From: Boris Brezillon <boris.brezillon@collabora.com>
To: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Cc: kernel@collabora.com, Mihail Atanassov <mihail.atanassov@arm.com>,
David Airlie <airlied@linux.ie>,
Liviu Dudau <liviu.dudau@arm.com>,
Sandy Huang <hjc@rock-chips.com>,
dri-devel@lists.freedesktop.org,
James Wang <james.qian.wang@arm.com>,
Ayan Halder <Ayan.Halder@arm.com>, Sean Paul <sean@poorly.run>
Subject: Re: [PATCHv5 02/34] drm/gem-fb-helper: Allow drivers to allocate struct drm_framebuffer on their own
Date: Thu, 20 Feb 2020 10:47:22 +0100 [thread overview]
Message-ID: <20200220104722.123efc2c@collabora.com> (raw)
In-Reply-To: <20191217145020.14645-3-andrzej.p@collabora.com>
On Tue, 17 Dec 2019 15:49:48 +0100
Andrzej Pietrasiewicz <andrzej.p@collabora.com> wrote:
> +/**
> + * drm_gem_fb_size_check() - Helper function for use in
> + * &drm_mode_config_funcs.fb_create implementations
> + * @dev: DRM device
> + * @mode_cmd: Metadata from the userspace framebuffer creation request
> + *
> + * This function can be used to verify buffer sizes for all planes.
> + * It is caller's responsibility to put the objects on failure.
> + *
> + * Returns:
> + * Zero on success or a negative error code on failure.
> + */
> +int drm_gem_fb_size_check(struct drm_device *dev,
> + const struct drm_mode_fb_cmd2 *mode_cmd,
> + struct drm_gem_object **objs)
Maybe we should rename that one drm_gem_fb_linear_size_check().
> +{
> + const struct drm_format_info *info;
> + int i;
> +
> + info = drm_get_format_info(dev, mode_cmd);
> + if (!info)
> + return -EINVAL;
> +
> + for (i = 0; i < info->num_planes; i++) {
> + unsigned int width = mode_cmd->width / (i ? info->hsub : 1);
> + unsigned int height = mode_cmd->height / (i ? info->vsub : 1);
> + unsigned int min_size;
> +
> + min_size = (height - 1) * mode_cmd->pitches[i]
> + + drm_format_info_min_pitch(info, i, width)
> + + mode_cmd->offsets[i];
> +
> + if (objs[i]->size < min_size)
> + return -EINVAL;
> + }
> +
> + return 0;
> +
> +}
> +EXPORT_SYMBOL_GPL(drm_gem_fb_size_check);
> +
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next prev parent reply other threads:[~2020-02-20 9:47 UTC|newest]
Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-13 15:58 [PATCHv4 00/36] AFBC support for Rockchip Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 01/36] drm/framebuffer: Add optional modifier info Andrzej Pietrasiewicz
2020-02-17 5:50 ` [PATCHv4,01/36] " james qian wang (Arm Technology China)
2019-12-13 15:58 ` [PATCHv4 02/36] drm/core: Add afbc helper functions Andrzej Pietrasiewicz
2020-02-17 6:09 ` [PATCHv4,02/36] " james qian wang (Arm Technology China)
2019-12-13 15:58 ` [PATCHv4 03/36] drm/gem-fb-helper: Allow drivers to allocate struct drm_framebuffer on their own Andrzej Pietrasiewicz
2019-12-16 17:08 ` Liviu Dudau
2019-12-16 20:37 ` Andrzej Pietrasiewicz
2020-02-17 6:39 ` [PATCHv4,03/36] " james qian wang (Arm Technology China)
2019-12-13 15:58 ` [PATCHv4 04/36] drm/gem-fb-helper: Add special version of drm_gem_fb_size_check Andrzej Pietrasiewicz
2019-12-16 17:11 ` Liviu Dudau
2020-02-17 8:16 ` [PATCHv4,04/36] " james qian wang (Arm Technology China)
2020-02-17 10:55 ` Andrzej Pietrasiewicz
2020-02-17 11:34 ` james qian wang (Arm Technology China)
2019-12-13 15:58 ` [PATCHv4 05/36] drm/gem-fb-helper: Add generic afbc size checks Andrzej Pietrasiewicz
2019-12-16 17:19 ` Liviu Dudau
2019-12-16 18:41 ` Andrzej Pietrasiewicz
2019-12-17 9:18 ` Liviu Dudau
2020-02-17 11:02 ` [PATCHv4,05/36] " james qian wang (Arm Technology China)
2019-12-13 15:58 ` [PATCHv4 06/36] drm/gem-fb-helper: Add method to allocate struct drm_framebuffer Andrzej Pietrasiewicz
2019-12-13 17:33 ` Daniel Vetter
2019-12-17 14:49 ` [PATCHv5 00/34] Add AFBC support for Rockchip Andrzej Pietrasiewicz
2019-12-17 14:49 ` [PATCHv5 01/34] drm/core: Add afbc helper functions Andrzej Pietrasiewicz
2020-02-18 3:13 ` james qian wang (Arm Technology China)
2020-02-20 9:19 ` Boris Brezillon
2020-02-20 10:47 ` Boris Brezillon
2019-12-17 14:49 ` [PATCHv5 02/34] drm/gem-fb-helper: Allow drivers to allocate struct drm_framebuffer on their own Andrzej Pietrasiewicz
2020-02-18 3:34 ` james qian wang (Arm Technology China)
2020-02-20 9:47 ` Boris Brezillon [this message]
2019-12-17 14:49 ` [PATCHv5 03/34] drm/gem-fb-helper: Add special version of drm_gem_fb_size_check Andrzej Pietrasiewicz
2020-02-18 3:42 ` james qian wang (Arm Technology China)
2020-02-20 9:59 ` Boris Brezillon
2019-12-17 14:49 ` [PATCHv5 04/34] drm/gem-fb-helper: Add generic afbc size checks Andrzej Pietrasiewicz
2020-02-18 5:02 ` james qian wang (Arm Technology China)
2019-12-17 14:49 ` [PATCHv5 05/34] drm/komeda: Use afbc helper Andrzej Pietrasiewicz
2019-12-17 14:49 ` [PATCHv5 06/34] drm/komeda: Move checking src coordinates to komeda_fb_create Andrzej Pietrasiewicz
2019-12-17 14:49 ` [PATCHv5 07/34] drm/komeda: Use the already available local variable Andrzej Pietrasiewicz
2019-12-17 14:49 ` [PATCHv5 08/34] drm/komeda: Retrieve drm_format_info once Andrzej Pietrasiewicz
2019-12-17 14:49 ` [PATCHv5 09/34] drm/komeda: Explicitly require 1 plane for AFBC Andrzej Pietrasiewicz
2019-12-17 14:49 ` [PATCHv5 10/34] drm/komeda: Move pitches comparison to komeda_fb_create Andrzej Pietrasiewicz
2019-12-17 14:49 ` [PATCHv5 11/34] drm/komeda: Provide and use komeda_fb_get_pixel_addr variant not requiring a fb Andrzej Pietrasiewicz
2019-12-17 14:49 ` [PATCHv5 12/34] drm/komeda: Factor out object lookups for non-afbc case Andrzej Pietrasiewicz
2019-12-17 14:49 ` [PATCHv5 13/34] drm/komeda: Make komeda_fb_none_size_check independent from framebuffer Andrzej Pietrasiewicz
2019-12-17 14:50 ` [PATCHv5 14/34] drm/komeda: Factor out object lookups for afbc case Andrzej Pietrasiewicz
2019-12-17 14:50 ` [PATCHv5 15/34] drm/komeda: Free komeda_fb_afbc_size_check from framebuffer dependency Andrzej Pietrasiewicz
2019-12-17 14:50 ` [PATCHv5 16/34] drm/komeda: Simplify error handling Andrzej Pietrasiewicz
2019-12-17 14:50 ` [PATCHv5 17/34] drm/komeda: Move object lookup before size checks Andrzej Pietrasiewicz
2019-12-17 14:50 ` [PATCHv5 18/34] drm/komeda: Move object assignments to framebuffer to after " Andrzej Pietrasiewicz
2019-12-17 14:50 ` [PATCHv5 19/34] drm/komeda: Make the size checks independent from framebuffer structure Andrzej Pietrasiewicz
2019-12-17 14:50 ` [PATCHv5 20/34] drm/komeda: Move helper invocation to after size checks Andrzej Pietrasiewicz
2019-12-17 14:50 ` [PATCHv5 21/34] drm/komeda: Use helper for common tasks Andrzej Pietrasiewicz
2019-12-17 14:50 ` [PATCHv5 22/34] drm/komeda: Use return value of drm_gem_fb_lookup Andrzej Pietrasiewicz
2019-12-17 14:50 ` [PATCHv5 23/34] drm/komeda: Use special helper for non-afbc size checks Andrzej Pietrasiewicz
2019-12-17 14:50 ` [PATCHv5 24/34] drm/komeda: Factor in the invocation of special helper Andrzej Pietrasiewicz
2019-12-17 14:50 ` [PATCHv5 25/34] drm/komeda: Use special helper for afbc case size check Andrzej Pietrasiewicz
2019-12-17 14:50 ` [PATCHv5 26/34] drm/komeda: Factor in the invocation of special helper, afbc case Andrzej Pietrasiewicz
2019-12-17 14:50 ` [PATCHv5 27/34] drm/komeda: Move special helper invocation outside if-else Andrzej Pietrasiewicz
2019-12-17 14:50 ` [PATCHv5 28/34] drm/komeda: Move to helper checking afbc buffer size Andrzej Pietrasiewicz
2019-12-17 14:50 ` [PATCHv5 29/34] drm/arm/malidp: Make verify funcitons invocations independent Andrzej Pietrasiewicz
2020-02-20 11:26 ` Boris Brezillon
2020-02-20 11:29 ` Boris Brezillon
2020-02-20 11:35 ` Boris Brezillon
2019-12-17 14:50 ` [PATCHv5 30/34] drm/arm/malidp: Integrate verify functions Andrzej Pietrasiewicz
2019-12-17 14:50 ` [PATCHv5 31/34] drm/arm/malidp: Factor in afbc framebuffer verification Andrzej Pietrasiewicz
2019-12-17 14:50 ` [PATCHv5 32/34] drm/arm/malidp: Use generic helpers for afbc checks Andrzej Pietrasiewicz
2019-12-17 14:50 ` [PATCHv5 33/34] drm/rockchip: Use helper for common task Andrzej Pietrasiewicz
2020-02-20 11:24 ` Boris Brezillon
2019-12-17 14:50 ` [PATCHv5 34/34] drm/rockchip: Add support for afbc Andrzej Pietrasiewicz
2020-02-20 11:20 ` Boris Brezillon
2020-01-30 9:08 ` [PATCHv5 00/34] Add AFBC support for Rockchip Andrzej Pietrasiewicz
2020-01-30 11:44 ` Liviu Dudau
2020-01-30 11:57 ` Andrzej Pietrasiewicz
2020-02-07 11:44 ` Andrzej Pietrasiewicz
2020-02-07 17:10 ` Liviu Dudau
2020-02-20 16:54 ` Daniel Vetter
2020-02-21 19:54 ` Daniel Vetter
2019-12-13 15:58 ` [PATCHv4 07/36] drm/komeda: Use afbc helper Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 08/36] drm/komeda: Move checking src coordinates to komeda_fb_create Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 09/36] drm/komeda: Use the already available local variable Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 10/36] drm/komeda: Retrieve drm_format_info once Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 11/36] drm/komeda: Explicitly require 1 plane for AFBC Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 12/36] drm/komeda: Move pitches comparison to komeda_fb_create Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 13/36] drm/komeda: Provide and use komeda_fb_get_pixel_addr variant not requiring a fb Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 14/36] drm/komeda: Factor out object lookups for non-afbc case Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 15/36] drm/komeda: Make komeda_fb_none_size_check independent from framebuffer Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 16/36] drm/komeda: Factor out object lookups for afbc case Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 17/36] drm/komeda: Free komeda_fb_afbc_size_check from framebuffer dependency Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 18/36] drm/komeda: Simplify error handling Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 19/36] drm/komeda: Move object lookup before size checks Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 20/36] drm/komeda: Move object assignments to framebuffer to after " Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 21/36] drm/komeda: Make the size checks independent from framebuffer structure Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 22/36] drm/komeda: Move helper invocation to after size checks Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 23/36] drm/komeda: Use helper for common tasks Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 24/36] drm/komeda: Use return value of drm_gem_fb_lookup Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 25/36] drm/komeda: Use special helper for non-afbc size checks Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 26/36] drm/komeda: Factor in the invocation of special helper Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 27/36] drm/komeda: Use special helper for afbc case size check Andrzej Pietrasiewicz
2019-12-13 15:58 ` [PATCHv4 28/36] drm/komeda: Factor in the invocation of special helper, afbc case Andrzej Pietrasiewicz
2019-12-13 15:59 ` [PATCHv4 29/36] drm/komeda: Move special helper invocation outside if-else Andrzej Pietrasiewicz
2019-12-13 15:59 ` [PATCHv4 30/36] drm/komeda: Move to helper checking afbc buffer size Andrzej Pietrasiewicz
2019-12-13 15:59 ` [PATCHv4 31/36] drm/arm/malidp: Make verify funcitons invocations independent Andrzej Pietrasiewicz
2019-12-13 15:59 ` [PATCHv4 32/36] drm/arm/malidp: Integrate verify functions Andrzej Pietrasiewicz
2019-12-13 15:59 ` [PATCHv4 33/36] drm/arm/malidp: Factor in afbc framebuffer verification Andrzej Pietrasiewicz
2019-12-13 15:59 ` [PATCHv4 34/36] drm/arm/malidp: Use generic helpers for afbc checks Andrzej Pietrasiewicz
2019-12-13 15:59 ` [PATCHv4 35/36] drm/rockchip: Use helper for common task Andrzej Pietrasiewicz
2019-12-13 15:59 ` [PATCHv4 36/36] drm/rockchip: Add support for afbc Andrzej Pietrasiewicz
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