 * registers are unknown.  For now just bail out and
-		 * limp along with just modesetting.  If it turns out
-		 * to not be possible to restrict access, then we must
-		 * implement a cmdstream validator.
-		 */
-		DRM_DEV_ERROR(dev->dev, "No memory protection without IOMMU\n");
-		if (!allow_vram_carveout) {
-			ret = -ENXIO;
-			goto fail;
-		}
-	}
+	adreno_gpu->uche_trap_base = 0xffff0000ffff0000ull;
 
 	icc_path = devm_of_icc_get(&pdev->dev, "gfx-mem");
 	if (IS_ERR(icc_path)) {
@@ -739,3 +703,28 @@ fail:
 
 	return ERR_PTR(ret);
 }
+
+const struct adreno_gpu_funcs a4xx_gpu_funcs = {
+	.base = {
+		.get_param = adreno_get_param,
+		.set_param = adreno_set_param,
+		.hw_init = a4xx_hw_init,
+		.pm_suspend = a4xx_pm_suspend,
+		.pm_resume = a4xx_pm_resume,
+		.recover = a4xx_recover,
+		.submit = a4xx_submit,
+		.active_ring = adreno_active_ring,
+		.irq = a4xx_irq,
+		.destroy = a4xx_destroy,
+#if defined(CONFIG_DEBUG_FS) || defined(CONFIG_DEV_COREDUMP)
+		.show = adreno_show,
+#endif
+		.gpu_busy = a4xx_gpu_busy,
+		.gpu_state_get = a4xx_gpu_state_get,
+		.gpu_state_put = adreno_gpu_state_put,
+		.create_vm = adreno_create_vm,
+		.get_rptr = a4xx_get_rptr,
+	},
+	.init = a4xx_gpu_init,
+	.get_timestamp = a4xx_get_timestamp,
+};