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drm/nv0x-nv4x: Leave the 0x40 bit untouched when changing CRE_LCD.

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It's an unrelated PLL filtering control bit, leave it alone when
changing the CRTC-encoder binding.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Francisco Jerez 2010-09-28 20:47:58 +02:00 committed by Ben Skeggs
parent 23357e4da0
commit cd2fb2e9e0
5 changed files with 7 additions and 11 deletions
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3
drivers/gpu/drm/nouveau/nv04_dac.c
View File

@ -345,14 +345,11 @@ static void nv04_dac_prepare(struct drm_encoder *encoder)
{
struct drm_encoder_helper_funcs *helper = encoder->helper_private;
struct drm_device *dev = encoder->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
int head = nouveau_crtc(encoder->crtc)->index;
struct nv04_crtc_reg *crtcstate = dev_priv->mode_reg.crtc_reg;
helper->dpms(encoder, DRM_MODE_DPMS_OFF);
nv04_dfp_disable(dev, head);
crtcstate[head].CRTC[NV_CIO_CRE_LCD__INDEX] = 0;
}
static void nv04_dac_mode_set(struct drm_encoder *encoder,

4
drivers/gpu/drm/nouveau/nv04_dfp.c
View File

@ -104,6 +104,8 @@ void nv04_dfp_disable(struct drm_device *dev, int head)
}
/* don't inadvertently turn it on when state written later */
crtcstate[head].fp_control = FP_TG_CONTROL_OFF;
crtcstate[head].CRTC[NV_CIO_CRE_LCD__INDEX] &=
~NV_CIO_CRE_LCD_ROUTE_MASK;
}
void nv04_dfp_update_fp_control(struct drm_encoder *encoder, int mode)
@ -253,7 +255,7 @@ static void nv04_dfp_prepare(struct drm_encoder *encoder)
nv04_dfp_prepare_sel_clk(dev, nv_encoder, head);
*cr_lcd = 0x3;
*cr_lcd = (*cr_lcd & ~NV_CIO_CRE_LCD_ROUTE_MASK) | 0x3;
if (nv_two_heads(dev)) {
if (nv_encoder->dcb->location == DCB_LOC_ON_CHIP)

6
drivers/gpu/drm/nouveau/nv04_tv.c
View File

@ -99,12 +99,10 @@ static void nv04_tv_bind(struct drm_device *dev, int head, bool bind)
state->tv_setup = 0;
if (bind) {
state->CRTC[NV_CIO_CRE_LCD__INDEX] = 0;
if (bind)
state->CRTC[NV_CIO_CRE_49] |= 0x10;
} else {
else
state->CRTC[NV_CIO_CRE_49] &= ~0x10;
}
NVWriteVgaCrtc(dev, head, NV_CIO_CRE_LCD__INDEX,
state->CRTC[NV_CIO_CRE_LCD__INDEX]);

4
drivers/gpu/drm/nouveau/nv17_tv.c
View File

@ -424,9 +424,7 @@ static void nv17_tv_prepare(struct drm_encoder *encoder)
}
if (tv_norm->kind == CTV_ENC_MODE)
*cr_lcd = 0x1 | (head ? 0x0 : 0x8);
else
*cr_lcd = 0;
*cr_lcd |= 0x1 | (head ? 0x0 : 0x8);
/* Set the DACCLK register */
dacclk = (NVReadRAMDAC(dev, 0, dacclk_off) & ~0x30) | 0x1;

1
drivers/gpu/drm/nouveau/nvreg.h
View File

@ -263,6 +263,7 @@
# define NV_CIO_CRE_HCUR_ADDR1_ADR 7:2
# define NV_CIO_CRE_LCD__INDEX 0x33
# define NV_CIO_CRE_LCD_LCD_SELECT 0:0
# define NV_CIO_CRE_LCD_ROUTE_MASK 0x3b
# define NV_CIO_CRE_DDC0_STATUS__INDEX 0x36
# define NV_CIO_CRE_DDC0_WR__INDEX 0x37
# define NV_CIO_CRE_ILACE__INDEX 0x39 /* interlace */