diff options
Diffstat (limited to 'bsp/meta-synopsys/recipes-kernel/linux/linux-arc')
4 files changed, 188 insertions, 0 deletions
diff --git a/bsp/meta-synopsys/recipes-kernel/linux/linux-arc/0009-UDL-add-pseudo-deferred-io-for-modeset-drive.patch b/bsp/meta-synopsys/recipes-kernel/linux/linux-arc/0009-UDL-add-pseudo-deferred-io-for-modeset-drive.patch new file mode 100644 index 00000000..9ca4f1eb --- /dev/null +++ b/bsp/meta-synopsys/recipes-kernel/linux/linux-arc/0009-UDL-add-pseudo-deferred-io-for-modeset-drive.patch @@ -0,0 +1,79 @@ +From dba8746636e35f3e42bed62f5b7d7231adf569c8 Mon Sep 17 00:00:00 2001 +From: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> +Date: Wed, 4 Apr 2018 21:55:21 +0300 +Subject: [PATCH v100500 9/9] UDL: add pseudo deferred io for modeset driver + +With blackjack and mud. +--- + drivers/gpu/drm/udl/udl_modeset.c | 42 +++++++++++++++++++++++++++++++++++++++ + 1 file changed, 42 insertions(+) + +diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c +index 5bcae7649795..737471da16e4 100644 +--- a/drivers/gpu/drm/udl/udl_modeset.c ++++ b/drivers/gpu/drm/udl/udl_modeset.c +@@ -17,6 +17,45 @@ + #include <drm/drm_plane_helper.h> + #include "udl_drv.h" + ++/* All hacks and mud stuff --- start */ ++#define DL_DEFIO_WRITE_DELAY (HZ / 40) /* deferred_io delay in jiffies */ ++ ++static struct delayed_work deferred_work; ++static struct drm_device *deferred_dev; ++ ++static void pal_modeset_damage(struct drm_device *dev) ++{ ++ struct udl_device *udl = dev->dev_private; ++ struct udl_framebuffer *ufb; ++ ++ if (!udl->crtc || !udl->crtc->primary->fb) ++ return; ++ ++ ufb = to_udl_fb(udl->crtc->primary->fb); ++ udl_handle_damage(ufb, 0, 0, ufb->base.width, ufb->base.height); ++} ++ ++static void pal_deferred_io_work(struct work_struct *work) ++{ ++ pal_modeset_damage(deferred_dev); ++ schedule_delayed_work(&deferred_work, DL_DEFIO_WRITE_DELAY); ++} ++ ++static void pal_deferred_io_cleanup(void) ++{ ++ cancel_delayed_work_sync(&deferred_work); ++} ++ ++static void pal_deferred_io_init(struct drm_device *dev) ++{ ++ deferred_dev = dev; ++ ++ INIT_DELAYED_WORK(&deferred_work, pal_deferred_io_work); ++ ++ schedule_delayed_work(&deferred_work, DL_DEFIO_WRITE_DELAY); ++} ++/* All hacks and mud stuff --- end */ ++ + /* + * All DisplayLink bulk operations start with 0xAF, followed by specific code + * All operations are written to buffers which then later get sent to device +@@ -450,6 +489,8 @@ int udl_modeset_init(struct drm_device *dev) + + udl_connector_init(dev, encoder); + ++ pal_deferred_io_init(dev); ++ + return 0; + } + +@@ -467,5 +508,6 @@ void udl_modeset_restore(struct drm_device *dev) + + void udl_modeset_cleanup(struct drm_device *dev) + { ++ pal_deferred_io_cleanup(); + drm_mode_config_cleanup(dev); + } +-- +2.14.3 + diff --git a/bsp/meta-synopsys/recipes-kernel/linux/linux-arc/0010-UDL-defio-add-fb-lock-and-required-checks.patch b/bsp/meta-synopsys/recipes-kernel/linux/linux-arc/0010-UDL-defio-add-fb-lock-and-required-checks.patch new file mode 100644 index 00000000..9c52b940 --- /dev/null +++ b/bsp/meta-synopsys/recipes-kernel/linux/linux-arc/0010-UDL-defio-add-fb-lock-and-required-checks.patch @@ -0,0 +1,54 @@ +From f781b63e277a7bc821d9c3415bc84d3e075d5591 Mon Sep 17 00:00:00 2001 +From: Evgeniy Didin <Evgeniy.Didin@synopsys.com> +Date: Wed, 19 Sep 2018 16:57:32 +0300 +Subject: [PATCH] UDL: defio: add fb lock and required checks + +Signed-off-by: Evgeniy Didin <Evgeniy.Didin@synopsys.com> +--- + drivers/gpu/drm/udl/udl_modeset.c | 18 +++++++++++++++++- + 1 file changed, 17 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c +index 10794ce2619c..df30b81abf7a 100644 +--- a/drivers/gpu/drm/udl/udl_modeset.c ++++ b/drivers/gpu/drm/udl/udl_modeset.c +@@ -27,12 +27,26 @@ static void pal_modeset_damage(struct drm_device *dev) + { + struct udl_device *udl = dev->dev_private; + struct udl_framebuffer *ufb; ++ struct drm_framebuffer *fb; + +- if (!udl->crtc || !udl->crtc->primary->fb) ++ if (!udl) { ++ pr_warn(" PAL: UDL: no udl! %s:%d", __func__, __LINE__); ++ return; ++ } ++ ++ if (!udl->crtc || !udl->crtc->primary) + return; + ++ fb = udl->crtc->primary->fb; ++ if (!fb) ++ return; ++ ++ drm_modeset_lock_all(fb->dev); ++ + ufb = to_udl_fb(udl->crtc->primary->fb); + udl_handle_damage(ufb, 0, 0, ufb->base.width, ufb->base.height); ++ ++ drm_modeset_unlock_all(fb->dev); + } + + static void pal_deferred_io_work(struct work_struct *work) +@@ -44,6 +58,8 @@ static void pal_deferred_io_work(struct work_struct *work) + static void pal_deferred_io_cleanup(void) + { + cancel_delayed_work_sync(&deferred_work); ++ ++ pr_info(" PAL: UDL: cancel deferred io! %s:%d", __func__, __LINE__); + } + + static void pal_deferred_io_init(struct drm_device *dev) +-- +2.16.2 + diff --git a/bsp/meta-synopsys/recipes-kernel/linux/linux-arc/0011-ARC-hsdk-Enable-U-Boot-support.patch b/bsp/meta-synopsys/recipes-kernel/linux/linux-arc/0011-ARC-hsdk-Enable-U-Boot-support.patch new file mode 100644 index 00000000..8c205bf6 --- /dev/null +++ b/bsp/meta-synopsys/recipes-kernel/linux/linux-arc/0011-ARC-hsdk-Enable-U-Boot-support.patch @@ -0,0 +1,28 @@ +From 875c449cea26bbd35b11316fcbd3c53d22c98e9d Mon Sep 17 00:00:00 2001 +From: Alexey Brodkin <abrodkin@synopsys.com> +Date: Tue, 15 Jan 2019 16:18:39 +0300 +Subject: [PATCH] ARC: [hsdk]: Enable U-Boot support + +This is required to get from U-Boot either +customized kernel command line of even entire .dtb + +Upstream status: Inappropriate. + +Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> +--- + arch/arc/configs/hsdk_defconfig | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig +index 2a1d2cbfee1a..ef9b90550b18 100644 +--- a/arch/arc/configs/hsdk_defconfig ++++ b/arch/arc/configs/hsdk_defconfig +@@ -77,3 +77,5 @@ CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=10 + # CONFIG_DEBUG_PREEMPT is not set + # CONFIG_FTRACE is not set + CONFIG_CRYPTO_ECHAINIV=y ++# CONFIG_ARC_SMP_HALT_ON_RESET is not set ++CONFIG_ARC_UBOOT_SUPPORT=y +-- +2.16.2 + diff --git a/bsp/meta-synopsys/recipes-kernel/linux/linux-arc/0012-ARC-hsdk-Enable-cgroups-support.patch b/bsp/meta-synopsys/recipes-kernel/linux/linux-arc/0012-ARC-hsdk-Enable-cgroups-support.patch new file mode 100644 index 00000000..47a1cfd8 --- /dev/null +++ b/bsp/meta-synopsys/recipes-kernel/linux/linux-arc/0012-ARC-hsdk-Enable-cgroups-support.patch @@ -0,0 +1,27 @@ +From c2ef210039765c77544c6cd86336f4dc4b7ff52a Mon Sep 17 00:00:00 2001 +From: Alexey Brodkin <abrodkin@synopsys.com> +Date: Wed, 16 Jan 2019 11:31:06 +0300 +Subject: [PATCH] ARC: [hsdk]: Enable cgroups support + +This is required for systemd, otherwise we get a message about +missing API filesystems. + +Upstream status: Inappropriate. + +Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> +--- + arch/arc/configs/hsdk_defconfig | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig +index 109126c3d75c..4f1b917ba6f5 100644 +--- a/arch/arc/configs/hsdk_defconfig ++++ b/arch/arc/configs/hsdk_defconfig +@@ -82,3 +82,4 @@ CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=10 + CONFIG_CRYPTO_ECHAINIV=y + # CONFIG_ARC_SMP_HALT_ON_RESET is not set + CONFIG_ARC_UBOOT_SUPPORT=y ++CONFIG_CGROUPS=y +-- +2.16.2 + |