diff options
Diffstat (limited to 'drivers/gpu/drm/drm_fourcc.c')
| -rw-r--r-- | drivers/gpu/drm/drm_fourcc.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c index 6c76bd821d17..29f4fe199c4d 100644 --- a/drivers/gpu/drm/drm_fourcc.c +++ b/drivers/gpu/drm/drm_fourcc.c @@ -43,6 +43,21 @@ uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) uint32_t fmt = DRM_FORMAT_INVALID; switch (bpp) { + case 1: + if (depth == 1) + fmt = DRM_FORMAT_C1; + break; + + case 2: + if (depth == 2) + fmt = DRM_FORMAT_C2; + break; + + case 4: + if (depth == 4) + fmt = DRM_FORMAT_C4; + break; + case 8: if (depth == 8) fmt = DRM_FORMAT_C8; @@ -132,6 +147,12 @@ EXPORT_SYMBOL(drm_driver_legacy_fb_format); const struct drm_format_info *__drm_format_info(u32 format) { static const struct drm_format_info formats[] = { + { .format = DRM_FORMAT_C1, .depth = 1, .num_planes = 1, + .char_per_block = { 1, }, .block_w = { 8, }, .block_h = { 1, }, .hsub = 1, .vsub = 1, .is_color_indexed = true }, + { .format = DRM_FORMAT_C2, .depth = 2, .num_planes = 1, + .char_per_block = { 1, }, .block_w = { 4, }, .block_h = { 1, }, .hsub = 1, .vsub = 1, .is_color_indexed = true }, + { .format = DRM_FORMAT_C4, .depth = 4, .num_planes = 1, + .char_per_block = { 1, }, .block_w = { 2, }, .block_h = { 1, }, .hsub = 1, .vsub = 1, .is_color_indexed = true }, { .format = DRM_FORMAT_C8, .depth = 8, .num_planes = 1, .cpp = { 1, 0, 0 }, .hsub = 1, .vsub = 1, .is_color_indexed = true }, { .format = DRM_FORMAT_R8, .depth = 8, .num_planes = 1, .cpp = { 1, 0, 0 }, .hsub = 1, .vsub = 1 }, { .format = DRM_FORMAT_R10, .depth = 10, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 }, |