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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2020-05-15 11:32:25 +0300 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2020-05-19 10:41:33 +0300 |
| commit | 72a03a358c1c3d334e16b940448e3b32137e6597 (patch) | |
| tree | caa4343f98dddb86f7337dc96fc3fd10a1303644 /drivers/gpu/drm/mgag200/mgag200_reg.h | |
| parent | ddb8d0520bbc6ffdf900fb2a2a21d203199c64b8 (diff) | |
| download | linux-72a03a358c1c3d334e16b940448e3b32137e6597.tar.xz | |
drm/mgag200: Set pitch in a separate helper function
The framebuffer's pitch is now set in mgag200_set_offset().
v2:
* move offset and bpp-shift calculation into helper functions
* use u8 instead of uint8_t
* add MGAREG_CRTCEXT0_OFFSET_MASK
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Tested-by: John Donnelly <John.p.donnelly@oracle.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Emil Velikov <emil.velikov@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200515083233.32036-8-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/mgag200/mgag200_reg.h')
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_reg.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mgag200/mgag200_reg.h b/drivers/gpu/drm/mgag200/mgag200_reg.h index 0ba6e15e9710..cd08dee29b06 100644 --- a/drivers/gpu/drm/mgag200/mgag200_reg.h +++ b/drivers/gpu/drm/mgag200/mgag200_reg.h @@ -240,6 +240,8 @@ #define MGAREG_CRTCEXT_INDEX 0x1fde #define MGAREG_CRTCEXT_DATA 0x1fdf +#define MGAREG_CRTCEXT0_OFFSET_MASK GENMASK(5, 4) + /* Cursor X and Y position */ #define MGA_CURPOSXL 0x3c0c #define MGA_CURPOSXH 0x3c0d |