diff options
Diffstat (limited to 'drivers/gpu/drm/imx/ipuv3/imx-drm-core.c')
| -rw-r--r-- | drivers/gpu/drm/imx/ipuv3/imx-drm-core.c | 36 |
1 files changed, 27 insertions, 9 deletions
diff --git a/drivers/gpu/drm/imx/ipuv3/imx-drm-core.c b/drivers/gpu/drm/imx/ipuv3/imx-drm-core.c index ced06bd8eae8..eddb471119c6 100644 --- a/drivers/gpu/drm/imx/ipuv3/imx-drm-core.c +++ b/drivers/gpu/drm/imx/ipuv3/imx-drm-core.c @@ -13,11 +13,13 @@ #include <video/imx-ipu-v3.h> +#include <drm/clients/drm_client_setup.h> #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> -#include <drm/drm_client_setup.h> #include <drm/drm_drv.h> +#include <drm/drm_dumb_buffers.h> #include <drm/drm_fbdev_dma.h> +#include <drm/drm_fourcc.h> #include <drm/drm_gem_dma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_managed.h> @@ -141,17 +143,34 @@ static int imx_drm_dumb_create(struct drm_file *file_priv, struct drm_device *drm, struct drm_mode_create_dumb *args) { - u32 width = args->width; + u32 fourcc; + u64 pitch_align; int ret; - args->width = ALIGN(width, 8); - - ret = drm_gem_dma_dumb_create(file_priv, drm, args); + /* + * Hardware requires the framebuffer width to be aligned to + * multiples of 8. The mode-setting code handles this, but + * the buffer pitch has to be aligned as well. Set the pitch + * alignment accordingly, so that the each scanline fits into + * the allocated buffer. + */ + fourcc = drm_driver_color_mode_format(drm, args->bpp); + if (fourcc != DRM_FORMAT_INVALID) { + const struct drm_format_info *info = drm_format_info(fourcc); + + if (!info) + return -EINVAL; + pitch_align = drm_format_info_min_pitch(info, 0, 8); + } else { + pitch_align = DIV_ROUND_UP(args->bpp, SZ_8) * 8; + } + if (!pitch_align || pitch_align > U32_MAX) + return -EINVAL; + ret = drm_mode_size_dumb(drm, args, pitch_align, 0); if (ret) return ret; - args->width = width; - return ret; + return drm_gem_dma_dumb_create(file_priv, drm, args); } static const struct drm_driver imx_drm_driver = { @@ -163,7 +182,6 @@ static const struct drm_driver imx_drm_driver = { .fops = &imx_drm_driver_fops, .name = "imx-drm", .desc = "i.MX DRM graphics", - .date = "20120507", .major = 1, .minor = 0, .patchlevel = 0, @@ -325,7 +343,7 @@ MODULE_DEVICE_TABLE(of, imx_drm_dt_ids); static struct platform_driver imx_drm_pdrv = { .probe = imx_drm_platform_probe, - .remove_new = imx_drm_platform_remove, + .remove = imx_drm_platform_remove, .shutdown = imx_drm_platform_shutdown, .driver = { .name = "imx-drm", |