This introduces two new Kconfig options that configure the maximum allowable framebuffer size (i.e. the memory reservation/allocation for the framebuffer): - VIDEO_ROCKCHIP_MAX_XRES - VIDEO_ROCKCHIP_MAX_YRES The resulting memory allocation will cover 4 byte per pixel for these resolutions.
Signed-off-by: Philipp Tomsich philipp.tomsich@theobroma-systems.com
---
Changes in v4: - added to break down into smaller changes
Changes in v3: None Changes in v2: None
drivers/video/rockchip/Kconfig | 18 ++++++++++++++++++ drivers/video/rockchip/rk_vop.c | 3 ++- 2 files changed, 20 insertions(+), 1 deletion(-)
diff --git a/drivers/video/rockchip/Kconfig b/drivers/video/rockchip/Kconfig index 4ad2da5..b1d7c62 100644 --- a/drivers/video/rockchip/Kconfig +++ b/drivers/video/rockchip/Kconfig @@ -19,6 +19,24 @@ menuconfig VIDEO_ROCKCHIP This driver supports the on-chip video output device, and targets the Rockchip RK3288 and RK3399.
+config VIDEO_ROCKCHIP_MAX_XRES + int "Maximum horizontal resolution (for memory allocation purposes)" + depends on VIDEO_ROCKCHIP + default 1920 + help + The maximum horizontal resolution to support for the framebuffer. + This configuration is used for reserving/allocating memory for the + framebuffer during device-model binding/probing. + +config VIDEO_ROCKCHIP_MAX_YRES + int "Maximum vertical resolution (for memory allocation purposes)" + depends on VIDEO_ROCKCHIP + default 1080 + help + The maximum vertical resolution to support for the framebuffer. + This configuration is used for reserving/allocating memory for the + framebuffer during device-model binding/probing. + if VIDEO_ROCKCHIP
config DISPLAY_ROCKCHIP_EDP diff --git a/drivers/video/rockchip/rk_vop.c b/drivers/video/rockchip/rk_vop.c index aa6ca8c..16d1484 100644 --- a/drivers/video/rockchip/rk_vop.c +++ b/drivers/video/rockchip/rk_vop.c @@ -357,7 +357,8 @@ static int rk_vop_bind(struct udevice *dev) { struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
- plat->size = 1920 * 1200 * 4; + plat->size = 4 * (CONFIG_VIDEO_ROCKCHIP_MAX_XRES * + CONFIG_VIDEO_ROCKCHIP_MAX_YRES);
return 0; }