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drm/nvd0/disp: disconnect encoders before reprogramming them

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2012-03-12 15:23:44 +10:00
parent 3488c57b98
commit 4cbb0f8d2b
1 changed files with 33 additions and 33 deletions
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66
drivers/gpu/drm/nouveau/nvd0_display.c
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@ -284,6 +284,8 @@ nvd0_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,
u32 *push;
int ret;
evo_sync(crtc->dev, EVO_MASTER);
swap_interval <<= 4;
if (swap_interval == 0)
swap_interval |= 0x100;
@ -593,7 +595,7 @@ nvd0_crtc_commit(struct drm_crtc *crtc)
evo_kick(push, crtc->dev, EVO_MASTER);
}
nvd0_crtc_cursor_show(nv_crtc, nv_crtc->cursor.visible, false);
nvd0_crtc_cursor_show(nv_crtc, nv_crtc->cursor.visible, true);
nvd0_display_flip_next(crtc, crtc->fb, NULL, 1);
}
@ -947,11 +949,6 @@ nvd0_dac_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
return true;
}
static void
nvd0_dac_prepare(struct drm_encoder *encoder)
{
}
static void
nvd0_dac_commit(struct drm_encoder *encoder)
{
@ -1045,7 +1042,7 @@ nvd0_dac_destroy(struct drm_encoder *encoder)
static const struct drm_encoder_helper_funcs nvd0_dac_hfunc = {
.dpms = nvd0_dac_dpms,
.mode_fixup = nvd0_dac_mode_fixup,
.prepare = nvd0_dac_prepare,
.prepare = nvd0_dac_disconnect,
.commit = nvd0_dac_commit,
.mode_set = nvd0_dac_mode_set,
.disable = nvd0_dac_disconnect,
@ -1385,9 +1382,38 @@ nvd0_sor_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
return true;
}
static void
nvd0_sor_disconnect(struct drm_encoder *encoder)
{
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
struct drm_device *dev = encoder->dev;
u32 *push;
if (nv_encoder->crtc) {
nvd0_crtc_prepare(nv_encoder->crtc);
push = evo_wait(dev, EVO_MASTER, 4);
if (push) {
evo_mthd(push, 0x0200 + (nv_encoder->or * 0x20), 1);
evo_data(push, 0x00000000);
evo_mthd(push, 0x0080, 1);
evo_data(push, 0x00000000);
evo_kick(push, dev, EVO_MASTER);
}
nvd0_hdmi_disconnect(encoder);
nv_encoder->crtc = NULL;
nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;
}
}
static void
nvd0_sor_prepare(struct drm_encoder *encoder)
{
nvd0_sor_disconnect(encoder);
if (nouveau_encoder(encoder)->dcb->type == OUTPUT_DP)
evo_sync(encoder->dev, EVO_MASTER);
}
static void
@ -1508,32 +1534,6 @@ nvd0_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *umode,
nv_encoder->crtc = encoder->crtc;
}
static void
nvd0_sor_disconnect(struct drm_encoder *encoder)
{
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
struct drm_device *dev = encoder->dev;
u32 *push;
if (nv_encoder->crtc) {
nvd0_crtc_prepare(nv_encoder->crtc);
push = evo_wait(dev, EVO_MASTER, 4);
if (push) {
evo_mthd(push, 0x0200 + (nv_encoder->or * 0x20), 1);
evo_data(push, 0x00000000);
evo_mthd(push, 0x0080, 1);
evo_data(push, 0x00000000);
evo_kick(push, dev, EVO_MASTER);
}
nvd0_hdmi_disconnect(encoder);
nv_encoder->crtc = NULL;
nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;
}
}
static void
nvd0_sor_destroy(struct drm_encoder *encoder)
{