diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 105 |
1 files changed, 74 insertions, 31 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 983091224f1..6e8f9e295d0 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -10741,45 +10741,60 @@ static void update_scanline_offset(struct intel_crtc *crtc) crtc->scanline_offset = 1; } +static struct intel_crtc_config * +intel_modeset_compute_config(struct drm_crtc *crtc, + struct drm_display_mode *mode, + struct drm_framebuffer *fb, + unsigned *modeset_pipes, + unsigned *prepare_pipes, + unsigned *disable_pipes) +{ + struct intel_crtc_config *pipe_config = NULL; + + intel_modeset_affected_pipes(crtc, modeset_pipes, + prepare_pipes, disable_pipes); + + if ((*modeset_pipes) == 0) + goto out; + + /* + * Note this needs changes when we start tracking multiple modes + * and crtcs. At that point we'll need to compute the whole config + * (i.e. one pipe_config for each crtc) rather than just the one + * for this crtc. + */ + pipe_config = intel_modeset_pipe_config(crtc, fb, mode); + if (IS_ERR(pipe_config)) { + goto out; + } + intel_dump_pipe_config(to_intel_crtc(crtc), pipe_config, + "[modeset]"); + to_intel_crtc(crtc)->new_config = pipe_config; + +out: + return pipe_config; +} + static int __intel_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode, - int x, int y, struct drm_framebuffer *fb) + int x, int y, struct drm_framebuffer *fb, + struct intel_crtc_config *pipe_config, + unsigned modeset_pipes, + unsigned prepare_pipes, + unsigned disable_pipes) { struct drm_device *dev = crtc->dev; struct drm_i915_private *dev_priv = dev->dev_private; struct drm_display_mode *saved_mode; - struct intel_crtc_config *pipe_config = NULL; struct intel_crtc *intel_crtc; - unsigned disable_pipes, prepare_pipes, modeset_pipes; int ret = 0; saved_mode = kmalloc(sizeof(*saved_mode), GFP_KERNEL); if (!saved_mode) return -ENOMEM; - intel_modeset_affected_pipes(crtc, &modeset_pipes, - &prepare_pipes, &disable_pipes); - *saved_mode = crtc->mode; - /* Hack: Because we don't (yet) support global modeset on multiple - * crtcs, we don't keep track of the new mode for more than one crtc. - * Hence simply check whether any bit is set in modeset_pipes in all the - * pieces of code that are not yet converted to deal with mutliple crtcs - * changing their mode at the same time. */ - if (modeset_pipes) { - pipe_config = intel_modeset_pipe_config(crtc, fb, mode); - if (IS_ERR(pipe_config)) { - ret = PTR_ERR(pipe_config); - pipe_config = NULL; - - goto out; - } - intel_dump_pipe_config(to_intel_crtc(crtc), pipe_config, - "[modeset]"); - to_intel_crtc(crtc)->new_config = pipe_config; - } - /* * See if the config requires any additional preparation, e.g. * to adjust global state with pipes off. We need to do this @@ -10820,6 +10835,10 @@ static int __intel_set_mode(struct drm_crtc *crtc, /* crtc->mode is already used by the ->mode_set callbacks, hence we need * to set it here already despite that we pass it down the callchain. + * + * Note we'll need to fix this up when we start tracking multiple + * pipes; here we assume a single modeset_pipe and only track the + * single crtc and mode. */ if (modeset_pipes) { crtc->mode = *mode; @@ -10881,19 +10900,23 @@ done: if (ret && crtc->enabled) crtc->mode = *saved_mode; -out: kfree(pipe_config); kfree(saved_mode); return ret; } -static int intel_set_mode(struct drm_crtc *crtc, - struct drm_display_mode *mode, - int x, int y, struct drm_framebuffer *fb) +static int intel_set_mode_pipes(struct drm_crtc *crtc, + struct drm_display_mode *mode, + int x, int y, struct drm_framebuffer *fb, + struct intel_crtc_config *pipe_config, + unsigned modeset_pipes, + unsigned prepare_pipes, + unsigned disable_pipes) { int ret; - ret = __intel_set_mode(crtc, mode, x, y, fb); + ret = __intel_set_mode(crtc, mode, x, y, fb, pipe_config, modeset_pipes, + prepare_pipes, disable_pipes); if (ret == 0) intel_modeset_check_state(crtc->dev); @@ -10901,6 +10924,26 @@ static int intel_set_mode(struct drm_crtc *crtc, return ret; } +static int intel_set_mode(struct drm_crtc *crtc, + struct drm_display_mode *mode, + int x, int y, struct drm_framebuffer *fb) +{ + struct intel_crtc_config *pipe_config; + unsigned modeset_pipes, prepare_pipes, disable_pipes; + + pipe_config = intel_modeset_compute_config(crtc, mode, fb, + &modeset_pipes, + &prepare_pipes, + &disable_pipes); + + if (IS_ERR(pipe_config)) + return PTR_ERR(pipe_config); + + return intel_set_mode_pipes(crtc, mode, x, y, fb, pipe_config, + modeset_pipes, prepare_pipes, + disable_pipes); +} + void intel_crtc_restore_mode(struct drm_crtc *crtc) { intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y, crtc->primary->fb); @@ -13249,8 +13292,8 @@ void intel_modeset_setup_hw_state(struct drm_device *dev, struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; - __intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y, - crtc->primary->fb); + intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y, + crtc->primary->fb); } } else { intel_modeset_update_staged_output_state(dev); |