From bb6c018d3556dd683e3f16d24f2e9d60bcaed1b2 Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Fri, 7 Nov 2014 13:20:50 -0500 Subject: [PATCH] drm/msm/mdp4: drop attached planes table Simplify things a bit for atomic, gets rid of some bookkeeping, and makes the code cleaner. TODO move iterator macro somewhere common. Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c | 41 +++++++++++++------------------- drivers/gpu/drm/msm/msm_kms.h | 5 ++++ 2 files changed, 21 insertions(+), 25 deletions(-) diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c index d0e6c27..a28b161 100644 --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c @@ -25,7 +25,6 @@ struct mdp4_crtc { struct drm_crtc base; char name[8]; - struct drm_plane *planes[8]; int id; int ovlp; enum mdp4_dma dma; @@ -96,15 +95,14 @@ static void crtc_flush(struct drm_crtc *crtc) { struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); struct mdp4_kms *mdp4_kms = get_kms(crtc); - uint32_t i, flush = 0; + struct drm_plane *plane; + uint32_t flush = 0; - for (i = 0; i < ARRAY_SIZE(mdp4_crtc->planes); i++) { - struct drm_plane *plane = mdp4_crtc->planes[i]; - if (plane) { - enum mdp4_pipe pipe_id = mdp4_plane_pipe(plane); - flush |= pipe2flush(pipe_id); - } + for_each_plane_on_crtc(crtc, plane) { + enum mdp4_pipe pipe_id = mdp4_plane_pipe(plane); + flush |= pipe2flush(pipe_id); } + flush |= ovlp2flush(mdp4_crtc->ovlp); DBG("%s: flush=%08x", mdp4_crtc->name, flush); @@ -254,6 +252,7 @@ static void blend_setup(struct drm_crtc *crtc) { struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); struct mdp4_kms *mdp4_kms = get_kms(crtc); + struct drm_plane *plane; int i, ovlp = mdp4_crtc->ovlp; uint32_t mixer_cfg = 0; static const enum mdp_mixer_stage_id stages[] = { @@ -283,19 +282,16 @@ static void blend_setup(struct drm_crtc *crtc) mdp4_write(mdp4_kms, REG_MDP4_OVLP_TRANSP_HIGH0(ovlp), 0); mdp4_write(mdp4_kms, REG_MDP4_OVLP_TRANSP_HIGH1(ovlp), 0); - for (i = 0; i < ARRAY_SIZE(mdp4_crtc->planes); i++) { - struct drm_plane *plane = mdp4_crtc->planes[i]; - if (plane) { - enum mdp4_pipe pipe_id = mdp4_plane_pipe(plane); - int idx = idxs[pipe_id]; - if (idx > 0) { - const struct mdp_format *format = + for_each_plane_on_crtc(crtc, plane) { + enum mdp4_pipe pipe_id = mdp4_plane_pipe(plane); + int idx = idxs[pipe_id]; + if (idx > 0) { + const struct mdp_format *format = to_mdp_format(msm_framebuffer_format(plane->fb)); - alpha[idx-1] = format->alpha_enable; - } - mixer_cfg = mixercfg(mixer_cfg, mdp4_crtc->mixer, - pipe_id, stages[idx]); + alpha[idx-1] = format->alpha_enable; } + mixer_cfg = mixercfg(mixer_cfg, mdp4_crtc->mixer, + pipe_id, stages[idx]); } /* this shouldn't happen.. and seems to cause underflow: */ @@ -718,12 +714,6 @@ static void set_attach(struct drm_crtc *crtc, enum mdp4_pipe pipe_id, { struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - BUG_ON(pipe_id >= ARRAY_SIZE(mdp4_crtc->planes)); - - if (mdp4_crtc->planes[pipe_id] == plane) - return; - - mdp4_crtc->planes[pipe_id] = plane; blend_setup(crtc); if (mdp4_crtc->enabled && (plane != crtc->primary)) crtc_flush(crtc); @@ -785,6 +775,7 @@ struct drm_crtc *mdp4_crtc_init(struct drm_device *dev, drm_crtc_init_with_planes(dev, crtc, plane, NULL, &mdp4_crtc_funcs); drm_crtc_helper_add(crtc, &mdp4_crtc_helper_funcs); + plane->crtc = crtc; mdp4_plane_install_properties(plane, &crtc->base); diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h index 0643774..15a0fec9 100644 --- a/drivers/gpu/drm/msm/msm_kms.h +++ b/drivers/gpu/drm/msm/msm_kms.h @@ -65,4 +65,9 @@ static inline void msm_kms_init(struct msm_kms *kms, struct msm_kms *mdp4_kms_init(struct drm_device *dev); struct msm_kms *mdp5_kms_init(struct drm_device *dev); +/* TODO move these helper iterator macro somewhere common: */ +#define for_each_plane_on_crtc(_crtc, _plane) \ + list_for_each_entry((_plane), &(_crtc)->dev->mode_config.plane_list, head) \ + if ((_plane)->crtc == (_crtc)) + #endif /* __MSM_KMS_H__ */ -- 2.7.4