diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0683-staging-vcsm-cma-Remove-cache-manipulation-ioctl-fro.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0683-staging-vcsm-cma-Remove-cache-manipulation-ioctl-fro.patch | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0683-staging-vcsm-cma-Remove-cache-manipulation-ioctl-fro.patch b/target/linux/brcm2708/patches-4.19/950-0683-staging-vcsm-cma-Remove-cache-manipulation-ioctl-fro.patch deleted file mode 100644 index 7463d0750c..0000000000 --- a/target/linux/brcm2708/patches-4.19/950-0683-staging-vcsm-cma-Remove-cache-manipulation-ioctl-fro.patch +++ /dev/null @@ -1,78 +0,0 @@ -From b30537425b4bf90311b8d43c95484d9d339be25f Mon Sep 17 00:00:00 2001 -From: Dave Stevenson <dave.stevenson@raspberrypi.org> -Date: Tue, 25 Jun 2019 00:29:44 +0100 -Subject: [PATCH 683/806] staging: vcsm-cma: Remove cache manipulation ioctl - from ARM64 - -The cache flushing ioctls are used by the Pi3 HEVC hw-assisted -decoder as it needs finer grained flushing control than dma_ops -allow. -These cache calls are not present for ARM64, therefore disable -them. We are not actively supporting 64bit kernels at present, -and the use case of the HEVC decoder is fairly limited. - -Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org> ---- - drivers/staging/vc04_services/vc-sm-cma/vc_sm.c | 8 ++++++++ - 1 file changed, 8 insertions(+) - ---- a/drivers/staging/vc04_services/vc-sm-cma/vc_sm.c -+++ b/drivers/staging/vc04_services/vc-sm-cma/vc_sm.c -@@ -1259,6 +1259,7 @@ error: - return ret; - } - -+#ifndef CONFIG_ARM64 - /* Converts VCSM_CACHE_OP_* to an operating function. */ - static void (*cache_op_to_func(const unsigned int cache_op)) - (const void*, const void*) -@@ -1351,6 +1352,7 @@ out: - - return ret; - } -+#endif - - static long vc_sm_cma_ioctl(struct file *file, unsigned int cmd, - unsigned long arg) -@@ -1448,6 +1450,7 @@ static long vc_sm_cma_ioctl(struct file - break; - } - -+#ifndef CONFIG_ARM64 - /* - * Flush/Invalidate the cache for a given mapping. - * Blocks must be pinned (i.e. accessed) before this call. -@@ -1455,6 +1458,7 @@ static long vc_sm_cma_ioctl(struct file - case VC_SM_CMA_CMD_CLEAN_INVALID2: - ret = vc_sm_cma_clean_invalid2(cmdnr, arg); - break; -+#endif - - default: - pr_debug("[%s]: cmd %x tgid %u, owner %u\n", __func__, cmdnr, -@@ -1467,6 +1471,7 @@ static long vc_sm_cma_ioctl(struct file - return ret; - } - -+#ifndef CONFIG_ARM64 - #ifdef CONFIG_COMPAT - struct vc_sm_cma_ioctl_clean_invalid2_32 { - u32 op_count; -@@ -1496,14 +1501,17 @@ static long vc_sm_cma_compat_ioctl(struc - } - } - #endif -+#endif - - /* Device operations that we managed in this driver. */ - static const struct file_operations vc_sm_ops = { - .owner = THIS_MODULE, - .unlocked_ioctl = vc_sm_cma_ioctl, -+#ifndef CONFIG_ARM64 - #ifdef CONFIG_COMPAT - .compat_ioctl = vc_sm_cma_compat_ioctl, - #endif -+#endif - .open = vc_sm_cma_open, - .release = vc_sm_cma_release, - }; |