From: Javier Martinez Canillas <javierm@redhat.com>
To: Thomas Zimmermann <tzimmermann@suse.de>
Cc: dri-devel@lists.freedesktop.org, Thomas Zimmermann <tzimmermann@suse.de>
Subject: Re: [PATCH 4/9] drm/sysfb: Blit to CRTC destination format
Date: Fri, 11 Jul 2025 14:10:08 +0200 [thread overview]
Message-ID: <87sej3dj33.fsf@minerva.mail-host-address-is-not-set> (raw)
In-Reply-To: <20250617143649.143967-5-tzimmermann@suse.de>
Thomas Zimmermann <tzimmermann@suse.de> writes:
> Use the color format stored in struct drm_sysfb_crtc_state for
> color-format conversion instead of the scanout-buffer format
> announced by firmware. Currently, both values are identical.
>
> This will allow drivers to modify the CRTC's output format to a
> certain extend. Specifically, vesadrm will be able to display RGB
> framebuffers when the scanout buffer is of C8 format. With color-
> format conversion to RGB332 and correct setup of the C8 palette,
> output of XRGB8888-based buffers can be achieved.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
> ---
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
--
Best regards,
Javier Martinez Canillas
Core Platforms
Red Hat
next prev parent reply other threads:[~2025-07-11 12:10 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-17 14:23 [PATCH 0/9] drm/vesadrm: Support 8-bit palettes Thomas Zimmermann
2025-06-17 14:23 ` [PATCH 1/9] video: pixel_format: Add compare helpers Thomas Zimmermann
2025-07-11 11:55 ` Javier Martinez Canillas
2025-06-17 14:23 ` [PATCH 2/9] video: screen_info: Add pixel-format helper for linear framebuffers Thomas Zimmermann
2025-07-11 11:58 ` Javier Martinez Canillas
2025-06-17 14:23 ` [PATCH 3/9] drm/sysfb: Find screen_info format with helpers Thomas Zimmermann
2025-07-11 12:08 ` Javier Martinez Canillas
2025-06-17 14:23 ` [PATCH 4/9] drm/sysfb: Blit to CRTC destination format Thomas Zimmermann
2025-07-11 12:10 ` Javier Martinez Canillas [this message]
2025-06-17 14:23 ` [PATCH 5/9] drm/color-mgmt: Prepare for RGB332 palettes Thomas Zimmermann
2025-07-11 12:24 ` Javier Martinez Canillas
2025-07-11 12:30 ` Thomas Zimmermann
2025-07-14 7:13 ` Thomas Zimmermann
2025-06-17 14:23 ` [PATCH 6/9] drm/format-helper: Add XRGB8888-to-RGB332 to drm_fb_blit() Thomas Zimmermann
2025-07-11 12:25 ` Javier Martinez Canillas
2025-06-17 14:23 ` [PATCH 7/9] drm/vesadrm: Rename vesadrm_set_gamma_lut() to vesadrm_set_color_lut() Thomas Zimmermann
2025-07-11 12:25 ` Javier Martinez Canillas
2025-06-17 14:23 ` [PATCH 8/9] drm/vesadrm: Prepare color management for palette-based framebuffers Thomas Zimmermann
2025-07-11 12:26 ` Javier Martinez Canillas
2025-06-17 14:23 ` [PATCH 9/9] drm/vesadrm: Support DRM_FORMAT_C8 Thomas Zimmermann
2025-07-11 12:33 ` Javier Martinez Canillas
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