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BAYES_HAM(-3.00)[100.00%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; TO_MATCH_ENVRCPT_ALL(0.00)[]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,suse.de:mid,suse.de:email]; FREEMAIL_TO(0.00)[ffwll.ch,gmail.com,redhat.com]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; RCPT_COUNT_SEVEN(0.00)[10]; FUZZY_BLOCKED(0.00)[rspamd.com]; R_RATELIMIT(0.00)[to_ip_from(RLw9gjjhh8cousxs3wi4trssza),to(RLazpx1r3qpnsfr8nfakn)]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FREEMAIL_ENVRCPT(0.00)[gmail.com] X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Rework fbdev probing to support fbdev_probe in struct drm_driver and reimplement the old fb_probe callback on top of it. Provide an initializer macro for struct drm_driver that sets the callback according to the kernel configuration. This change allows the common fbdev client to run on top of SHMEM- based DRM drivers. Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/drm_fbdev_shmem.c | 60 ++++++++++++++++++------------- include/drm/drm_fbdev_shmem.h | 11 ++++++ 2 files changed, 47 insertions(+), 24 deletions(-) diff --git a/drivers/gpu/drm/drm_fbdev_shmem.c b/drivers/gpu/drm/drm_fbdev_shmem.c index 0c785007f11b..3bca333917d1 100644 --- a/drivers/gpu/drm/drm_fbdev_shmem.c +++ b/drivers/gpu/drm/drm_fbdev_shmem.c @@ -107,6 +107,40 @@ static struct page *drm_fbdev_shmem_get_page(struct fb_info *info, unsigned long static int drm_fbdev_shmem_helper_fb_probe(struct drm_fb_helper *fb_helper, struct drm_fb_helper_surface_size *sizes) +{ + return drm_fbdev_shmem_driver_fbdev_probe(fb_helper, sizes); +} + +static int drm_fbdev_shmem_helper_fb_dirty(struct drm_fb_helper *helper, + struct drm_clip_rect *clip) +{ + struct drm_device *dev = helper->dev; + int ret; + + /* Call damage handlers only if necessary */ + if (!(clip->x1 < clip->x2 && clip->y1 < clip->y2)) + return 0; + + if (helper->fb->funcs->dirty) { + ret = helper->fb->funcs->dirty(helper->fb, NULL, 0, 0, clip, 1); + if (drm_WARN_ONCE(dev, ret, "Dirty helper failed: ret=%d\n", ret)) + return ret; + } + + return 0; +} + +static const struct drm_fb_helper_funcs drm_fbdev_shmem_helper_funcs = { + .fb_probe = drm_fbdev_shmem_helper_fb_probe, + .fb_dirty = drm_fbdev_shmem_helper_fb_dirty, +}; + +/* + * struct drm_driver + */ + +int drm_fbdev_shmem_driver_fbdev_probe(struct drm_fb_helper *fb_helper, + struct drm_fb_helper_surface_size *sizes) { struct drm_client_dev *client = &fb_helper->client; struct drm_device *dev = fb_helper->dev; @@ -139,6 +173,7 @@ static int drm_fbdev_shmem_helper_fb_probe(struct drm_fb_helper *fb_helper, goto err_drm_client_buffer_delete; } + fb_helper->funcs = &drm_fbdev_shmem_helper_funcs; fb_helper->buffer = buffer; fb_helper->fb = fb; @@ -182,30 +217,7 @@ static int drm_fbdev_shmem_helper_fb_probe(struct drm_fb_helper *fb_helper, drm_client_framebuffer_delete(buffer); return ret; } - -static int drm_fbdev_shmem_helper_fb_dirty(struct drm_fb_helper *helper, - struct drm_clip_rect *clip) -{ - struct drm_device *dev = helper->dev; - int ret; - - /* Call damage handlers only if necessary */ - if (!(clip->x1 < clip->x2 && clip->y1 < clip->y2)) - return 0; - - if (helper->fb->funcs->dirty) { - ret = helper->fb->funcs->dirty(helper->fb, NULL, 0, 0, clip, 1); - if (drm_WARN_ONCE(dev, ret, "Dirty helper failed: ret=%d\n", ret)) - return ret; - } - - return 0; -} - -static const struct drm_fb_helper_funcs drm_fbdev_shmem_helper_funcs = { - .fb_probe = drm_fbdev_shmem_helper_fb_probe, - .fb_dirty = drm_fbdev_shmem_helper_fb_dirty, -}; +EXPORT_SYMBOL(drm_fbdev_shmem_driver_fbdev_probe); /* * struct drm_client_funcs diff --git a/include/drm/drm_fbdev_shmem.h b/include/drm/drm_fbdev_shmem.h index fb43cadd1950..3a5d1efa9d55 100644 --- a/include/drm/drm_fbdev_shmem.h +++ b/include/drm/drm_fbdev_shmem.h @@ -4,12 +4,23 @@ #define DRM_FBDEV_SHMEM_H struct drm_device; +struct drm_fb_helper; +struct drm_fb_helper_surface_size; #ifdef CONFIG_DRM_FBDEV_EMULATION +int drm_fbdev_shmem_driver_fbdev_probe(struct drm_fb_helper *fb_helper, + struct drm_fb_helper_surface_size *sizes); + +#define DRM_FBDEV_SHMEM_DRIVER_OPS \ + .fbdev_probe = drm_fbdev_shmem_driver_fbdev_probe + void drm_fbdev_shmem_setup(struct drm_device *dev, unsigned int preferred_bpp); #else static inline void drm_fbdev_shmem_setup(struct drm_device *dev, unsigned int preferred_bpp) { } + +#define DRM_FBDEV_SHMEM_DRIVER_OPS \ + .fbdev_probe = NULL #endif #endif