diff options
author | Thomas Zimmermann <tzimmermann@suse.de> | 2023-02-15 19:15:02 +0300 |
---|---|---|
committer | Thomas Zimmermann <tzimmermann@suse.de> | 2023-03-13 12:35:57 +0300 |
commit | 5635adcb34b3f402dc013446d9e57eb534ab8c48 (patch) | |
tree | 078dc77665f6f79a7fda68bcadb9a00563c46fbd /drivers/gpu/drm | |
parent | d1c0cc8d0d7008856cf425c64d7203f95beed841 (diff) | |
download | linux-5635adcb34b3f402dc013446d9e57eb534ab8c48.tar.xz |
drm/cirrus: Replace cpp value with format
Using components per pixel to describe a color format is obsolete.
Use the format info and 4CC value instead.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230215161517.5113-3-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r-- | drivers/gpu/drm/tiny/cirrus.c | 50 |
1 files changed, 26 insertions, 24 deletions
diff --git a/drivers/gpu/drm/tiny/cirrus.c b/drivers/gpu/drm/tiny/cirrus.c index 7fb21db8416d..67e83fa42a32 100644 --- a/drivers/gpu/drm/tiny/cirrus.c +++ b/drivers/gpu/drm/tiny/cirrus.c @@ -58,7 +58,7 @@ struct cirrus_device { struct drm_device dev; struct drm_simple_display_pipe pipe; struct drm_connector conn; - unsigned int cpp; + const struct drm_format_info *format; unsigned int pitch; void __iomem *vram; void __iomem *mmio; @@ -126,34 +126,34 @@ static void wreg_hdr(struct cirrus_device *cirrus, u8 val) iowrite8(val, cirrus->mmio + VGA_DAC_MASK); } -static int cirrus_convert_to(struct drm_framebuffer *fb) +static const struct drm_format_info *cirrus_convert_to(struct drm_framebuffer *fb) { - if (fb->format->cpp[0] == 4 && fb->pitches[0] > CIRRUS_MAX_PITCH) { + if (fb->format->format == DRM_FORMAT_XRGB8888 && fb->pitches[0] > CIRRUS_MAX_PITCH) { if (fb->width * 3 <= CIRRUS_MAX_PITCH) /* convert from XR24 to RG24 */ - return 3; + return drm_format_info(DRM_FORMAT_RGB888); else /* convert from XR24 to RG16 */ - return 2; + return drm_format_info(DRM_FORMAT_RGB565); } - return 0; + return NULL; } -static int cirrus_cpp(struct drm_framebuffer *fb) +static const struct drm_format_info *cirrus_format(struct drm_framebuffer *fb) { - int convert_cpp = cirrus_convert_to(fb); + const struct drm_format_info *format = cirrus_convert_to(fb); - if (convert_cpp) - return convert_cpp; - return fb->format->cpp[0]; + if (format) + return format; + return fb->format; } static int cirrus_pitch(struct drm_framebuffer *fb) { - int convert_cpp = cirrus_convert_to(fb); + const struct drm_format_info *format = cirrus_convert_to(fb); - if (convert_cpp) - return convert_cpp * fb->width; + if (format) + return drm_format_info_min_pitch(format, 0, fb->width); return fb->pitches[0]; } @@ -263,20 +263,20 @@ static int cirrus_mode_set(struct cirrus_device *cirrus, sr07 &= 0xe0; hdr = 0; - cirrus->cpp = cirrus_cpp(fb); - switch (cirrus->cpp * 8) { - case 8: + cirrus->format = cirrus_format(fb); + switch (cirrus->format->format) { + case DRM_FORMAT_C8: sr07 |= 0x11; break; - case 16: + case DRM_FORMAT_RGB565: sr07 |= 0x17; hdr = 0xc1; break; - case 24: + case DRM_FORMAT_RGB888: sr07 |= 0x15; hdr = 0xc5; break; - case 32: + case DRM_FORMAT_XRGB8888: sr07 |= 0x19; hdr = 0xc5; break; @@ -329,13 +329,15 @@ static int cirrus_fb_blit_rect(struct drm_framebuffer *fb, iosys_map_set_vaddr_iomem(&dst, cirrus->vram); iosys_map_incr(&dst, drm_fb_clip_offset(cirrus->pitch, fb->format, rect)); - if (cirrus->cpp == fb->format->cpp[0]) { + if (cirrus->format == fb->format) { drm_fb_memcpy(&dst, fb->pitches, vmap, fb, rect); - } else if (fb->format->cpp[0] == 4 && cirrus->cpp == 2) { + } else if (fb->format->format == DRM_FORMAT_XRGB8888 && + cirrus->format->format == DRM_FORMAT_RGB565) { drm_fb_xrgb8888_to_rgb565(&dst, &cirrus->pitch, vmap, fb, rect, false); - } else if (fb->format->cpp[0] == 4 && cirrus->cpp == 3) { + } else if (fb->format->format == DRM_FORMAT_XRGB8888 && + cirrus->format->format == DRM_FORMAT_RGB565) { drm_fb_xrgb8888_to_rgb888(&dst, &cirrus->pitch, vmap, fb, rect); } else { @@ -450,7 +452,7 @@ static void cirrus_pipe_update(struct drm_simple_display_pipe *pipe, struct drm_crtc *crtc = &pipe->crtc; struct drm_rect rect; - if (state->fb && cirrus->cpp != cirrus_cpp(state->fb)) + if (state->fb && cirrus->format != cirrus_format(state->fb)) cirrus_mode_set(cirrus, &crtc->mode, state->fb); if (drm_atomic_helper_damage_merged(old_state, state, &rect)) |