Displaying 2 results from an estimated 2 matches for "upper32".
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2025 Jan 09
1
[PATCH v2 22/25] drm/vmwgfx: Compute dumb-buffer sizes with drm_mode_size_dumb()
...vmwgfx/vmwgfx_surface.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
@@ -34,6 +34,7 @@
#include "vmw_surface_cache.h"
#include "device_include/svga3d_surfacedefs.h"
+#include <drm/drm_dumb_buffers.h>
#include <drm/ttm/ttm_placement.h>
#define SVGA3D_FLAGS_64(upper32, lower32) (((uint64_t)upper32 << 32) | lower32)
@@ -2291,23 +2292,9 @@ int vmw_dumb_create(struct drm_file *file_priv,
* contents is going to be rendered guest side.
*/
if (!dev_priv->has_mob || !vmw_supports_3d(dev_priv)) {
- int cpp = DIV_ROUND_UP(args->bpp, 8);
-
- switch (...
2025 Jan 09
25
[PATCH v2 00/25] drm/dumb-buffers: Fix and improve buffer-size calculation
Dumb-buffer pitch and size is specified by width, height, bits-per-pixel
plus various hardware-specific alignments. The calculation of these
values is inconsistent and duplicated among drivers. The results for
formats with bpp < 8 are incorrect.
This series fixes this for most drivers. Default scanline pitch and
buffer size are now calculated with the existing 4CC helpers. There is
a new