Searched hist:"913 ec479" (Results 1 – 4 of 4) sorted by relevance
/openbmc/linux/drivers/gpu/drm/mgag200/ |
H A D | Kconfig | 913ec479 Fri May 15 03:32:33 CDT 2020 Thomas Zimmermann <tzimmermann@suse.de> drm/mgag200: Replace VRAM helpers with SHMEM helpers
The VRAM helpers managed the framebuffer memory for mgag200. This came with several problems, as some MGA device require the scanout address to be located at VRAM offset 0. It's incompatible with the page-flip semantics of DRM's atomic modesettting. With atomic modesetting, old and new framebuffers have to be located in VRAM at the same time. So at least one of them has to reside at a non-0 offset.
This patch replaces VRAM helpers with SHMEM helpers. GEM SHMEM buffers reside in system memory, and are shadow-copied into VRAM during page flips. The shadow copy always starts at VRAM offset 0.
v2: * revert dev->pdev changes
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Tested-by: John Donnelly <John.p.donnelly@oracle.com> Acked-by: Emil Velikov <emil.velikov@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200515083233.32036-16-tzimmermann@suse.de 913ec479 Fri May 15 03:32:33 CDT 2020 Thomas Zimmermann <tzimmermann@suse.de> drm/mgag200: Replace VRAM helpers with SHMEM helpers The VRAM helpers managed the framebuffer memory for mgag200. This came with several problems, as some MGA device require the scanout address to be located at VRAM offset 0. It's incompatible with the page-flip semantics of DRM's atomic modesettting. With atomic modesetting, old and new framebuffers have to be located in VRAM at the same time. So at least one of them has to reside at a non-0 offset. This patch replaces VRAM helpers with SHMEM helpers. GEM SHMEM buffers reside in system memory, and are shadow-copied into VRAM during page flips. The shadow copy always starts at VRAM offset 0. v2: * revert dev->pdev changes Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Tested-by: John Donnelly <John.p.donnelly@oracle.com> Acked-by: Emil Velikov <emil.velikov@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200515083233.32036-16-tzimmermann@suse.de
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H A D | mgag200_drv.c | 913ec479 Fri May 15 03:32:33 CDT 2020 Thomas Zimmermann <tzimmermann@suse.de> drm/mgag200: Replace VRAM helpers with SHMEM helpers
The VRAM helpers managed the framebuffer memory for mgag200. This came with several problems, as some MGA device require the scanout address to be located at VRAM offset 0. It's incompatible with the page-flip semantics of DRM's atomic modesettting. With atomic modesetting, old and new framebuffers have to be located in VRAM at the same time. So at least one of them has to reside at a non-0 offset.
This patch replaces VRAM helpers with SHMEM helpers. GEM SHMEM buffers reside in system memory, and are shadow-copied into VRAM during page flips. The shadow copy always starts at VRAM offset 0.
v2: * revert dev->pdev changes
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Tested-by: John Donnelly <John.p.donnelly@oracle.com> Acked-by: Emil Velikov <emil.velikov@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200515083233.32036-16-tzimmermann@suse.de 913ec479 Fri May 15 03:32:33 CDT 2020 Thomas Zimmermann <tzimmermann@suse.de> drm/mgag200: Replace VRAM helpers with SHMEM helpers The VRAM helpers managed the framebuffer memory for mgag200. This came with several problems, as some MGA device require the scanout address to be located at VRAM offset 0. It's incompatible with the page-flip semantics of DRM's atomic modesettting. With atomic modesetting, old and new framebuffers have to be located in VRAM at the same time. So at least one of them has to reside at a non-0 offset. This patch replaces VRAM helpers with SHMEM helpers. GEM SHMEM buffers reside in system memory, and are shadow-copied into VRAM during page flips. The shadow copy always starts at VRAM offset 0. v2: * revert dev->pdev changes Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Tested-by: John Donnelly <John.p.donnelly@oracle.com> Acked-by: Emil Velikov <emil.velikov@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200515083233.32036-16-tzimmermann@suse.de
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H A D | mgag200_drv.h | 913ec479 Fri May 15 03:32:33 CDT 2020 Thomas Zimmermann <tzimmermann@suse.de> drm/mgag200: Replace VRAM helpers with SHMEM helpers
The VRAM helpers managed the framebuffer memory for mgag200. This came with several problems, as some MGA device require the scanout address to be located at VRAM offset 0. It's incompatible with the page-flip semantics of DRM's atomic modesettting. With atomic modesetting, old and new framebuffers have to be located in VRAM at the same time. So at least one of them has to reside at a non-0 offset.
This patch replaces VRAM helpers with SHMEM helpers. GEM SHMEM buffers reside in system memory, and are shadow-copied into VRAM during page flips. The shadow copy always starts at VRAM offset 0.
v2: * revert dev->pdev changes
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Tested-by: John Donnelly <John.p.donnelly@oracle.com> Acked-by: Emil Velikov <emil.velikov@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200515083233.32036-16-tzimmermann@suse.de 913ec479 Fri May 15 03:32:33 CDT 2020 Thomas Zimmermann <tzimmermann@suse.de> drm/mgag200: Replace VRAM helpers with SHMEM helpers The VRAM helpers managed the framebuffer memory for mgag200. This came with several problems, as some MGA device require the scanout address to be located at VRAM offset 0. It's incompatible with the page-flip semantics of DRM's atomic modesettting. With atomic modesetting, old and new framebuffers have to be located in VRAM at the same time. So at least one of them has to reside at a non-0 offset. This patch replaces VRAM helpers with SHMEM helpers. GEM SHMEM buffers reside in system memory, and are shadow-copied into VRAM during page flips. The shadow copy always starts at VRAM offset 0. v2: * revert dev->pdev changes Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Tested-by: John Donnelly <John.p.donnelly@oracle.com> Acked-by: Emil Velikov <emil.velikov@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200515083233.32036-16-tzimmermann@suse.de
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H A D | mgag200_mode.c | 913ec479 Fri May 15 03:32:33 CDT 2020 Thomas Zimmermann <tzimmermann@suse.de> drm/mgag200: Replace VRAM helpers with SHMEM helpers
The VRAM helpers managed the framebuffer memory for mgag200. This came with several problems, as some MGA device require the scanout address to be located at VRAM offset 0. It's incompatible with the page-flip semantics of DRM's atomic modesettting. With atomic modesetting, old and new framebuffers have to be located in VRAM at the same time. So at least one of them has to reside at a non-0 offset.
This patch replaces VRAM helpers with SHMEM helpers. GEM SHMEM buffers reside in system memory, and are shadow-copied into VRAM during page flips. The shadow copy always starts at VRAM offset 0.
v2: * revert dev->pdev changes
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Tested-by: John Donnelly <John.p.donnelly@oracle.com> Acked-by: Emil Velikov <emil.velikov@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200515083233.32036-16-tzimmermann@suse.de 913ec479 Fri May 15 03:32:33 CDT 2020 Thomas Zimmermann <tzimmermann@suse.de> drm/mgag200: Replace VRAM helpers with SHMEM helpers The VRAM helpers managed the framebuffer memory for mgag200. This came with several problems, as some MGA device require the scanout address to be located at VRAM offset 0. It's incompatible with the page-flip semantics of DRM's atomic modesettting. With atomic modesetting, old and new framebuffers have to be located in VRAM at the same time. So at least one of them has to reside at a non-0 offset. This patch replaces VRAM helpers with SHMEM helpers. GEM SHMEM buffers reside in system memory, and are shadow-copied into VRAM during page flips. The shadow copy always starts at VRAM offset 0. v2: * revert dev->pdev changes Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Tested-by: John Donnelly <John.p.donnelly@oracle.com> Acked-by: Emil Velikov <emil.velikov@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200515083233.32036-16-tzimmermann@suse.de
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