Use the buffer mappings provided by shadow-plane helpers. As the mappings are established while the commit can still fail, errors are now reported correctly to callers. Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx> --- drivers/gpu/drm/drm_mipi_dbi.c | 31 +++++++++++-------------------- drivers/gpu/drm/tiny/ili9225.c | 28 ++++++++++------------------ drivers/gpu/drm/tiny/st7586.c | 22 ++++++++++------------ 3 files changed, 31 insertions(+), 50 deletions(-) diff --git a/drivers/gpu/drm/drm_mipi_dbi.c b/drivers/gpu/drm/drm_mipi_dbi.c index 3030344d25b48..d45824a65c9fd 100644 --- a/drivers/gpu/drm/drm_mipi_dbi.c +++ b/drivers/gpu/drm/drm_mipi_dbi.c @@ -323,12 +323,13 @@ EXPORT_SYMBOL(mipi_dbi_pipe_mode_valid); void mipi_dbi_pipe_update(struct drm_simple_display_pipe *pipe, struct drm_plane_state *old_state) { - struct iosys_map map[DRM_FORMAT_MAX_PLANES]; - struct iosys_map data[DRM_FORMAT_MAX_PLANES]; struct drm_plane_state *state = pipe->plane.state; + struct mipi_dbi_plane_state *mipi_dbi_plane_state = + to_mipi_dbi_plane_state(state); + struct drm_shadow_plane_state *shadow_plane_state = + &mipi_dbi_plane_state->shadow_plane_state; struct drm_framebuffer *fb = state->fb; struct drm_rect rect; - int ret; if (!pipe->crtc.state->active) return; @@ -336,14 +337,8 @@ void mipi_dbi_pipe_update(struct drm_simple_display_pipe *pipe, if (WARN_ON(!fb)) return; - ret = drm_gem_fb_vmap(fb, map, data); - if (ret) - return; - if (drm_atomic_helper_damage_merged(old_state, state, &rect)) - mipi_dbi_fb_dirty(&data[0], fb, &rect); - - drm_gem_fb_vunmap(fb, map); + mipi_dbi_fb_dirty(&shadow_plane_state->data[0], fb, &rect); } EXPORT_SYMBOL(mipi_dbi_pipe_update); @@ -364,6 +359,10 @@ void mipi_dbi_enable_flush(struct mipi_dbi_dev *dbidev, struct drm_crtc_state *crtc_state, struct drm_plane_state *plane_state) { + struct mipi_dbi_plane_state *mipi_dbi_plane_state = + to_mipi_dbi_plane_state(plane_state); + struct drm_shadow_plane_state *shadow_plane_state = + &mipi_dbi_plane_state->shadow_plane_state; struct drm_framebuffer *fb = plane_state->fb; struct drm_rect rect = { .x1 = 0, @@ -371,22 +370,14 @@ void mipi_dbi_enable_flush(struct mipi_dbi_dev *dbidev, .y1 = 0, .y2 = fb->height, }; - struct iosys_map map[DRM_FORMAT_MAX_PLANES]; - struct iosys_map data[DRM_FORMAT_MAX_PLANES]; - int idx, ret; + int idx; if (!drm_dev_enter(&dbidev->drm, &idx)) return; - ret = drm_gem_fb_vmap(fb, map, data); - if (ret) - goto err_drm_dev_exit; - - mipi_dbi_fb_dirty(&data[0], fb, &rect); + mipi_dbi_fb_dirty(&shadow_plane_state->data[0], fb, &rect); backlight_enable(dbidev->backlight); - drm_gem_fb_vunmap(fb, map); -err_drm_dev_exit: drm_dev_exit(idx); } EXPORT_SYMBOL(mipi_dbi_enable_flush); diff --git a/drivers/gpu/drm/tiny/ili9225.c b/drivers/gpu/drm/tiny/ili9225.c index 9e55ce28b4552..ba5681b63ffbf 100644 --- a/drivers/gpu/drm/tiny/ili9225.c +++ b/drivers/gpu/drm/tiny/ili9225.c @@ -163,24 +163,19 @@ static void ili9225_fb_dirty(struct iosys_map *src, struct drm_framebuffer *fb, static void ili9225_pipe_update(struct drm_simple_display_pipe *pipe, struct drm_plane_state *old_state) { - struct iosys_map map[DRM_FORMAT_MAX_PLANES]; - struct iosys_map data[DRM_FORMAT_MAX_PLANES]; struct drm_plane_state *state = pipe->plane.state; + struct mipi_dbi_plane_state *mipi_dbi_plane_state = + to_mipi_dbi_plane_state(state); + struct drm_shadow_plane_state *shadow_plane_state = + &mipi_dbi_plane_state->shadow_plane_state; struct drm_framebuffer *fb = state->fb; struct drm_rect rect; - int ret; if (!pipe->crtc.state->active) return; - ret = drm_gem_fb_vmap(fb, map, data); - if (ret) - return; - if (drm_atomic_helper_damage_merged(old_state, state, &rect)) - ili9225_fb_dirty(&data[0], fb, &rect); - - drm_gem_fb_vunmap(fb, map); + ili9225_fb_dirty(&shadow_plane_state->data[0], fb, &rect); } static void ili9225_pipe_enable(struct drm_simple_display_pipe *pipe, @@ -188,6 +183,10 @@ static void ili9225_pipe_enable(struct drm_simple_display_pipe *pipe, struct drm_plane_state *plane_state) { struct mipi_dbi_dev *dbidev = drm_to_mipi_dbi_dev(pipe->crtc.dev); + struct mipi_dbi_plane_state *mipi_dbi_plane_state = + to_mipi_dbi_plane_state(plane_state); + struct drm_shadow_plane_state *shadow_plane_state = + &mipi_dbi_plane_state->shadow_plane_state; struct drm_framebuffer *fb = plane_state->fb; struct device *dev = pipe->crtc.dev->dev; struct mipi_dbi *dbi = &dbidev->dbi; @@ -197,8 +196,6 @@ static void ili9225_pipe_enable(struct drm_simple_display_pipe *pipe, .y1 = 0, .y2 = fb->height, }; - struct iosys_map map[DRM_FORMAT_MAX_PLANES]; - struct iosys_map data[DRM_FORMAT_MAX_PLANES]; int ret, idx; u8 am_id; @@ -289,13 +286,8 @@ static void ili9225_pipe_enable(struct drm_simple_display_pipe *pipe, ili9225_command(dbi, ILI9225_DISPLAY_CONTROL_1, 0x1017); - ret = drm_gem_fb_vmap(fb, map, data); - if (ret) - goto out_exit; - - ili9225_fb_dirty(&data[0], fb, &rect); + ili9225_fb_dirty(&shadow_plane_state->data[0], fb, &rect); - drm_gem_fb_vunmap(fb, map); out_exit: drm_dev_exit(idx); } diff --git a/drivers/gpu/drm/tiny/st7586.c b/drivers/gpu/drm/tiny/st7586.c index 76b13cefc904f..ddaa82c2e58ae 100644 --- a/drivers/gpu/drm/tiny/st7586.c +++ b/drivers/gpu/drm/tiny/st7586.c @@ -153,19 +153,18 @@ static void st7586_pipe_update(struct drm_simple_display_pipe *pipe, struct drm_plane_state *old_state) { struct drm_plane_state *state = pipe->plane.state; + struct mipi_dbi_plane_state *mipi_dbi_plane_state = + to_mipi_dbi_plane_state(state); + struct drm_shadow_plane_state *shadow_plane_state = + &mipi_dbi_plane_state->shadow_plane_state; struct drm_framebuffer *fb = state->fb; - struct drm_gem_dma_object *dma_obj; - struct iosys_map src; struct drm_rect rect; if (!pipe->crtc.state->active) return; - dma_obj = drm_fb_dma_get_gem_obj(fb, 0); - iosys_map_set_vaddr(&src, dma_obj->vaddr); - if (drm_atomic_helper_damage_merged(old_state, state, &rect)) - st7586_fb_dirty(&src, fb, &rect); + st7586_fb_dirty(&shadow_plane_state->data[0], fb, &rect); } static void st7586_pipe_enable(struct drm_simple_display_pipe *pipe, @@ -173,6 +172,10 @@ static void st7586_pipe_enable(struct drm_simple_display_pipe *pipe, struct drm_plane_state *plane_state) { struct mipi_dbi_dev *dbidev = drm_to_mipi_dbi_dev(pipe->crtc.dev); + struct mipi_dbi_plane_state *mipi_dbi_plane_state = + to_mipi_dbi_plane_state(plane_state); + struct drm_shadow_plane_state *shadow_plane_state = + &mipi_dbi_plane_state->shadow_plane_state; struct drm_framebuffer *fb = plane_state->fb; struct mipi_dbi *dbi = &dbidev->dbi; struct drm_rect rect = { @@ -181,8 +184,6 @@ static void st7586_pipe_enable(struct drm_simple_display_pipe *pipe, .y1 = 0, .y2 = fb->height, }; - struct drm_gem_dma_object *dma_obj; - struct iosys_map src; int idx, ret; u8 addr_mode; @@ -242,10 +243,7 @@ static void st7586_pipe_enable(struct drm_simple_display_pipe *pipe, msleep(100); - dma_obj = drm_fb_dma_get_gem_obj(fb, 0); - iosys_map_set_vaddr(&src, dma_obj->vaddr); - - st7586_fb_dirty(&src, fb, &rect); + st7586_fb_dirty(&shadow_plane_state->data[0], fb, &rect); mipi_dbi_command(dbi, MIPI_DCS_SET_DISPLAY_ON); out_exit: -- 2.38.1