kernel/linux.git/drivers/gpu/drm/drm_format_helper.c, branch v5.10.263

drm/format-helper: Add drm_fb_swab()

2020-05-26T11:33:08+00:00

This replaces drm_fb_swab16() with drm_fb_swab() supporting 16 and 32-bit. Also make pixel line caching optional. v2: - Bail out on cpp != 2 && 4 (Sam) Reviewed-by: Sam Ravnborg Signed-off-by: Noralf Trønnes Link: https://patchwork.freedesktop.org/patch/msgid/20200509141619.32970-8-noralf@tronnes.org

drm/format_helper: Dual licence the file in GPL 2 and MIT

2020-02-17T09:27:13+00:00

Contributors for this file are : Gerd Hoffmann Maxime Ripard Noralf Trønnes Acked-by: Noralf Trønnes Acked-by: Gerd Hoffmann Acked-by: Maxime Ripard Signed-off-by: Emmanuel Vadot Signed-off-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20200215180911.18299-3-manu@FreeBSD.org

drm: Remove users of drm_format_info_plane_cpp

2019-05-20T11:35:56+00:00

drm_format_info_plane_cpp() basically just returns the cpp array content found in the drm_format_info structure. Since it's pretty trivial, let's remove the function and have the users use the array directly Suggested-by: Ville Syrjälä Reviewed-by: Paul Kocialkowski Signed-off-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/c0a78c87cd0410a1819edad2794ad06543c85bb5.1558002671.git-series.maxime.ripard@bootlin.com

drm/fourcc: Pass the format_info pointer to drm_format_plane_cpp

2019-05-20T11:33:46+00:00

So far, the drm_format_plane_cpp function was operating on the format's fourcc and was doing a lookup to retrieve the drm_format_info structure and return the cpp. However, this is inefficient since in most cases, we will have the drm_format_info pointer already available so we shouldn't have to perform a new lookup. Some drm_fourcc functions also already operate on the drm_format_info pointer for that reason, so the API is quite inconsistent there. Let's follow the latter pattern and remove the extra lookup while being a bit more consistent. In order to be extra consistent, also rename that function to drm_format_info_plane_cpp and to a static function in the header to match the current policy. Reviewed-by: Emil Velikov Reviewed-by: Paul Kocialkowski Signed-off-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/32aa13e53dbc98a90207fd290aa8e79f785fb11e.1558002671.git-series.maxime.ripard@bootlin.com

drm: add drm_format_helper.c to kerneldoc

2019-04-17T07:39:22+00:00

Also drop the dstclip parameter sphinx has warned about (leftover from an earlier patch version). Signed-off-by: Gerd Hoffmann Acked-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/20190416090533.28374-1-kraxel@redhat.com

drm: fix drm_fb_xrgb8888_to_rgb888_dstclip()

2019-04-11T15:00:10+00:00

Oops, the __iomem annotation was added to the header file only. Add it to the implementation (and documentation) too. Fixes: 5c5373b51bec ("drm: switch drm_fb_xrgb8888_to_rgb888_dstclip to accept __iomem dst") Signed-off-by: Gerd Hoffmann Reviewed-by: Noralf Trønnes Link: http://patchwork.freedesktop.org/patch/msgid/20190411044932.13247-1-kraxel@redhat.com

drm: switch drm_fb_xrgb8888_to_rgb888_dstclip to accept __iomem dst

2019-04-10T19:11:12+00:00

Not all archs have the __io_virt() macro, so cirrus can't simply convert pointers that way. The drm format helpers have to use memcpy_toio() instead. This patch makes drm_fb_xrgb8888_to_rgb888_dstclip() accept a __iomem dst pointer and use memcpy_toio() instead of memcpy(). The helper function (drm_fb_xrgb8888_to_rgb888_line) has been changed to process a single scanline. Signed-off-by: Gerd Hoffmann Reviewed-by: Noralf Trønnes Link: http://patchwork.freedesktop.org/patch/msgid/20190410063815.17062-4-kraxel@redhat.com

drm: switch drm_fb_xrgb8888_to_rgb565_dstclip to accept __iomem dst

2019-04-10T19:11:11+00:00

Not all archs have the __io_virt() macro, so cirrus can't simply convert pointers that way. The drm format helpers have to use memcpy_toio() instead. This patch makes drm_fb_xrgb8888_to_rgb565_dstclip() accept a __iomem dst pointer and use memcpy_toio() instead of memcpy(). The helper function (drm_fb_xrgb8888_to_rgb565_line) has been changed to process a single scanline. Signed-off-by: Gerd Hoffmann Reviewed-by: Noralf Trønnes Link: http://patchwork.freedesktop.org/patch/msgid/20190410063815.17062-3-kraxel@redhat.com

drm: switch drm_fb_memcpy_dstclip to accept __iomem dst

2019-04-10T19:11:11+00:00

Not all archs have the __io_virt() macro, so cirrus can't simply convert pointers that way. The drm format helpers have to use memcpy_toio() instead. This patch makes drm_fb_memcpy_dstclip() accept a __iomem dst pointer and use memcpy_toio() instead of memcpy(). With that separating out the memcpy loop into the drm_fb_memcpy_lines() helper isn't useful any more, so move the code back into the calling functins. Signed-off-by: Gerd Hoffmann Reviewed-by: Noralf Trønnes Link: http://patchwork.freedesktop.org/patch/msgid/20190410063815.17062-2-kraxel@redhat.com

drm: add drm_fb_xrgb8888_to_rgb888_dstclip()

2019-04-08T04:59:27+00:00

Simliar to drm_fb_xrgb8888_to_rgb565_dstclip() but converts to rgb888 instead of rgb565. Signed-off-by: Gerd Hoffmann Reviewed-by: Noralf Trønnes Link: http://patchwork.freedesktop.org/patch/msgid/20190405095219.9231-5-kraxel@redhat.com