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| author |   Thomas Zimmermann <tzimmermann@suse.de> | 2023-02-09 16:41:05 +0100 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2023-02-20 15:20:41 +0100 |
| commit | 2a742fd1640574b80682669825274122e71141e7 (patch) | |
| tree | 832c7e6416be997f1005683188921cace9425014 /drivers/gpu/drm/mgag200/mgag200_mode.c | |
| parent | drm/mgag200: Remove disable handling from atomic_update (diff) | |
| download | linux-2a742fd1640574b80682669825274122e71141e7.tar.xz linux-2a742fd1640574b80682669825274122e71141e7.zip | |
drm/mgag200: Implement struct drm_plane_helper_funcs.atomic_enable
Enable the primary plane for mgag200 hardware via atomic_enable.
Atomic helpers invoke this callback only when the plane becomes
active.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230209154107.30680-5-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/mgag200/mgag200_mode.c')
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_mode.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 47e86eadb239..0f2dd26755df 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -501,7 +501,6 @@ void mgag200_primary_plane_helper_atomic_update(struct drm_plane *plane, struct drm_framebuffer *fb = plane_state->fb; struct drm_atomic_helper_damage_iter iter; struct drm_rect damage; - u8 seq1; drm_atomic_helper_damage_iter_init(&iter, old_plane_state, plane_state); drm_atomic_for_each_plane_damage(&iter, &damage) { @@ -511,13 +510,19 @@ void mgag200_primary_plane_helper_atomic_update(struct drm_plane *plane, /* Always scanout image at VRAM offset 0 */ mgag200_set_startadd(mdev, (u32)0); mgag200_set_offset(mdev, fb); +} - if (!old_plane_state->crtc && plane_state->crtc) { // enabling - RREG_SEQ(0x01, seq1); - seq1 &= ~MGAREG_SEQ1_SCROFF; - WREG_SEQ(0x01, seq1); - msleep(20); - } +void mgag200_primary_plane_helper_atomic_enable(struct drm_plane *plane, + struct drm_atomic_state *state) +{ + struct drm_device *dev = plane->dev; + struct mga_device *mdev = to_mga_device(dev); + u8 seq1; + + RREG_SEQ(0x01, seq1); + seq1 &= ~MGAREG_SEQ1_SCROFF; + WREG_SEQ(0x01, seq1); + msleep(20); } void mgag200_primary_plane_helper_atomic_disable(struct drm_plane *plane, |