diff options
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_kms.c')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_kms.c | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index 0329b354bfa0..f0bc7cc0e913 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -233,15 +233,7 @@ static int rcar_du_atomic_check(struct drm_device *dev, struct rcar_du_device *rcdu = dev->dev_private; int ret; - ret = drm_atomic_helper_check_modeset(dev, state); - if (ret) - return ret; - - ret = drm_atomic_normalize_zpos(dev, state); - if (ret) - return ret; - - ret = drm_atomic_helper_check_planes(dev, state); + ret = drm_atomic_helper_check(dev, state); if (ret) return ret; @@ -415,11 +407,6 @@ static int rcar_du_encoders_init(struct rcar_du_device *rcdu) static int rcar_du_properties_init(struct rcar_du_device *rcdu) { - rcdu->props.alpha = - drm_property_create_range(rcdu->ddev, 0, "alpha", 0, 255); - if (rcdu->props.alpha == NULL) - return -ENOMEM; - /* * The color key is expressed as an RGB888 triplet stored in a 32-bit * integer in XRGB8888 format. Bit 24 is used as a flag to disable (0) @@ -441,7 +428,7 @@ static int rcar_du_vsps_init(struct rcar_du_device *rcdu) struct { struct device_node *np; unsigned int crtcs_mask; - } vsps[RCAR_DU_MAX_VSPS] = { { 0, }, }; + } vsps[RCAR_DU_MAX_VSPS] = { { NULL, }, }; unsigned int vsps_count = 0; unsigned int cells; unsigned int i; @@ -520,6 +507,8 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu) struct drm_fbdev_cma *fbdev; unsigned int num_encoders; unsigned int num_groups; + unsigned int swindex; + unsigned int hwindex; unsigned int i; int ret; @@ -529,10 +518,11 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu) dev->mode_config.min_height = 0; dev->mode_config.max_width = 4095; dev->mode_config.max_height = 2047; + dev->mode_config.normalize_zpos = true; dev->mode_config.funcs = &rcar_du_mode_config_funcs; dev->mode_config.helper_private = &rcar_du_mode_config_helper; - rcdu->num_crtcs = rcdu->info->num_crtcs; + rcdu->num_crtcs = hweight8(rcdu->info->channels_mask); ret = rcar_du_properties_init(rcdu); if (ret < 0) @@ -542,7 +532,7 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu) * Initialize vertical blanking interrupts handling. Start with vblank * disabled for all CRTCs. */ - ret = drm_vblank_init(dev, (1 << rcdu->info->num_crtcs) - 1); + ret = drm_vblank_init(dev, (1 << rcdu->num_crtcs) - 1); if (ret < 0) return ret; @@ -557,7 +547,10 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu) rgrp->dev = rcdu; rgrp->mmio_offset = mmio_offsets[i]; rgrp->index = i; - rgrp->num_crtcs = min(rcdu->num_crtcs - 2 * i, 2U); + /* Extract the channel mask for this group only. */ + rgrp->channels_mask = (rcdu->info->channels_mask >> (2 * i)) + & GENMASK(1, 0); + rgrp->num_crtcs = hweight8(rgrp->channels_mask); /* * If we have more than one CRTCs in this group pre-associate @@ -584,10 +577,16 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu) } /* Create the CRTCs. */ - for (i = 0; i < rcdu->num_crtcs; ++i) { - struct rcar_du_group *rgrp = &rcdu->groups[i / 2]; + for (swindex = 0, hwindex = 0; swindex < rcdu->num_crtcs; ++hwindex) { + struct rcar_du_group *rgrp; + + /* Skip unpopulated DU channels. */ + if (!(rcdu->info->channels_mask & BIT(hwindex))) + continue; + + rgrp = &rcdu->groups[hwindex / 2]; - ret = rcar_du_crtc_create(rgrp, i); + ret = rcar_du_crtc_create(rgrp, swindex++, hwindex); if (ret < 0) return ret; } |