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Add drm_draw_can_convert_from_xrgb8888() function that can be used to
determine if a XRGB8888 color can be converted to the specified format.
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Signed-off-by: Francesco Valla <francesco@valla.it>
Link: https://patch.msgid.link/20251217-drm_draw_conv_check-v3-1-15b6f8bc1cbc@valla.it
Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com>
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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: 31fa2c1ca0b2 ("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>
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Move the color conversions, blit and fill functions to drm_draw.c,
so that they can be re-used by drm_log.
drm_draw is internal to the drm subsystem, and shouldn't be used by
gpu drivers.
Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20241204160014.1171469-2-jfalempe@redhat.com
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