diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2025-08-21 11:17:21 +0300 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2025-09-29 15:00:57 +0300 |
| commit | 7aff3a6be7d013a829442bbb96341a6ab428d49b (patch) | |
| tree | d2e7fa8d34a1632fa8eae07ac2fea9c5b8600200 | |
| parent | 538fa012cbdbe71fd920ffabb24a2d47c0c511f4 (diff) | |
| download | linux-7aff3a6be7d013a829442bbb96341a6ab428d49b.tar.xz | |
drm/nouveau: Compute dumb-buffer sizes with drm_mode_size_dumb()
Call drm_mode_size_dumb() to compute dumb-buffer scanline pitch and
buffer size. Align the pitch to a multiple of 256.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Cc: Karol Herbst <kherbst@redhat.com>
Cc: Lyude Paul <lyude@redhat.com>
Cc: Danilo Krummrich <dakr@kernel.org>
Link: https://lore.kernel.org/r/20250821081918.79786-15-tzimmermann@suse.de
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_display.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index 805d0a87aa54..54aed3656a4c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -30,6 +30,7 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_client_event.h> #include <drm/drm_crtc_helper.h> +#include <drm/drm_dumb_buffers.h> #include <drm/drm_fourcc.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_probe_helper.h> @@ -807,9 +808,9 @@ nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, uint32_t domain; int ret; - args->pitch = roundup(args->width * (args->bpp / 8), 256); - args->size = args->pitch * args->height; - args->size = roundup(args->size, PAGE_SIZE); + ret = drm_mode_size_dumb(dev, args, SZ_256, 0); + if (ret) + return ret; /* Use VRAM if there is any ; otherwise fallback to system memory */ if (nouveau_drm(dev)->client.device.info.ram_size != 0) |