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author | Stephane Viau <sviau@codeaurora.org> | 2015-03-13 15:49:33 -0400 |
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committer | Rob Clark <robdclark@gmail.com> | 2015-04-01 19:29:34 -0400 |
commit | 389b09a1822db2bf5050060acc63611ea6c4670d (patch) | |
tree | 04e47e953e1695fe8a45955ff9d431a1a67be5cd /drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c | |
parent | d145dd78d7e72ac07c84f6919283569e6b45a5c3 (diff) | |
download | talos-obmc-linux-389b09a1822db2bf5050060acc63611ea6c4670d.tar.gz talos-obmc-linux-389b09a1822db2bf5050060acc63611ea6c4670d.zip |
drm/msm/mdp5: Add START signal to kick off certain pipelines
Some interfaces (WB, DSI Command Mode) need to be kicked off
through a START Signal. This signal needs to be sent at the right
time and requests in some cases to keep track of the pipeline
status (eg: whether pipeline registers are flushed AND output WB
buffers are ready, in case of WB interface).
Signed-off-by: Stephane Viau <sviau@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c')
-rw-r--r-- | drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c | 31 |
1 files changed, 18 insertions, 13 deletions
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c index 15136f17f8ce..9527ad112446 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c @@ -82,8 +82,6 @@ static void request_pending(struct drm_crtc *crtc, uint32_t pending) mdp_irq_register(&get_kms(crtc)->base, &mdp5_crtc->vblank); } -#define mdp5_lm_get_flush(lm) mdp_ctl_flush_mask_lm(lm) - static void crtc_flush(struct drm_crtc *crtc, u32 flush_mask) { struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc); @@ -110,8 +108,8 @@ static void crtc_flush_all(struct drm_crtc *crtc) drm_atomic_crtc_for_each_plane(plane, crtc) { flush_mask |= mdp5_plane_get_flush(plane); } - flush_mask |= mdp5_ctl_get_flush(mdp5_crtc->ctl); - flush_mask |= mdp5_lm_get_flush(mdp5_crtc->lm); + + flush_mask |= mdp_ctl_flush_mask_lm(mdp5_crtc->lm); crtc_flush(crtc, flush_mask); } @@ -442,13 +440,14 @@ static int mdp5_crtc_cursor_set(struct drm_crtc *crtc, struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc); struct drm_device *dev = crtc->dev; struct mdp5_kms *mdp5_kms = get_kms(crtc); - struct drm_gem_object *cursor_bo, *old_bo; + struct drm_gem_object *cursor_bo, *old_bo = NULL; uint32_t blendcfg, cursor_addr, stride; int ret, bpp, lm; unsigned int depth; enum mdp5_cursor_alpha cur_alpha = CURSOR_ALPHA_PER_PIXEL; uint32_t flush_mask = mdp_ctl_flush_mask_cursor(0); uint32_t roi_w, roi_h; + bool cursor_enable = true; unsigned long flags; if ((width > CURSOR_WIDTH) || (height > CURSOR_HEIGHT)) { @@ -461,7 +460,8 @@ static int mdp5_crtc_cursor_set(struct drm_crtc *crtc, if (!handle) { DBG("Cursor off"); - return mdp5_ctl_set_cursor(mdp5_crtc->ctl, false); + cursor_enable = false; + goto set_cursor; } cursor_bo = drm_gem_object_lookup(dev, file, handle); @@ -502,11 +502,14 @@ static int mdp5_crtc_cursor_set(struct drm_crtc *crtc, spin_unlock_irqrestore(&mdp5_crtc->cursor.lock, flags); - ret = mdp5_ctl_set_cursor(mdp5_crtc->ctl, true); - if (ret) +set_cursor: + ret = mdp5_ctl_set_cursor(mdp5_crtc->ctl, 0, cursor_enable); + if (ret) { + dev_err(dev->dev, "failed to %sable cursor: %d\n", + cursor_enable ? "en" : "dis", ret); goto end; + } - flush_mask |= mdp5_ctl_get_flush(mdp5_crtc->ctl); crtc_flush(crtc, flush_mask); end: @@ -628,11 +631,13 @@ void mdp5_crtc_set_intf(struct drm_crtc *crtc, struct mdp5_interface *intf) int mdp5_crtc_get_lm(struct drm_crtc *crtc) { struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc); + return WARN_ON(!crtc) ? -EINVAL : mdp5_crtc->lm; +} - if (WARN_ON(!crtc)) - return -EINVAL; - - return mdp5_crtc->lm; +struct mdp5_ctl *mdp5_crtc_get_ctl(struct drm_crtc *crtc) +{ + struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc); + return WARN_ON(!crtc) ? NULL : mdp5_crtc->ctl; } /* initialize crtc */ |