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drm/vc4: kms: Split the HVS muxing check in a separate function

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The code that assigns HVS channels during atomic_check is starting to grow
a bit big, let's move it into a separate function.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Tested-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Reviewed-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20201105135656.383350-5-maxime@cerno.tech
This commit is contained in:
Maxime Ripard 2020-11-05 14:56:53 +01:00
parent a9661f27dc
commit a72b0458cd
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GPG Key ID: E3EF0D6F671851C5
1 changed files with 15 additions and 3 deletions
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18
drivers/gpu/drm/vc4/vc4_kms.c
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@ -662,13 +662,13 @@ static int vc4_load_tracker_obj_init(struct vc4_dev *vc4)
return drmm_add_action_or_reset(&vc4->base, vc4_load_tracker_obj_fini, NULL);
}
static int
vc4_atomic_check(struct drm_device *dev, struct drm_atomic_state *state)
static int vc4_pv_muxing_atomic_check(struct drm_device *dev,
struct drm_atomic_state *state)
{
unsigned long unassigned_channels = GENMASK(HVS_NUM_CHANNELS - 1, 0);
struct drm_crtc_state *old_crtc_state, *new_crtc_state;
struct drm_crtc *crtc;
int i, ret;
unsigned int i;
/*
* Since the HVS FIFOs are shared across all the pixelvalves and
@ -741,6 +741,18 @@ vc4_atomic_check(struct drm_device *dev, struct drm_atomic_state *state)
}
}
return 0;
}
static int
vc4_atomic_check(struct drm_device *dev, struct drm_atomic_state *state)
{
int ret;
ret = vc4_pv_muxing_atomic_check(dev, state);
if (ret)
return ret;
ret = vc4_ctm_atomic_check(dev, state);
if (ret < 0)
return ret;