From: Javier Martinez Canillas <javierm@redhat.com>
To: Thomas Zimmermann <tzimmermann@suse.de>,
maarten.lankhorst@linux.intel.com, mripard@kernel.org
Cc: linux-fbdev@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
dri-devel@lists.freedesktop.org,
Mikko Perttunen <mperttunen@nvidia.com>,
Thierry Reding <thierry.reding@gmail.com>,
Thomas Zimmermann <tzimmermann@suse.de>,
linux-tegra@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 05/12] drm/tegra: Store pointer to vmap'ed framebuffer in screen_buffer
Date: Fri, 07 Jul 2023 12:12:19 +0200 [thread overview]
Message-ID: <87pm54xc70.fsf@minerva.mail-host-address-is-not-set> (raw)
In-Reply-To: <20230707083422.18691-6-tzimmermann@suse.de>
Thomas Zimmermann <tzimmermann@suse.de> writes:
> Tegra uses DMA-able memory, which has to be acessed with CPU ops
> for system-memory. Store the framebuffer's vmap address in struct
> fb_info.screen_buffer. The currently used field 'screen_base' is
> for I/O memory.
>
> Suggested-by: Thierry Reding <thierry.reding@gmail.com>
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
> Cc: Thierry Reding <thierry.reding@gmail.com>
> Cc: Mikko Perttunen <mperttunen@nvidia.com>
> ---
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
--
Best regards,
Javier Martinez Canillas
Core Platforms
Red Hat
WARNING: multiple messages have this Message-ID (diff)
From: Javier Martinez Canillas <javierm@redhat.com>
To: Thomas Zimmermann <tzimmermann@suse.de>,
maarten.lankhorst@linux.intel.com, mripard@kernel.org
Cc: dri-devel@lists.freedesktop.org,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-tegra@vger.kernel.org,
linux-fbdev@vger.kernel.org,
Thomas Zimmermann <tzimmermann@suse.de>,
Thierry Reding <thierry.reding@gmail.com>,
Mikko Perttunen <mperttunen@nvidia.com>
Subject: Re: [PATCH v3 05/12] drm/tegra: Store pointer to vmap'ed framebuffer in screen_buffer
Date: Fri, 07 Jul 2023 12:12:19 +0200 [thread overview]
Message-ID: <87pm54xc70.fsf@minerva.mail-host-address-is-not-set> (raw)
In-Reply-To: <20230707083422.18691-6-tzimmermann@suse.de>
Thomas Zimmermann <tzimmermann@suse.de> writes:
> Tegra uses DMA-able memory, which has to be acessed with CPU ops
> for system-memory. Store the framebuffer's vmap address in struct
> fb_info.screen_buffer. The currently used field 'screen_base' is
> for I/O memory.
>
> Suggested-by: Thierry Reding <thierry.reding@gmail.com>
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
> Cc: Thierry Reding <thierry.reding@gmail.com>
> Cc: Mikko Perttunen <mperttunen@nvidia.com>
> ---
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
--
Best regards,
Javier Martinez Canillas
Core Platforms
Red Hat
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Javier Martinez Canillas <javierm@redhat.com>
To: Thomas Zimmermann <tzimmermann@suse.de>,
maarten.lankhorst@linux.intel.com, mripard@kernel.org
Cc: dri-devel@lists.freedesktop.org,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-tegra@vger.kernel.org,
linux-fbdev@vger.kernel.org,
Thomas Zimmermann <tzimmermann@suse.de>,
Thierry Reding <thierry.reding@gmail.com>,
Mikko Perttunen <mperttunen@nvidia.com>
Subject: Re: [PATCH v3 05/12] drm/tegra: Store pointer to vmap'ed framebuffer in screen_buffer
Date: Fri, 07 Jul 2023 12:12:19 +0200 [thread overview]
Message-ID: <87pm54xc70.fsf@minerva.mail-host-address-is-not-set> (raw)
In-Reply-To: <20230707083422.18691-6-tzimmermann@suse.de>
Thomas Zimmermann <tzimmermann@suse.de> writes:
> Tegra uses DMA-able memory, which has to be acessed with CPU ops
> for system-memory. Store the framebuffer's vmap address in struct
> fb_info.screen_buffer. The currently used field 'screen_base' is
> for I/O memory.
>
> Suggested-by: Thierry Reding <thierry.reding@gmail.com>
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
> Cc: Thierry Reding <thierry.reding@gmail.com>
> Cc: Mikko Perttunen <mperttunen@nvidia.com>
> ---
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
--
Best regards,
Javier Martinez Canillas
Core Platforms
Red Hat
next prev parent reply other threads:[~2023-07-07 10:12 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-07 8:31 [PATCH v3 00/12] drm: Improve fbdev emulation for DMA-able framebuffers Thomas Zimmermann
2023-07-07 8:31 ` Thomas Zimmermann
2023-07-07 8:31 ` Thomas Zimmermann
2023-07-07 8:31 ` [PATCH v3 01/12] fbdev: Add fb_ops init macros for framebuffers in DMA-able memory Thomas Zimmermann
2023-07-07 8:31 ` Thomas Zimmermann
2023-07-07 8:31 ` Thomas Zimmermann
2023-07-07 8:31 ` [PATCH v3 02/12] drm/fbdev-dma: Use fbdev DMA helpers Thomas Zimmermann
2023-07-07 8:31 ` Thomas Zimmermann
2023-07-07 8:31 ` Thomas Zimmermann
2023-07-07 8:31 ` [PATCH v3 03/12] drm/tegra: " Thomas Zimmermann
2023-07-07 8:31 ` Thomas Zimmermann
2023-07-07 8:31 ` Thomas Zimmermann
2023-07-07 12:27 ` Thierry Reding
2023-07-07 12:27 ` Thierry Reding
2023-07-07 12:27 ` Thierry Reding
2023-07-07 8:31 ` [PATCH v3 04/12] drm/tegra: Set fbdev FBINFO_VIRTFB flag Thomas Zimmermann
2023-07-07 8:31 ` Thomas Zimmermann
2023-07-07 8:31 ` Thomas Zimmermann
2023-07-07 12:27 ` Thierry Reding
2023-07-07 12:27 ` Thierry Reding
2023-07-07 12:27 ` Thierry Reding
2023-07-07 8:31 ` [PATCH v3 05/12] drm/tegra: Store pointer to vmap'ed framebuffer in screen_buffer Thomas Zimmermann
2023-07-07 8:31 ` Thomas Zimmermann
2023-07-07 8:31 ` Thomas Zimmermann
2023-07-07 10:12 ` Javier Martinez Canillas [this message]
2023-07-07 10:12 ` Javier Martinez Canillas
2023-07-07 10:12 ` Javier Martinez Canillas
2023-07-07 12:27 ` Thierry Reding
2023-07-07 12:27 ` Thierry Reding
2023-07-07 12:27 ` Thierry Reding
2023-07-07 8:31 ` [PATCH v3 06/12] drm/exynos: Use fbdev DMA helpers Thomas Zimmermann
2023-07-07 8:31 ` Thomas Zimmermann
2023-07-07 8:31 ` Thomas Zimmermann
2023-07-07 8:31 ` [PATCH v3 07/12] drm/exynos: Set fbdev FBINFO_VIRTFB flag Thomas Zimmermann
2023-07-07 8:31 ` Thomas Zimmermann
2023-07-07 8:31 ` Thomas Zimmermann
2023-07-07 8:31 ` [PATCH v3 08/12] drm/omapdrm: Set VM flags in GEM-object mmap function Thomas Zimmermann
2023-07-07 8:31 ` Thomas Zimmermann
2023-07-07 8:31 ` Thomas Zimmermann
2023-07-07 8:32 ` [PATCH v3 09/12] drm/omapdrm: Use GEM mmap for fbdev emulation Thomas Zimmermann
2023-07-07 8:32 ` Thomas Zimmermann
2023-07-07 8:32 ` Thomas Zimmermann
2023-07-07 8:32 ` [PATCH v3 10/12] drm/omapdrm: Set fbdev FBINFO_VIRTFB flag Thomas Zimmermann
2023-07-07 8:32 ` Thomas Zimmermann
2023-07-07 8:32 ` Thomas Zimmermann
2023-07-07 8:32 ` [PATCH v3 11/12] fbdev: Remove FB_DEFAULT_SYS_OPS Thomas Zimmermann
2023-07-07 8:32 ` Thomas Zimmermann
2023-07-07 8:32 ` Thomas Zimmermann
2023-07-07 8:32 ` [PATCH v3 12/12] fbdev: Harmonize some comments in <linux/fb.h> Thomas Zimmermann
2023-07-07 8:32 ` Thomas Zimmermann
2023-07-07 8:32 ` Thomas Zimmermann
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