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From: Thomas Zimmermann <tzimmermann@suse.de>
To: javierm@redhat.com, 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: [PATCH v3 04/12] drm/tegra: Set fbdev FBINFO_VIRTFB flag
Date: Fri,  7 Jul 2023 10:31:55 +0200	[thread overview]
Message-ID: <20230707083422.18691-5-tzimmermann@suse.de> (raw)
In-Reply-To: <20230707083422.18691-1-tzimmermann@suse.de>

Mark the framebuffer with FBINFO_VIRTFB. The framebuffer range is
in DMA-able memory and should be accessed with the CPU's regular
memory ops.

v2:
	* drop FBINFO_DEFAULT

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Mikko Perttunen <mperttunen@nvidia.com>
---
 drivers/gpu/drm/tegra/fbdev.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/tegra/fbdev.c b/drivers/gpu/drm/tegra/fbdev.c
index 82577b7c88da..d8460c5dc91e 100644
--- a/drivers/gpu/drm/tegra/fbdev.c
+++ b/drivers/gpu/drm/tegra/fbdev.c
@@ -132,6 +132,7 @@ static int tegra_fbdev_probe(struct drm_fb_helper *helper,
 		}
 	}
 
+	info->flags |= FBINFO_VIRTFB;
 	info->screen_base = (void __iomem *)bo->vaddr + offset;
 	info->screen_size = size;
 	info->fix.smem_start = (unsigned long)(bo->iova + offset);
-- 
2.41.0


WARNING: multiple messages have this Message-ID (diff)
From: Thomas Zimmermann <tzimmermann@suse.de>
To: javierm@redhat.com, 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: [PATCH v3 04/12] drm/tegra: Set fbdev FBINFO_VIRTFB flag
Date: Fri,  7 Jul 2023 10:31:55 +0200	[thread overview]
Message-ID: <20230707083422.18691-5-tzimmermann@suse.de> (raw)
In-Reply-To: <20230707083422.18691-1-tzimmermann@suse.de>

Mark the framebuffer with FBINFO_VIRTFB. The framebuffer range is
in DMA-able memory and should be accessed with the CPU's regular
memory ops.

v2:
	* drop FBINFO_DEFAULT

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Mikko Perttunen <mperttunen@nvidia.com>
---
 drivers/gpu/drm/tegra/fbdev.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/tegra/fbdev.c b/drivers/gpu/drm/tegra/fbdev.c
index 82577b7c88da..d8460c5dc91e 100644
--- a/drivers/gpu/drm/tegra/fbdev.c
+++ b/drivers/gpu/drm/tegra/fbdev.c
@@ -132,6 +132,7 @@ static int tegra_fbdev_probe(struct drm_fb_helper *helper,
 		}
 	}
 
+	info->flags |= FBINFO_VIRTFB;
 	info->screen_base = (void __iomem *)bo->vaddr + offset;
 	info->screen_size = size;
 	info->fix.smem_start = (unsigned long)(bo->iova + offset);
-- 
2.41.0


_______________________________________________
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: Thomas Zimmermann <tzimmermann@suse.de>
To: javierm@redhat.com, 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: [PATCH v3 04/12] drm/tegra: Set fbdev FBINFO_VIRTFB flag
Date: Fri,  7 Jul 2023 10:31:55 +0200	[thread overview]
Message-ID: <20230707083422.18691-5-tzimmermann@suse.de> (raw)
In-Reply-To: <20230707083422.18691-1-tzimmermann@suse.de>

Mark the framebuffer with FBINFO_VIRTFB. The framebuffer range is
in DMA-able memory and should be accessed with the CPU's regular
memory ops.

v2:
	* drop FBINFO_DEFAULT

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Mikko Perttunen <mperttunen@nvidia.com>
---
 drivers/gpu/drm/tegra/fbdev.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/tegra/fbdev.c b/drivers/gpu/drm/tegra/fbdev.c
index 82577b7c88da..d8460c5dc91e 100644
--- a/drivers/gpu/drm/tegra/fbdev.c
+++ b/drivers/gpu/drm/tegra/fbdev.c
@@ -132,6 +132,7 @@ static int tegra_fbdev_probe(struct drm_fb_helper *helper,
 		}
 	}
 
+	info->flags |= FBINFO_VIRTFB;
 	info->screen_base = (void __iomem *)bo->vaddr + offset;
 	info->screen_size = size;
 	info->fix.smem_start = (unsigned long)(bo->iova + offset);
-- 
2.41.0


  parent reply	other threads:[~2023-07-07  8:34 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 ` Thomas Zimmermann [this message]
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 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
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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