| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Mon, 25 Mar 2024 10:20:02 -0300
From: Maíra Canal <mcanal@...lia.com>
To: Louis Chauvet <louis.chauvet@...tlin.com>,
Rodrigo Siqueira <rodrigosiqueiramelo@...il.com>,
Melissa Wen <melissa.srw@...il.com>,
Haneen Mohammed <hamohammed.sa@...il.com>, Daniel Vetter <daniel@...ll.ch>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>, arthurgrillo@...eup.net,
Jonathan Corbet <corbet@....net>, pekka.paalanen@...oniitty.fi
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
jeremie.dautheribes@...tlin.com, miquel.raynal@...tlin.com,
thomas.petazzoni@...tlin.com, seanpaul@...gle.com, marcheu@...gle.com,
nicolejadeyee@...gle.com
Subject: Re: [PATCH v5 02/16] drm/vkms: Use drm_frame directly
On 3/13/24 14:44, Louis Chauvet wrote:
> From: Arthur Grillo <arthurgrillo@...eup.net>
>
> Remove intermidiary variables and access the variables directly from
> drm_frame. These changes should be noop.
>
> Signed-off-by: Arthur Grillo <arthurgrillo@...eup.net>
> Signed-off-by: Louis Chauvet <louis.chauvet@...tlin.com>
> ---
> drivers/gpu/drm/vkms/vkms_drv.h | 3 ---
> drivers/gpu/drm/vkms/vkms_formats.c | 12 +++++++-----
> drivers/gpu/drm/vkms/vkms_plane.c | 3 ---
> drivers/gpu/drm/vkms/vkms_writeback.c | 5 -----
> 4 files changed, 7 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/gpu/drm/vkms/vkms_drv.h b/drivers/gpu/drm/vkms/vkms_drv.h
> index 8f5710debb1e..b4b357447292 100644
> --- a/drivers/gpu/drm/vkms/vkms_drv.h
> +++ b/drivers/gpu/drm/vkms/vkms_drv.h
> @@ -31,9 +31,6 @@ struct vkms_frame_info {
> struct drm_rect rotated;
> struct iosys_map map[DRM_FORMAT_MAX_PLANES];
> unsigned int rotation;
> - unsigned int offset;
> - unsigned int pitch;
> - unsigned int cpp;
> };
>
> struct pixel_argb_u16 {
> diff --git a/drivers/gpu/drm/vkms/vkms_formats.c b/drivers/gpu/drm/vkms/vkms_formats.c
> index 36046b12f296..172830a3936a 100644
> --- a/drivers/gpu/drm/vkms/vkms_formats.c
> +++ b/drivers/gpu/drm/vkms/vkms_formats.c
> @@ -11,8 +11,10 @@
>
> static size_t pixel_offset(const struct vkms_frame_info *frame_info, int x, int y)
> {
> - return frame_info->offset + (y * frame_info->pitch)
> - + (x * frame_info->cpp);
> + struct drm_framebuffer *fb = frame_info->fb;
> +
> + return fb->offsets[0] + (y * fb->pitches[0])
> + + (x * fb->format->cpp[0]);
Nitpicking: Could this be packed into a single line?
Anyway,
Reviewed-by: Maíra Canal <mcanal@...lia.com>
Best Regards,
- Maíra
> }
>
> /*
> @@ -131,12 +133,12 @@ void vkms_compose_row(struct line_buffer *stage_buffer, struct vkms_plane_state
> u8 *src_pixels = get_packed_src_addr(frame_info, y);
> int limit = min_t(size_t, drm_rect_width(&frame_info->dst), stage_buffer->n_pixels);
>
> - for (size_t x = 0; x < limit; x++, src_pixels += frame_info->cpp) {
> + for (size_t x = 0; x < limit; x++, src_pixels += frame_info->fb->format->cpp[0]) {
> int x_pos = get_x_position(frame_info, limit, x);
>
> if (drm_rotation_90_or_270(frame_info->rotation))
> src_pixels = get_packed_src_addr(frame_info, x + frame_info->rotated.y1)
> - + frame_info->cpp * y;
> + + frame_info->fb->format->cpp[0] * y;
>
> plane->pixel_read(src_pixels, &out_pixels[x_pos]);
> }
> @@ -223,7 +225,7 @@ void vkms_writeback_row(struct vkms_writeback_job *wb,
> struct pixel_argb_u16 *in_pixels = src_buffer->pixels;
> int x_limit = min_t(size_t, drm_rect_width(&frame_info->dst), src_buffer->n_pixels);
>
> - for (size_t x = 0; x < x_limit; x++, dst_pixels += frame_info->cpp)
> + for (size_t x = 0; x < x_limit; x++, dst_pixels += frame_info->fb->format->cpp[0])
> wb->pixel_write(dst_pixels, &in_pixels[x]);
> }
>
> diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c
> index 5a8d295e65f2..21b5adfb44aa 100644
> --- a/drivers/gpu/drm/vkms/vkms_plane.c
> +++ b/drivers/gpu/drm/vkms/vkms_plane.c
> @@ -125,9 +125,6 @@ static void vkms_plane_atomic_update(struct drm_plane *plane,
> drm_rect_rotate(&frame_info->rotated, drm_rect_width(&frame_info->rotated),
> drm_rect_height(&frame_info->rotated), frame_info->rotation);
>
> - frame_info->offset = fb->offsets[0];
> - frame_info->pitch = fb->pitches[0];
> - frame_info->cpp = fb->format->cpp[0];
> vkms_plane_state->pixel_read = get_pixel_conversion_function(fmt);
> }
>
> diff --git a/drivers/gpu/drm/vkms/vkms_writeback.c b/drivers/gpu/drm/vkms/vkms_writeback.c
> index bc724cbd5e3a..c8582df1f739 100644
> --- a/drivers/gpu/drm/vkms/vkms_writeback.c
> +++ b/drivers/gpu/drm/vkms/vkms_writeback.c
> @@ -149,11 +149,6 @@ static void vkms_wb_atomic_commit(struct drm_connector *conn,
> crtc_state->active_writeback = active_wb;
> crtc_state->wb_pending = true;
> spin_unlock_irq(&output->composer_lock);
> -
> - wb_frame_info->offset = fb->offsets[0];
> - wb_frame_info->pitch = fb->pitches[0];
> - wb_frame_info->cpp = fb->format->cpp[0];
> -
> drm_writeback_queue_job(wb_conn, connector_state);
> active_wb->pixel_write = get_pixel_write_function(wb_format);
> drm_rect_init(&wb_frame_info->src, 0, 0, crtc_width, crtc_height);
>
Powered by blists - more mailing lists