Displaying 5 results from an estimated 5 matches for "dpsub".
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2025 Jan 09
1
[PATCH v2 25/25] drm/xlnx: Compute dumb-buffer sizes with drm_mode_size_dumb()
...+19,7 @@
#include <drm/drm_crtc.h>
#include <drm/drm_device.h>
#include <drm/drm_drv.h>
+#include <drm/drm_dumb_buffers.h>
#include <drm/drm_encoder.h>
#include <drm/drm_fbdev_dma.h>
#include <drm/drm_fourcc.h>
@@ -363,10 +364,12 @@ static int zynqmp_dpsub_dumb_create(struct drm_file *file_priv,
struct drm_mode_create_dumb *args)
{
struct zynqmp_dpsub *dpsub = to_zynqmp_dpsub(drm);
- unsigned int pitch = DIV_ROUND_UP(args->width * args->bpp, 8);
+ int ret;
/* Enforce the alignment constraints of the DMA engine. */
- args->pit...
2025 Jan 15
1
[PATCH v2 25/25] drm/xlnx: Compute dumb-buffer sizes with drm_mode_size_dumb()
...t;
> #include <drm/drm_device.h>
> #include <drm/drm_drv.h>
> +#include <drm/drm_dumb_buffers.h>
> #include <drm/drm_encoder.h>
> #include <drm/drm_fbdev_dma.h>
> #include <drm/drm_fourcc.h>
> @@ -363,10 +364,12 @@ static int zynqmp_dpsub_dumb_create(struct drm_file *file_priv,
> struct drm_mode_create_dumb *args)
> {
> struct zynqmp_dpsub *dpsub = to_zynqmp_dpsub(drm);
> - unsigned int pitch = DIV_ROUND_UP(args->width * args->bpp, 8);
> + int ret;
>
> /* Enforce the alignment constrai...
2025 Jan 15
1
[PATCH v2 25/25] drm/xlnx: Compute dumb-buffer sizes with drm_mode_size_dumb()
...rm/drm_device.h>
>> ? #include <drm/drm_drv.h>
>> +#include <drm/drm_dumb_buffers.h>
>> ? #include <drm/drm_encoder.h>
>> ? #include <drm/drm_fbdev_dma.h>
>> ? #include <drm/drm_fourcc.h>
>> @@ -363,10 +364,12 @@ static int zynqmp_dpsub_dumb_create(struct
>> drm_file *file_priv,
>> ????????????????????? struct drm_mode_create_dumb *args)
>> ? {
>> ????? struct zynqmp_dpsub *dpsub = to_zynqmp_dpsub(drm);
>> -??? unsigned int pitch = DIV_ROUND_UP(args->width * args->bpp, 8);
>> +??? int ret...
2025 Jan 15
1
[PATCH v2 25/25] drm/xlnx: Compute dumb-buffer sizes with drm_mode_size_dumb()
...>> ? #include <drm/drm_drv.h>
>>> +#include <drm/drm_dumb_buffers.h>
>>> ? #include <drm/drm_encoder.h>
>>> ? #include <drm/drm_fbdev_dma.h>
>>> ? #include <drm/drm_fourcc.h>
>>> @@ -363,10 +364,12 @@ static int zynqmp_dpsub_dumb_create(struct
>>> drm_file *file_priv,
>>> ????????????????????? struct drm_mode_create_dumb *args)
>>> ? {
>>> ????? struct zynqmp_dpsub *dpsub = to_zynqmp_dpsub(drm);
>>> -??? unsigned int pitch = DIV_ROUND_UP(args->width * args->bpp, 8);
&...
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