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authorFrancisco Jerez <currojerez@riseup.net>2010-08-30 21:55:52 +0400
committerBen Skeggs <bskeggs@redhat.com>2010-09-24 10:19:09 +0400
commit217275d03d7e1f3e62c7b0d9718df99456b7c356 (patch)
tree18637a60e8e767f8415e03e540561db84e8296d6 /drivers/gpu/drm/nouveau
parent7314dec95c054258d5e5a3d1d55e1fd042f8eaad (diff)
downloadlinux-217275d03d7e1f3e62c7b0d9718df99456b7c356.tar.xz
drm/nv40: Try to set up CRE_LCD even if it has unknown bits set.
They don't seem to do anything useful, and we really want to program CRE_LCD if we aren't lucky enough to find the right CRTC binding already set. Signed-off-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau')
-rw-r--r--drivers/gpu/drm/nouveau/nv04_dac.c8
-rw-r--r--drivers/gpu/drm/nouveau/nv04_dfp.c35
-rw-r--r--drivers/gpu/drm/nouveau/nv17_tv.c13
3 files changed, 20 insertions, 36 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_dac.c b/drivers/gpu/drm/nouveau/nv04_dac.c
index 509c05015d50..9cc560c792a4 100644
--- a/drivers/gpu/drm/nouveau/nv04_dac.c
+++ b/drivers/gpu/drm/nouveau/nv04_dac.c
@@ -352,15 +352,9 @@ static void nv04_dac_prepare(struct drm_encoder *encoder)
helper->dpms(encoder, DRM_MODE_DPMS_OFF);
nv04_dfp_disable(dev, head);
-
- /* Some NV4x have unknown values (0x3f, 0x50, 0x54, 0x6b, 0x79, 0x7f)
- * at LCD__INDEX which we don't alter
- */
- if (!(crtcstate[head].CRTC[NV_CIO_CRE_LCD__INDEX] & 0x44))
- crtcstate[head].CRTC[NV_CIO_CRE_LCD__INDEX] = 0;
+ crtcstate[head].CRTC[NV_CIO_CRE_LCD__INDEX] = 0;
}
-
static void nv04_dac_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
diff --git a/drivers/gpu/drm/nouveau/nv04_dfp.c b/drivers/gpu/drm/nouveau/nv04_dfp.c
index 0d3206a7046c..e331b4faeb10 100644
--- a/drivers/gpu/drm/nouveau/nv04_dfp.c
+++ b/drivers/gpu/drm/nouveau/nv04_dfp.c
@@ -253,26 +253,21 @@ static void nv04_dfp_prepare(struct drm_encoder *encoder)
nv04_dfp_prepare_sel_clk(dev, nv_encoder, head);
- /* Some NV4x have unknown values (0x3f, 0x50, 0x54, 0x6b, 0x79, 0x7f)
- * at LCD__INDEX which we don't alter
- */
- if (!(*cr_lcd & 0x44)) {
- *cr_lcd = 0x3;
-
- if (nv_two_heads(dev)) {
- if (nv_encoder->dcb->location == DCB_LOC_ON_CHIP)
- *cr_lcd |= head ? 0x0 : 0x8;
- else {
- *cr_lcd |= (nv_encoder->dcb->or << 4) & 0x30;
- if (nv_encoder->dcb->type == OUTPUT_LVDS)
- *cr_lcd |= 0x30;
- if ((*cr_lcd & 0x30) == (*cr_lcd_oth & 0x30)) {
- /* avoid being connected to both crtcs */
- *cr_lcd_oth &= ~0x30;
- NVWriteVgaCrtc(dev, head ^ 1,
- NV_CIO_CRE_LCD__INDEX,
- *cr_lcd_oth);
- }
+ *cr_lcd = 0x3;
+
+ if (nv_two_heads(dev)) {
+ if (nv_encoder->dcb->location == DCB_LOC_ON_CHIP)
+ *cr_lcd |= head ? 0x0 : 0x8;
+ else {
+ *cr_lcd |= (nv_encoder->dcb->or << 4) & 0x30;
+ if (nv_encoder->dcb->type == OUTPUT_LVDS)
+ *cr_lcd |= 0x30;
+ if ((*cr_lcd & 0x30) == (*cr_lcd_oth & 0x30)) {
+ /* avoid being connected to both crtcs */
+ *cr_lcd_oth &= ~0x30;
+ NVWriteVgaCrtc(dev, head ^ 1,
+ NV_CIO_CRE_LCD__INDEX,
+ *cr_lcd_oth);
}
}
}
diff --git a/drivers/gpu/drm/nouveau/nv17_tv.c b/drivers/gpu/drm/nouveau/nv17_tv.c
index 13cdc05b7c2d..703c188c32d6 100644
--- a/drivers/gpu/drm/nouveau/nv17_tv.c
+++ b/drivers/gpu/drm/nouveau/nv17_tv.c
@@ -408,15 +408,10 @@ static void nv17_tv_prepare(struct drm_encoder *encoder)
}
- /* Some NV4x have unknown values (0x3f, 0x50, 0x54, 0x6b, 0x79, 0x7f)
- * at LCD__INDEX which we don't alter
- */
- if (!(*cr_lcd & 0x44)) {
- if (tv_norm->kind == CTV_ENC_MODE)
- *cr_lcd = 0x1 | (head ? 0x0 : 0x8);
- else
- *cr_lcd = 0;
- }
+ if (tv_norm->kind == CTV_ENC_MODE)
+ *cr_lcd = 0x1 | (head ? 0x0 : 0x8);
+ else
+ *cr_lcd = 0;
/* Set the DACCLK register */
dacclk = (NVReadRAMDAC(dev, 0, dacclk_off) & ~0x30) | 0x1;