Displaying 2 results from an estimated 2 matches for "linepixels".
2019 Apr 10
1
[PATCH v2 2/3] drm: switch drm_fb_xrgb8888_to_rgb565_dstclip to accept __iomem dst
...*dst, unsigned int dst_pitch,
- void *src, unsigned int src_pitch,
- unsigned int src_linelength,
- unsigned int lines,
- bool swap)
+static void drm_fb_xrgb8888_to_rgb565_line(u16 *dbuf, u32 *sbuf,
+ unsigned int pixels,
+ bool swab)
{
- unsigned int linepixels = src_linelength / sizeof(u32);
- unsigned int x, y;
- u32 *sbuf;
- u16 *dbuf, val16;
+ unsigned int x;
+ u16 val16;
- /*
- * The cma memory is write-combined so reads are uncached.
- * Speed up by fetching one line at a time.
- */
- sbuf = kmalloc(src_linelength, GFP_KERNEL);
- if (!sbuf)
-...
2019 Apr 10
1
[PATCH v2 3/3] drm: switch drm_fb_xrgb8888_to_rgb888_dstclip to accept __iomem dst
...void drm_fb_xrgb8888_to_rgb888_lines(void *dst, unsigned int dst_pitch,
- void *src, unsigned int src_pitch,
- unsigned int src_linelength,
- unsigned int lines)
+static void drm_fb_xrgb8888_to_rgb888_line(u8 *dbuf, u32 *sbuf,
+ unsigned int pixels)
{
- unsigned int linepixels = src_linelength / 3;
- unsigned int x, y;
- u32 *sbuf;
- u8 *dbuf;
+ unsigned int x;
- sbuf = kmalloc(src_linelength, GFP_KERNEL);
- if (!sbuf)
- return;
-
- for (y = 0; y < lines; y++) {
- memcpy(sbuf, src, src_linelength);
- dbuf = dst;
- for (x = 0; x < linepixels; x++) {
- *dbuf+...