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095232711f
The color parameter passed to drm_draw_fill24() was truncated to 16
bits, leading to an incorrect color drawn to the target iosys_map.
Fix this behavior, widening the parameter to 32 bits.
Fixes: 31fa2c1ca0 ("drm/panic: Move drawing functions to drm_draw")
Signed-off-by: Francesco Valla <francesco@valla.it>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://lore.kernel.org/r/20251003-drm_draw_fill24_fix-v1-1-8fb7c1c2a893@valla.it
Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com>
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 or MIT */
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/*
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* Copyright (c) 2023 Red Hat.
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* Author: Jocelyn Falempe <jfalempe@redhat.com>
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*/
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#ifndef __DRM_DRAW_INTERNAL_H__
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#define __DRM_DRAW_INTERNAL_H__
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#include <linux/font.h>
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#include <linux/types.h>
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struct iosys_map;
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/* check if the pixel at coord x,y is 1 (foreground) or 0 (background) */
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static inline bool drm_draw_is_pixel_fg(const u8 *sbuf8, unsigned int spitch, int x, int y)
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{
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return (sbuf8[(y * spitch) + x / 8] & (0x80 >> (x % 8))) != 0;
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}
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static inline const u8 *drm_draw_get_char_bitmap(const struct font_desc *font,
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char c, size_t font_pitch)
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{
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return font->data + (c * font->height) * font_pitch;
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}
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u32 drm_draw_color_from_xrgb8888(u32 color, u32 format);
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void drm_draw_blit16(struct iosys_map *dmap, unsigned int dpitch,
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const u8 *sbuf8, unsigned int spitch,
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unsigned int height, unsigned int width,
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unsigned int scale, u16 fg16);
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void drm_draw_blit24(struct iosys_map *dmap, unsigned int dpitch,
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const u8 *sbuf8, unsigned int spitch,
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unsigned int height, unsigned int width,
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unsigned int scale, u32 fg32);
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void drm_draw_blit32(struct iosys_map *dmap, unsigned int dpitch,
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const u8 *sbuf8, unsigned int spitch,
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unsigned int height, unsigned int width,
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unsigned int scale, u32 fg32);
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void drm_draw_fill16(struct iosys_map *dmap, unsigned int dpitch,
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unsigned int height, unsigned int width,
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u16 color);
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void drm_draw_fill24(struct iosys_map *dmap, unsigned int dpitch,
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unsigned int height, unsigned int width,
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u32 color);
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void drm_draw_fill32(struct iosys_map *dmap, unsigned int dpitch,
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unsigned int height, unsigned int width,
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u32 color);
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#endif /* __DRM_DRAW_INTERNAL_H__ */
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