diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_fb.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fb.c | 41 |
1 files changed, 14 insertions, 27 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c index d48fd7c918f8..6592f50d460a 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fb.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c @@ -145,13 +145,19 @@ static struct drm_framebuffer * exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd) { + const struct drm_format_info *info = drm_get_format_info(dev, mode_cmd); struct exynos_drm_gem *exynos_gem[MAX_FB_BUFFER]; struct drm_gem_object *obj; struct drm_framebuffer *fb; int i; int ret; - for (i = 0; i < drm_format_num_planes(mode_cmd->pixel_format); i++) { + for (i = 0; i < info->num_planes; i++) { + unsigned int height = (i == 0) ? mode_cmd->height : + DIV_ROUND_UP(mode_cmd->height, info->vsub); + unsigned long size = height * mode_cmd->pitches[i] + + mode_cmd->offsets[i]; + obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[i]); if (!obj) { DRM_ERROR("failed to lookup gem object\n"); @@ -160,6 +166,12 @@ exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv, } exynos_gem[i] = to_exynos_gem(obj); + + if (size > exynos_gem[i]->size) { + i++; + ret = -EINVAL; + goto err; + } } fb = exynos_drm_framebuffer_init(dev, mode_cmd, exynos_gem, i); @@ -187,33 +199,8 @@ dma_addr_t exynos_drm_fb_dma_addr(struct drm_framebuffer *fb, int index) return exynos_fb->dma_addr[index]; } -static void exynos_drm_atomic_commit_tail(struct drm_atomic_state *state) -{ - struct drm_device *dev = state->dev; - - drm_atomic_helper_commit_modeset_disables(dev, state); - - drm_atomic_helper_commit_modeset_enables(dev, state); - - /* - * Exynos can't update planes with CRTCs and encoders disabled, - * its updates routines, specially for FIMD, requires the clocks - * to be enabled. So it is necessary to handle the modeset operations - * *before* the commit_planes() step, this way it will always - * have the relevant clocks enabled to perform the update. - */ - drm_atomic_helper_commit_planes(dev, state, - DRM_PLANE_COMMIT_ACTIVE_ONLY); - - drm_atomic_helper_commit_hw_done(state); - - drm_atomic_helper_wait_for_vblanks(dev, state); - - drm_atomic_helper_cleanup_planes(dev, state); -} - static struct drm_mode_config_helper_funcs exynos_drm_mode_config_helpers = { - .atomic_commit_tail = exynos_drm_atomic_commit_tail, + .atomic_commit_tail = drm_atomic_helper_commit_tail_rpm, }; static const struct drm_mode_config_funcs exynos_drm_mode_config_funcs = { |