Hi,I appreciate that you split the driver into small patches. Please find some comments below.
Am 02.06.23 um 09:40 schrieb Keith Zhao:
Add a basic platform driver of the DRM driver for JH7110 SoC. Signed-off-by: Keith Zhao <keith.zhao@xxxxxxxxxxxxxxxx> --- MAINTAINERS | 2 + drivers/gpu/drm/Kconfig | 2 + drivers/gpu/drm/Makefile | 1 + drivers/gpu/drm/verisilicon/Kconfig | 13 ++ drivers/gpu/drm/verisilicon/Makefile | 6 + drivers/gpu/drm/verisilicon/vs_drv.c | 284 +++++++++++++++++++++++++++ drivers/gpu/drm/verisilicon/vs_drv.h | 48 +++++ include/uapi/drm/drm_fourcc.h | 83 ++++++++ include/uapi/drm/vs_drm.h | 50 +++++ 9 files changed, 489 insertions(+) create mode 100644 drivers/gpu/drm/verisilicon/Kconfig create mode 100644 drivers/gpu/drm/verisilicon/Makefile create mode 100644 drivers/gpu/drm/verisilicon/vs_drv.c create mode 100644 drivers/gpu/drm/verisilicon/vs_drv.h create mode 100644 include/uapi/drm/vs_drm.h diff --git a/MAINTAINERS b/MAINTAINERS index 293aa13d484c..da5b6766a7bb 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7055,6 +7055,8 @@ L: dri-devel@xxxxxxxxxxxxxxxxxxxxx S: Maintained T: git git://anongit.freedesktop.org/drm/drm-misc F: Documentation/devicetree/bindings/display/verisilicon/ +F: drivers/gpu/drm/verisilicon/ +F: include/uapi/drm/vs_drm.hDRM DRIVERS FOR VIVANTE GPU IPM: Lucas Stach <l.stach@xxxxxxxxxxxxxx> diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index ba3fb04bb691..f7e461fa4656 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -371,6 +371,8 @@ source "drivers/gpu/drm/solomon/Kconfig"source "drivers/gpu/drm/sprd/Kconfig" +source "drivers/gpu/drm/verisilicon/Kconfig"+ config DRM_HYPERV tristate "DRM Support for Hyper-V synthetic video device" depends on DRM && PCI && MMU && HYPERV diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index a33257d2bc7f..e50622ee4e46 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -194,3 +194,4 @@ obj-y += gud/ obj-$(CONFIG_DRM_HYPERV) += hyperv/ obj-y += solomon/ obj-$(CONFIG_DRM_SPRD) += sprd/ +obj-$(CONFIG_DRM_VERISILICON) += verisilicon/ diff --git a/drivers/gpu/drm/verisilicon/Kconfig b/drivers/gpu/drm/verisilicon/Kconfig new file mode 100644 index 000000000000..89d12185f73b --- /dev/null +++ b/drivers/gpu/drm/verisilicon/Kconfig @@ -0,0 +1,13 @@ +# SPDX-License-Identifier: GPL-2.0 + +config DRM_VERISILICON + tristate "DRM Support for VeriSilicon"
Can you rename the driver and files? 'VeriSilicon' seems unpronounceable. Simply 'StarFive' and starfive/ would be fine.
+ depends on DRM
+ select DRM_KMS_HELPER
+ select CMA
+ select DMA_CMA
+ help
+ Choose this option if you have a VeriSilicon soc chipset.
+ This driver provides VeriSilicon kernel mode
+ setting and buffer management. It does not
+ provide 2D or 3D acceleration.
diff --git a/drivers/gpu/drm/verisilicon/Makefile b/drivers/gpu/drm/verisilicon/Makefile
new file mode 100644
index 000000000000..64ce1b26546c
--- /dev/null
+++ b/drivers/gpu/drm/verisilicon/Makefile
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0
+
+vs_drm-objs := vs_drv.o
+
+obj-$(CONFIG_DRM_VERISILICON) += vs_drm.o
+
diff --git a/drivers/gpu/drm/verisilicon/vs_drv.c b/drivers/gpu/drm/verisilicon/vs_drv.c
new file mode 100644
index 000000000000..24d333598477
--- /dev/null
+++ b/drivers/gpu/drm/verisilicon/vs_drv.c
@@ -0,0 +1,284 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2023 VeriSilicon Holdings Co., Ltd.
+ */
+
+#include <linux/clk.h>
+#include <linux/component.h>
+#include <linux/delay.h>
+#include <linux/dma-mapping.h>
+#include <linux/iommu.h>
+#include <linux/of_graph.h>
+#include <linux/of_reserved_mem.h>
+#include <linux/pm_runtime.h>
+#include <linux/reset.h>
+#include <linux/version.h>
+
+#include <drm/drm_aperture.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_debugfs.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
+#include <drm/drm_file.h>
+#include <drm/drm_fourcc.h>
+#include <drm/drm_ioctl.h>
+#include <drm/drm_of.h>
+#include <drm/drm_prime.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_vblank.h>
+
+#include "vs_drv.h"
+
+#define DRV_NAME "starfive"
+#define DRV_DESC "Starfive DRM driver"
+#define DRV_DATE "202305161"
+#define DRV_MAJOR 1
+#define DRV_MINOR 0
+
+static struct platform_driver vs_drm_platform_driver;
+
+static const struct file_operations fops = {
+ .owner = THIS_MODULE,
+ .open = drm_open,
+ .release = drm_release,
+ .unlocked_ioctl = drm_ioctl,
+ .compat_ioctl = drm_compat_ioctl,
+ .poll = drm_poll,
+ .read = drm_read,
+};
+
+static struct drm_driver vs_drm_driver = {
+ .driver_features = DRIVER_MODESET | DRIVER_ATOMIC | DRIVER_GEM,
+ .lastclose = drm_fb_helper_lastclose,
+ .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
+ .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
+ .fops = &fops,
+ .name = DRV_NAME,
+ .desc = DRV_DESC,
+ .date = DRV_DATE,
+ .major = DRV_MAJOR,
+ .minor = DRV_MINOR,
+};
+
+void vs_drm_update_pitch_alignment(struct drm_device *drm_dev,
+ unsigned int alignment)
+{
+ struct vs_drm_private *priv = drm_dev->dev_private;
+
+ if (alignment > priv->pitch_alignment)
+ priv->pitch_alignment = alignment;
+}
+
+static int vs_drm_bind(struct device *dev)
+{
+ struct drm_device *drm_dev;
+ struct vs_drm_private *priv;
+ int ret;
+ static u64 dma_mask = DMA_BIT_MASK(40);
+
+ /* Remove existing drivers that may own the framebuffer memory. */
+ ret = drm_aperture_remove_framebuffers(false, &vs_drm_driver);
+ if (ret) {
+ DRM_DEV_ERROR(dev,
drm_err(), drm_info(), drm_warn(), etc. Here and everwhere else. The DRM_DEV_*() print macros are obsolete.
+ "Failed to remove existing framebuffers - %d.\n",
+ ret);
+ return ret;
+ }
+
+ drm_dev = drm_dev_alloc(&vs_drm_driver, dev);
+ if (IS_ERR(drm_dev))
+ return PTR_ERR(drm_dev);
+
+ dev_set_drvdata(dev, drm_dev);
+
+ priv = devm_kzalloc(drm_dev->dev, sizeof(struct vs_drm_private),
+ GFP_KERNEL);
+ if (!priv) {
+ ret = -ENOMEM;
+ goto err_put_dev;
+ }
+
+ priv->pitch_alignment = 64;
+ priv->dma_dev = drm_dev->dev;
+ priv->dma_dev->coherent_dma_mask = dma_mask;
+ drm_dev->dev_private = priv;
dev_private is obsolete and about to go away at some point.Please embed drm_device in vs_drm_private and allocate the memory with devm_drm_dev_alloc().
+ + drm_mode_config_init(drm_dev);
drmm_mode_config_init() please.
+
+ /* Now try and bind all our sub-components */
+ ret = component_bind_all(dev, drm_dev);
+ if (ret)
+ goto err_mode;
+
+ ret = drm_vblank_init(drm_dev, drm_dev->mode_config.num_crtc);
+ if (ret)
+ goto err_bind;
+
+ drm_mode_config_reset(drm_dev);
+
+ drm_kms_helper_poll_init(drm_dev);
+
+ ret = drm_dev_register(drm_dev, 0);
+ if (ret)
+ goto err_helper;
+
+ drm_fbdev_generic_setup(drm_dev, 32);
+
+ return 0;
+
+err_helper:
+ drm_kms_helper_poll_fini(drm_dev);
+err_bind:
+ component_unbind_all(drm_dev->dev, drm_dev);
+err_mode:
+ drm_mode_config_cleanup(drm_dev);
+ if (priv->domain)
+ iommu_domain_free(priv->domain);
+err_put_dev:
+ drm_dev->dev_private = NULL;
+ dev_set_drvdata(dev, NULL);
+ drm_dev_put(drm_dev);
+ return ret;
+}
+
+static void vs_drm_unbind(struct device *dev)
+{
+ struct drm_device *drm_dev = dev_get_drvdata(dev);
+ struct vs_drm_private *priv = drm_dev->dev_private;
+
+ drm_dev_unregister(drm_dev);
+
+ drm_kms_helper_poll_fini(drm_dev);
+
+ component_unbind_all(drm_dev->dev, drm_dev);
+
+ drm_mode_config_cleanup(drm_dev);
+
+ if (priv->domain) {
+ iommu_domain_free(priv->domain);
+ priv->domain = NULL;
+ }
+
+ drm_dev->dev_private = NULL;
+ dev_set_drvdata(dev, NULL);
+ drm_dev_put(drm_dev);
You rather want to convert the individual steps of this cleanup to managed functions (drmm_ and devm_) to automate the cleanup when as part of drm_dev_put().
+}
+
+static const struct component_master_ops vs_drm_ops = {
+ .bind = vs_drm_bind,
+ .unbind = vs_drm_unbind,
+};
+
+static struct platform_driver *drm_sub_drivers[] = {
+};
+
+#define NUM_DRM_DRIVERS \
+ (sizeof(drm_sub_drivers) / sizeof(struct platform_driver *))
Does this really work? sizeof(drm_sub_drivers) isn't know at compile time. It is always assumed to be 0 AFAICT. Or do you fill this array in later patches?
+
+static int compare_dev(struct device *dev, void *data)
+{
+ return dev == (struct device *)data;
+}
+
+static struct component_match *vs_drm_match_add(struct device *dev)
+{
+ struct component_match *match = NULL;
+ int i;
+
+ for (i = 0; i < NUM_DRM_DRIVERS; ++i) {
+ struct platform_driver *drv = drm_sub_drivers[i];
+ struct device *p = NULL, *d;
+
+ while ((d = platform_find_device_by_driver(p, &drv->driver))) {
+ put_device(p);
+
+ component_match_add(dev, &match, compare_dev, d);
+ p = d;
+ }
+ put_device(p);
+ }
+
+ return match ?: ERR_PTR(-ENODEV);
+}
+
+static int vs_drm_platform_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct component_match *match;
+
+ match = vs_drm_match_add(dev);
+ if (IS_ERR(match))
+ return PTR_ERR(match);
+
+ return component_master_add_with_match(dev, &vs_drm_ops, match);
+}
+
+static int vs_drm_platform_remove(struct platform_device *pdev)
+{
+ component_master_del(&pdev->dev, &vs_drm_ops);
+ return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int vs_drm_suspend(struct device *dev)
+{
+ struct drm_device *drm = dev_get_drvdata(dev);
+
+ return drm_mode_config_helper_suspend(drm);
+}
+
+static int vs_drm_resume(struct device *dev)
+{
+ struct drm_device *drm = dev_get_drvdata(dev);
+
+ return drm_mode_config_helper_resume(drm);
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(vs_drm_pm_ops, vs_drm_suspend, vs_drm_resume);
+
+static const struct of_device_id vs_drm_dt_ids[] = {
+ { .compatible = "verisilicon,display-subsystem", },
+};
+
+MODULE_DEVICE_TABLE(of, vs_drm_dt_ids);
+
+static struct platform_driver vs_drm_platform_driver = {
+ .probe = vs_drm_platform_probe,
+ .remove = vs_drm_platform_remove,
+
+ .driver = {
+ .name = DRV_NAME,
+ .of_match_table = vs_drm_dt_ids,
+ .pm = &vs_drm_pm_ops,
+ },
+};
+
+static int __init vs_drm_init(void)
+{
+ int ret;
+
+ ret = platform_register_drivers(drm_sub_drivers, NUM_DRM_DRIVERS);
+ if (ret)
+ return ret;
+
+ ret = platform_driver_register(&vs_drm_platform_driver);
+ if (ret)
+ platform_unregister_drivers(drm_sub_drivers, NUM_DRM_DRIVERS);
+
+ return ret;
+}
+
+static void __exit vs_drm_fini(void)
+{
+ platform_driver_unregister(&vs_drm_platform_driver);
+ platform_unregister_drivers(drm_sub_drivers, NUM_DRM_DRIVERS);
+}
+
+module_init(vs_drm_init);
+module_exit(vs_drm_fini);
+
+MODULE_DESCRIPTION("VeriSilicon DRM Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/gpu/drm/verisilicon/vs_drv.h b/drivers/gpu/drm/verisilicon/vs_drv.h
new file mode 100644
index 000000000000..0382b44e3bf0
--- /dev/null
+++ b/drivers/gpu/drm/verisilicon/vs_drv.h
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2023 VeriSilicon Holdings Co., Ltd.
+ */
+
+#ifndef __VS_DRV_H__
+#define __VS_DRV_H__
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/version.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_gem.h>
+
+/*
+ *
+ * @dma_dev: device for DMA API.
+ * - use the first attached device if support iommu
+ else use drm device (only contiguous buffer support)
+ * @domain: iommu domain for DRM.
+ * - all DC IOMMU share same domain to reduce mapping
+ * @pitch_alignment: buffer pitch alignment required by sub-devices.
+ *
+ */
+struct vs_drm_private {
+ struct device *dma_dev;
+ struct iommu_domain *domain;
+ unsigned int pitch_alignment;
+};
As mentioned, this struct needs to embed struct drm_device.
+
+void vs_drm_update_pitch_alignment(struct drm_device *drm_dev,
+ unsigned int alignment);
+
+static inline struct device *to_dma_dev(struct drm_device *dev)
+{
+ struct vs_drm_private *priv = dev->dev_private;
+
+ return priv->dma_dev;
And this needs to be an upcast via container_of().
+}
+
+static inline bool is_iommu_enabled(struct drm_device *dev)
+{
+ struct vs_drm_private *priv = dev->dev_private;
+
+ return priv->domain ? true : false;
+}
+
+#endif /* __VS_DRV_H__ */
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index de703c6be969..af4fb50f9207 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
The UAPI changes shouldn't be needed in this patch?
@@ -419,6 +419,7 @@ extern "C" { #define DRM_FORMAT_MOD_VENDOR_ARM 0x08 #define DRM_FORMAT_MOD_VENDOR_ALLWINNER 0x09 #define DRM_FORMAT_MOD_VENDOR_AMLOGIC 0x0a +#define DRM_FORMAT_MOD_VENDOR_VS 0x0b/* add more to the end as needed */ @@ -1519,6 +1520,88 @@ drm_fourcc_canonicalize_nvidia_format_mod(__u64 modifier)#define AMD_FMT_MOD_CLEAR(field) \ (~((__u64)AMD_FMT_MOD_##field##_MASK << AMD_FMT_MOD_##field##_SHIFT))+#define DRM_FORMAT_MOD_VS_TYPE_NORMAL 0x00+#define DRM_FORMAT_MOD_VS_TYPE_COMPRESSED 0x01 +#define DRM_FORMAT_MOD_VS_TYPE_CUSTOM_10BIT 0x02 +#define DRM_FORMAT_MOD_VS_TYPE_MASK ((__u64)0x3 << 54) + +#define fourcc_mod_vs_code(type, val) \ + fourcc_mod_code(VS, ((((__u64)type) << 54) | (val))) + +#define DRM_FORMAT_MOD_VS_DEC_TILE_MODE_MASK 0x3F +#define DRM_FORMAT_MOD_VS_DEC_TILE_8X8_XMAJOR 0x00 +#define DRM_FORMAT_MOD_VS_DEC_TILE_8X8_YMAJOR 0x01 +#define DRM_FORMAT_MOD_VS_DEC_TILE_16X4 0x02 +#define DRM_FORMAT_MOD_VS_DEC_TILE_8X4 0x03 +#define DRM_FORMAT_MOD_VS_DEC_TILE_4X8 0x04 +#define DRM_FORMAT_MOD_VS_DEC_RASTER_16X4 0x06 +#define DRM_FORMAT_MOD_VS_DEC_TILE_64X4 0x07 +#define DRM_FORMAT_MOD_VS_DEC_TILE_32X4 0x08 +#define DRM_FORMAT_MOD_VS_DEC_RASTER_256X1 0x09 +#define DRM_FORMAT_MOD_VS_DEC_RASTER_128X1 0x0A +#define DRM_FORMAT_MOD_VS_DEC_RASTER_64X4 0x0B +#define DRM_FORMAT_MOD_VS_DEC_RASTER_256X2 0x0C +#define DRM_FORMAT_MOD_VS_DEC_RASTER_128X2 0x0D +#define DRM_FORMAT_MOD_VS_DEC_RASTER_128X4 0x0E +#define DRM_FORMAT_MOD_VS_DEC_RASTER_64X1 0x0F +#define DRM_FORMAT_MOD_VS_DEC_TILE_16X8 0x10 +#define DRM_FORMAT_MOD_VS_DEC_TILE_8X16 0x11 +#define DRM_FORMAT_MOD_VS_DEC_RASTER_512X1 0x12 +#define DRM_FORMAT_MOD_VS_DEC_RASTER_32X4 0x13 +#define DRM_FORMAT_MOD_VS_DEC_RASTER_64X2 0x14 +#define DRM_FORMAT_MOD_VS_DEC_RASTER_32X2 0x15 +#define DRM_FORMAT_MOD_VS_DEC_RASTER_32X1 0x16 +#define DRM_FORMAT_MOD_VS_DEC_RASTER_16X1 0x17 +#define DRM_FORMAT_MOD_VS_DEC_TILE_128X4 0x18 +#define DRM_FORMAT_MOD_VS_DEC_TILE_256X4 0x19 +#define DRM_FORMAT_MOD_VS_DEC_TILE_512X4 0x1A +#define DRM_FORMAT_MOD_VS_DEC_TILE_16X16 0x1B +#define DRM_FORMAT_MOD_VS_DEC_TILE_32X16 0x1C +#define DRM_FORMAT_MOD_VS_DEC_TILE_64X16 0x1D +#define DRM_FORMAT_MOD_VS_DEC_TILE_128X8 0x1E +#define DRM_FORMAT_MOD_VS_DEC_TILE_8X4_S 0x1F +#define DRM_FORMAT_MOD_VS_DEC_TILE_16X4_S 0x20 +#define DRM_FORMAT_MOD_VS_DEC_TILE_32X4_S 0x21 +#define DRM_FORMAT_MOD_VS_DEC_TILE_16X4_LSB 0x22 +#define DRM_FORMAT_MOD_VS_DEC_TILE_32X4_LSB 0x23 +#define DRM_FORMAT_MOD_VS_DEC_TILE_32X8 0x24 + +#define DRM_FORMAT_MOD_VS_DEC_ALIGN_32 (0x01 << 6) +#define DRM_FORMAT_MOD_VS_DEC_ALIGN_64 (0x01 << 7) + +#define fourcc_mod_vs_dec_code(tile, align) \ + fourcc_mod_vs_code(DRM_FORMAT_MOD_VS_TYPE_COMPRESSED, \ + ((tile) | (align))) + +#define DRM_FORMAT_MOD_VS_NORM_MODE_MASK 0x1F +#define DRM_FORMAT_MOD_VS_LINEAR 0x00 +#define DRM_FORMAT_MOD_VS_TILED4x4 0x01 +#define DRM_FORMAT_MOD_VS_SUPER_TILED_XMAJOR 0x02 +#define DRM_FORMAT_MOD_VS_SUPER_TILED_YMAJOR 0x03 +#define DRM_FORMAT_MOD_VS_TILE_8X8 0x04 +#define DRM_FORMAT_MOD_VS_TILE_MODE1 0x05 +#define DRM_FORMAT_MOD_VS_TILE_MODE2 0x06 +#define DRM_FORMAT_MOD_VS_TILE_8X4 0x07 +#define DRM_FORMAT_MOD_VS_TILE_MODE4 0x08 +#define DRM_FORMAT_MOD_VS_TILE_MODE5 0x09 +#define DRM_FORMAT_MOD_VS_TILE_MODE6 0x0A +#define DRM_FORMAT_MOD_VS_SUPER_TILED_XMAJOR_8X4 0x0B +#define DRM_FORMAT_MOD_VS_SUPER_TILED_YMAJOR_4X8 0x0C +#define DRM_FORMAT_MOD_VS_TILE_Y 0x0D +#define DRM_FORMAT_MOD_VS_TILE_128X1 0x0F +#define DRM_FORMAT_MOD_VS_TILE_256X1 0x10 +#define DRM_FORMAT_MOD_VS_TILE_32X1 0x11 +#define DRM_FORMAT_MOD_VS_TILE_64X1 0x12 +#define DRM_FORMAT_MOD_VS_TILE_MODE4X4 0x15 + +#define fourcc_mod_vs_norm_code(tile) \ + fourcc_mod_vs_code(DRM_FORMAT_MOD_VS_TYPE_NORMAL, \ + (tile)) + +#define fourcc_mod_vs_custom_code(tile) \ + fourcc_mod_vs_code(DRM_FORMAT_MOD_VS_TYPE_CUSTOM_10BIT, \ + (tile)) + #if defined(__cplusplus) } #endif diff --git a/include/uapi/drm/vs_drm.h b/include/uapi/drm/vs_drm.h new file mode 100644 index 000000000000..96b7fc95d658 --- /dev/null +++ b/include/uapi/drm/vs_drm.h
Another UAPI addition that appears to be unused. Please only add things that you're using.
Best regards Thomas
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * Copyright (C) 2020 VeriSilicon Holdings Co., Ltd.
+ */
+
+#ifndef __VS_DRM_H__
+#define __VS_DRM_H__
+
+#include "drm.h"
+
+enum drm_vs_degamma_mode {
+ VS_DEGAMMA_DISABLE = 0,
+ VS_DEGAMMA_BT709 = 1,
+ VS_DEGAMMA_BT2020 = 2,
+};
+
+enum drm_vs_sync_dc_mode {
+ VS_SINGLE_DC = 0,
+ VS_MULTI_DC_PRIMARY = 1,
+ VS_MULTI_DC_SECONDARY = 2,
+};
+
+enum drm_vs_mmu_prefetch_mode {
+ VS_MMU_PREFETCH_DISABLE = 0,
+ VS_MMU_PREFETCH_ENABLE = 1,
+};
+
+struct drm_vs_watermark {
+ __u32 watermark;
+ __u8 qos_low;
+ __u8 qos_high;
+};
+
+struct drm_vs_color_mgmt {
+ __u32 colorkey;
+ __u32 colorkey_high;
+ __u32 clear_value;
+ bool clear_enable;
+ bool transparency;
+};
+
+struct drm_vs_roi {
+ bool enable;
+ __u16 roi_x;
+ __u16 roi_y;
+ __u16 roi_w;
+ __u16 roi_h;
+};
+
+#endif /* __VS_DRM_H__ */
-- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Frankenstrasse 146, 90461 Nuernberg, Germany GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman HRB 36809 (AG Nuernberg)
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