diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2011-11-18 11:55:43 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2011-12-21 19:01:43 +1000 |
| commit | abbd3f8e3bea4b2b0490260e67357067a2dc2039 (patch) | |
| tree | 09674782d6f7444e0b9ad0091eb7101649aaa7d6 /drivers | |
| parent | d4c2c99bdc8385a0e51ce4ef2df124d14b6b9c9d (diff) | |
drm/nv04/disp: handle dual-link spwg panels without needing quirks
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bios.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv04_dfp.c | 11 |
2 files changed, 8 insertions, 15 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c index 1faa7d9ceb9..f8df37285ba 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.c +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c @@ -4304,18 +4304,6 @@ int nouveau_bios_parse_lvds_table(struct drm_device *dev, int pxclk, bool *dl, b break; } - /* Dell Latitude D620 reports a too-high value for the dual-link - * transition freq, causing us to program the panel incorrectly. - * - * It doesn't appear the VBIOS actually uses its transition freq - * (90000kHz), instead it uses the "Number of LVDS channels" field - * out of the panel ID structure (http://www.spwg.org/). - * - * For the moment, a quirk will do :) - */ - if (nv_match_device(dev, 0x01d7, 0x1028, 0x01c2)) - bios->fp.duallink_transition_clk = 80000; - /* set dual_link flag for EDID case */ if (pxclk && (chip_version < 0x25 || chip_version > 0x28)) bios->fp.dual_link = (pxclk >= bios->fp.duallink_transition_clk); diff --git a/drivers/gpu/drm/nouveau/nv04_dfp.c b/drivers/gpu/drm/nouveau/nv04_dfp.c index dff3ad594e0..2258746016f 100644 --- a/drivers/gpu/drm/nouveau/nv04_dfp.c +++ b/drivers/gpu/drm/nouveau/nv04_dfp.c @@ -341,10 +341,15 @@ static void nv04_dfp_mode_set(struct drm_encoder *encoder, output_mode->clock > 165000) regp->fp_control |= (2 << 24); if (nv_encoder->dcb->type == OUTPUT_LVDS) { - bool duallink, dummy; + bool duallink = false, dummy; + if (nv_connector->edid && + nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) { + duallink = (((u8 *)nv_connector->edid)[121] == 2); + } else { + nouveau_bios_parse_lvds_table(dev, output_mode->clock, + &duallink, &dummy); + } - nouveau_bios_parse_lvds_table(dev, output_mode->clock, - &duallink, &dummy); if (duallink) regp->fp_control |= (8 << 28); } else |