From cfe637c4d6fcaffa655405e682f99a3d88e5fad0 Mon Sep 17 00:00:00 2001 From: Thomas Zimmermann Date: Mon, 8 Aug 2022 14:54:01 +0200 Subject: [PATCH] drm/format-helper: Rework RGB888-to-XRGB8888 conversion Update RGB888-to-XRGB8888 conversion to support struct iosys_map and convert all users. Although these are single-plane color formats, the new interface supports multi-plane formats for consistency with drm_fb_blit(). v2: * add TODO on vaddr location (Sam) Signed-off-by: Thomas Zimmermann Reviewed-by: Sam Ravnborg Link: https://patchwork.freedesktop.org/patch/msgid/20220808125406.20752-10-tzimmermann@suse.de --- drivers/gpu/drm/drm_format_helper.c | 26 +++++++++++++++++++------- 1 file changed, 19 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/drm_format_helper.c b/drivers/gpu/drm/drm_format_helper.c index b390d52..8083f5b 100644 --- a/drivers/gpu/drm/drm_format_helper.c +++ b/drivers/gpu/drm/drm_format_helper.c @@ -514,12 +514,25 @@ static void drm_fb_rgb888_to_xrgb8888_line(void *dbuf, const void *sbuf, unsigne } } -static void drm_fb_rgb888_to_xrgb8888_toio(void __iomem *dst, unsigned int dst_pitch, - const void *vaddr, const struct drm_framebuffer *fb, - const struct drm_rect *clip) +static void drm_fb_rgb888_to_xrgb8888(struct iosys_map *dst, const unsigned int *dst_pitch, + const struct iosys_map *vmap, + const struct drm_framebuffer *fb, + const struct drm_rect *clip) { - drm_fb_xfrm_toio(dst, dst_pitch, 4, vaddr, fb, clip, false, - drm_fb_rgb888_to_xrgb8888_line); + static const unsigned int default_dst_pitch[DRM_FORMAT_MAX_PLANES] = { + 0, 0, 0, 0 + }; + + if (!dst_pitch) + dst_pitch = default_dst_pitch; + + /* TODO: handle vmap in I/O memory here */ + if (dst[0].is_iomem) + drm_fb_xfrm_toio(dst[0].vaddr_iomem, dst_pitch[0], 4, vmap[0].vaddr, fb, + clip, false, drm_fb_rgb888_to_xrgb8888_line); + else + drm_fb_xfrm(dst[0].vaddr, dst_pitch[0], 4, vmap[0].vaddr, fb, + clip, false, drm_fb_rgb888_to_xrgb8888_line); } static void drm_fb_xrgb8888_to_xrgb2101010_line(void *dbuf, const void *sbuf, unsigned int pixels) @@ -660,8 +673,7 @@ int drm_fb_blit(struct iosys_map *dst, const unsigned int *dst_pitch, uint32_t d } } else if (dst_format == DRM_FORMAT_XRGB8888) { if (fb_format == DRM_FORMAT_RGB888) { - drm_fb_rgb888_to_xrgb8888_toio(dst[0].vaddr_iomem, dst_pitch[0], - vmap[0].vaddr, fb, clip); + drm_fb_rgb888_to_xrgb8888(dst, dst_pitch, vmap, fb, clip); return 0; } else if (fb_format == DRM_FORMAT_RGB565) { drm_fb_rgb565_to_xrgb8888(dst, dst_pitch, vmap, fb, clip); -- 2.7.4