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drm/msm/mdp4: drop attached planes table

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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 <robdclark@gmail.com>
This commit is contained in:
Rob Clark 2014-11-07 13:20:50 -05:00
parent 88ff1c2f3b
commit bb6c018d35
2 changed files with 21 additions and 25 deletions
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41
drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c
View File

@ -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);

5
drivers/gpu/drm/msm/msm_kms.h
View File

@ -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__ */