From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gustavo Padovan Subject: [PATCH -v3 01/11] drm/exynos: atomic phase 1: use drm_plane_helper_update() Date: Fri, 3 Apr 2015 15:09:33 -0300 Message-ID: <1428084583-14616-2-git-send-email-gustavo@padovan.org> References: <1428084583-14616-1-git-send-email-gustavo@padovan.org> Return-path: Received: from mail-yk0-f180.google.com ([209.85.160.180]:36267 "EHLO mail-yk0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753112AbbDCSJv (ORCPT ); Fri, 3 Apr 2015 14:09:51 -0400 Received: by ykcn8 with SMTP id n8so30765705ykc.3 for ; Fri, 03 Apr 2015 11:09:50 -0700 (PDT) In-Reply-To: <1428084583-14616-1-git-send-email-gustavo@padovan.org> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: linux-samsung-soc@vger.kernel.org Cc: dri-devel@lists.freedesktop.org, inki.dae@samsung.com, jy0922.shim@samsung.com, Gustavo Padovan From: Gustavo Padovan Rip out the check from exynos_update_plane() and create exynos_check_plane() for the check phase enabling use to use the atomic helpers to call our check and update phases when updating planes. Update all users of exynos_update_plane() accordingly to call exynos_check_plane() before. Signed-off-by: Gustavo Padovan --- drivers/gpu/drm/exynos/exynos_drm_crtc.c | 29 ++++++++++++------------ drivers/gpu/drm/exynos/exynos_drm_plane.c | 37 ++++++++++++++++++++++--------- drivers/gpu/drm/exynos/exynos_drm_plane.h | 2 +- 3 files changed, 43 insertions(+), 25 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index eb49195..1c0d936 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -116,6 +116,7 @@ static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, struct drm_framebuffer *fb = crtc->primary->fb; unsigned int crtc_w; unsigned int crtc_h; + int ret; /* when framebuffer changing is requested, crtc's dpms should be on */ if (exynos_crtc->dpms > DRM_MODE_DPMS_ON) { @@ -123,11 +124,16 @@ static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, return -EPERM; } + ret = exynos_check_plane(crtc->primary, fb); + if (ret) + return ret; + crtc_w = fb->width - x; crtc_h = fb->height - y; + exynos_update_plane(crtc->primary, crtc, fb, 0, 0, + crtc_w, crtc_h, x, y, crtc_w, crtc_h); - return exynos_update_plane(crtc->primary, crtc, fb, 0, 0, - crtc_w, crtc_h, x, y, crtc_w, crtc_h); + return 0; } static void exynos_drm_crtc_disable(struct drm_crtc *crtc) @@ -164,7 +170,6 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc, { struct drm_device *dev = crtc->dev; struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); - struct drm_framebuffer *old_fb = crtc->primary->fb; unsigned int crtc_w, crtc_h; int ret; @@ -183,6 +188,10 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc, goto out; } + ret = exynos_check_plane(crtc->primary, fb); + if (ret) + goto out; + ret = drm_vblank_get(dev, exynos_crtc->pipe); if (ret) { DRM_DEBUG("failed to acquire vblank counter\n"); @@ -201,17 +210,9 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc, crtc->primary->fb = fb; crtc_w = fb->width - crtc->x; crtc_h = fb->height - crtc->y; - ret = exynos_update_plane(crtc->primary, crtc, fb, 0, 0, - crtc_w, crtc_h, crtc->x, crtc->y, - crtc_w, crtc_h); - if (ret) { - crtc->primary->fb = old_fb; - spin_lock_irq(&dev->event_lock); - exynos_crtc->event = NULL; - drm_vblank_put(dev, exynos_crtc->pipe); - spin_unlock_irq(&dev->event_lock); - return ret; - } + exynos_update_plane(crtc->primary, crtc, fb, 0, 0, + crtc_w, crtc_h, crtc->x, crtc->y, + crtc_w, crtc_h); return 0; diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c index 2b0479e..5a37816 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_plane.c +++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c @@ -140,21 +140,15 @@ void exynos_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc, plane->crtc = crtc; } -int +void exynos_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, struct drm_framebuffer *fb, int crtc_x, int crtc_y, unsigned int crtc_w, unsigned int crtc_h, uint32_t src_x, uint32_t src_y, uint32_t src_w, uint32_t src_h) { - struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane); - int ret; - - ret = exynos_check_plane(plane, fb); - if (ret < 0) - return ret; exynos_plane_mode_set(plane, crtc, fb, crtc_x, crtc_y, crtc_w, crtc_h, src_x >> 16, src_y >> 16, @@ -162,8 +156,6 @@ exynos_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, if (exynos_crtc->ops->win_commit) exynos_crtc->ops->win_commit(exynos_crtc, exynos_plane->zpos); - - return 0; } static int exynos_disable_plane(struct drm_plane *plane) @@ -179,11 +171,34 @@ static int exynos_disable_plane(struct drm_plane *plane) } static struct drm_plane_funcs exynos_plane_funcs = { - .update_plane = exynos_update_plane, + .update_plane = drm_plane_helper_update, .disable_plane = exynos_disable_plane, .destroy = drm_plane_cleanup, }; +static int exynos_plane_atomic_check(struct drm_plane *plane, + struct drm_plane_state *state) +{ + return exynos_check_plane(plane, state->fb); +} + +static void exynos_plane_atomic_update(struct drm_plane *plane, + struct drm_plane_state *old_state) +{ + struct drm_plane_state *state = plane->state; + + exynos_update_plane(plane, state->crtc, state->fb, + state->crtc_x, state->crtc_y, + state->crtc_w, state->crtc_h, + state->src_x >> 16, state->src_y >> 16, + state->src_w >> 16, state->src_h >> 16); +} + +static const struct drm_plane_helper_funcs plane_helper_funcs = { + .atomic_check = exynos_plane_atomic_check, + .atomic_update = exynos_plane_atomic_update, +}; + static void exynos_plane_attach_zpos_property(struct drm_plane *plane, unsigned int zpos) { @@ -219,6 +234,8 @@ int exynos_plane_init(struct drm_device *dev, return err; } + drm_plane_helper_add(&exynos_plane->base, &plane_helper_funcs); + exynos_plane->zpos = zpos; if (type == DRM_PLANE_TYPE_OVERLAY) diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.h b/drivers/gpu/drm/exynos/exynos_drm_plane.h index f360590..560ca71 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_plane.h +++ b/drivers/gpu/drm/exynos/exynos_drm_plane.h @@ -15,7 +15,7 @@ void exynos_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc, unsigned int crtc_w, unsigned int crtc_h, uint32_t src_x, uint32_t src_y, uint32_t src_w, uint32_t src_h); -int exynos_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, +void exynos_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, struct drm_framebuffer *fb, int crtc_x, int crtc_y, unsigned int crtc_w, unsigned int crtc_h, uint32_t src_x, uint32_t src_y, -- 2.1.0