Messages in this thread | | | From | Christian Gmeiner <> | Date | Tue, 12 Jun 2012 13:37:36 +0200 | Subject | Re: gma500: Cannot find any crtc or sizes - going 1024x768 |
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2012/6/12 Patrik Jakobsson <patrik.r.jakobsson@gmail.com>: > On Tue, Jun 12, 2012 at 10:59 AM, Christian Gmeiner > <christian.gmeiner@gmail.com> wrote: >> Got a little bit further: >> >> diff --git a/drivers/gpu/drm/gma500/mid_bios.c >> b/drivers/gpu/drm/gma500/mid_bios.c >> index b2a790b..9ee3122 100644 >> --- a/drivers/gpu/drm/gma500/mid_bios.c >> +++ b/drivers/gpu/drm/gma500/mid_bios.c >> @@ -55,8 +55,12 @@ static void mid_get_fuse_settings(struct drm_device *dev) >> pci_read_config_dword(pci_root, 0xD4, &fuse_value); >> >> /* FB_MIPI_DISABLE doesn't mean LVDS on with Medfield */ >> +#if 0 >> if (IS_MRST(dev)) >> dev_priv->iLVDS_enable = fuse_value & FB_MIPI_DISABLE; >> +#else >> + dev_priv->iLVDS_enable = 1; >> +#endif >> >> DRM_INFO("internal display is %s\n", >> dev_priv->iLVDS_enable ? "LVDS display" : "MIPI display"); >> diff --git a/drivers/gpu/drm/gma500/psb_intel_lvds.c >> b/drivers/gpu/drm/gma500/psb_intel_lvds.c >> index c83f5b5..5b49522 100644 >> --- a/drivers/gpu/drm/gma500/psb_intel_lvds.c >> +++ b/drivers/gpu/drm/gma500/psb_intel_lvds.c >> @@ -530,11 +530,14 @@ static int psb_intel_lvds_get_modes(struct >> drm_connector *connector) >> struct psb_intel_lvds_priv *lvds_priv = psb_intel_encoder->dev_priv; >> int ret = 0; >> >> + printk(KERN_INFO "test 1\n"); >> +#if 0 >> if (!IS_MRST(dev)) >> ret = psb_intel_ddc_get_modes(connector, >> &lvds_priv->i2c_bus->adapter); >> >> if (ret) >> return ret; >> +#endif >> >> /* Didn't get an EDID, so >> * Set wide sync ranges so we get all modes >> >> >> [ 8.233858] [drm:drm_helper_probe_single_connector_modes], >> [CONNECTOR:7:LVDS-1] >> [ 8.233869] test 1 >> [ 8.233967] [drm:drm_helper_probe_single_connector_modes], >> [CONNECTOR:7:LVDS-1] probed modes : >> [ 8.233993] [drm:drm_mode_debug_printmodeline], Modeline >> 10:"1024x600" 75 53990 1024 1072 1104 1184 600 603 604 608 0x48 0x0 >> [ 8.234038] [drm:drm_setup_crtcs], >> [ 8.234053] [drm:drm_enable_connectors], connector 7 enabled? yes >> [ 8.234066] [drm:drm_target_preferred], looking for cmdline mode on >> connector 7 >> [ 8.234077] [drm:drm_target_preferred], looking for preferred mode >> on connector 7 >> [ 8.234088] [drm:drm_target_preferred], found mode 1024x600 >> [ 8.234101] [drm:drm_setup_crtcs], picking CRTCs for 2048x2048 config >> [ 8.234116] [drm:drm_setup_crtcs], desired mode 1024x600 set on crtc 3 >> [ 8.242199] fbcon: psbfb (fb0) is primary device >> [ 8.244065] [drm:drm_crtc_helper_set_config], >> [ 8.244076] [drm:drm_crtc_helper_set_config], [CRTC:3] [FB:12] >> #connectors=1 (x y) (0 0) >> [ 8.244099] [drm:drm_crtc_helper_set_config], crtc has no fb, full mode set >> [ 8.244106] [drm:drm_crtc_helper_set_config], modes are different, >> full mode set >> [ 8.244120] [drm:drm_mode_debug_printmodeline], Modeline 0:"" 0 0 0 >> 0 0 0 0 0 0 0 0x0 0x0 >> [ 8.244138] [drm:drm_mode_debug_printmodeline], Modeline >> 11:"1024x600" 75 53990 1024 1072 1104 1184 600 603 604 608 0x48 0x0 >> [ 8.244145] [drm:drm_crtc_helper_set_config], encoder changed, full >> mode switch >> [ 8.244151] [drm:drm_crtc_helper_set_config], crtc changed, full mode switch >> [ 8.244161] [drm:drm_crtc_helper_set_config], [CONNECTOR:7:LVDS-1] >> to [CRTC:3] >> [ 8.244168] [drm:drm_crtc_helper_set_config], attempting to set >> mode from userspace >> [ 8.244184] [drm:drm_mode_debug_printmodeline], Modeline >> 11:"1024x600" 75 53990 1024 1072 1104 1184 600 603 604 608 0x48 0x0 >> [ 8.244195] Can't support LVDS on pipe A >> [ 8.244201] [drm:drm_crtc_helper_set_mode], Encoder fixup failed >> [ 8.244211] [drm:drm_crtc_helper_set_config] *ERROR* failed to set >> mode on [CRTC:3] >> [ 8.244222] fbcon_init: detected unhandled fb_set_par error, error code -22 >> [ 8.262085] Console: switching to colour frame buffer device 128x37 >> [ 8.293680] fb0: psbfb frame buffer device >> [ 8.294817] drm: registered panic notifier >> [ 8.295173] [drm] Initialized gma500 1.0.0 2011-06-06 for >> 0000:00:02.0 on minor 0 > > You're hitting a bug in the IS_MRST macro. You might actually have the fuse > value but IS_MRST returns false for 0x4108. Try the following patch: > > diff --git a/drivers/gpu/drm/gma500/psb_drv.h b/drivers/gpu/drm/gma500/psb_drv.h > index 1bd115e..e8640ae 100644 > --- a/drivers/gpu/drm/gma500/psb_drv.h > +++ b/drivers/gpu/drm/gma500/psb_drv.h > @@ -44,7 +44,7 @@ enum { > }; > > #define IS_PSB(dev) (((dev)->pci_device & 0xfffe) == 0x8108) > -#define IS_MRST(dev) (((dev)->pci_device & 0xfffc) == 0x4100) > +#define IS_MRST(dev) (((dev)->pci_device & 0xfff0) == 0x4100) > #define IS_MFLD(dev) (((dev)->pci_device & 0xfff8) == 0x0130) > > /*
Works much better with this patch applied - I see a linux desktop on the panel :)
[ 17.907584] gma500 0000:00:02.0: setting latency timer to 64 [ 17.907908] [drm:psb_intel_opregion_setup], Public ACPI methods supported [ 17.907921] [drm:psb_intel_opregion_setup], ASLE supported [ 17.907945] gma500 0000:00:02.0: Enabling MSI failed! [ 17.909051] [drm] internal display is LVDS display [ 17.909183] ioremap error for 0x3ddbd000-0x3ddbe000, requested 0x10, got 0x0 [ 17.909294] gma500 0000:00:02.0: Unable to read GCT! [ 17.917913] gma500 0000:00:02.0: VBT signature missing [ 17.925659] hub 6-0:1.0: USB hub found [ 17.925775] hub 6-0:1.0: 1 port detected [ 17.926214] ohci_hcd 0000:02:08.1: setting latency timer to 64 [ 17.926233] ohci_hcd 0000:02:08.1: OHCI Host Controller [ 17.926349] ohci_hcd 0000:02:08.1: new USB bus registered, assigned bus number 7 [ 17.926520] ohci_hcd 0000:02:08.1: irq 16, io mem 0xd014e000 [ 17.966094] usb 1-1: new high-speed USB device number 2 using ehci_hcd [ 17.982193] hub 7-0:1.0: USB hub found [ 17.982308] hub 7-0:1.0: 1 port detected [ 17.982684] ohci_hcd 0000:02:08.2: setting latency timer to 64 [ 17.982703] ohci_hcd 0000:02:08.2: OHCI Host Controller [ 17.982818] ohci_hcd 0000:02:08.2: new USB bus registered, assigned bus number 8 [ 17.982990] ohci_hcd 0000:02:08.2: irq 16, io mem 0xd014d000 [ 18.000555] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010). [ 18.000657] [drm] No driver support for vblank timestamp query. [ 18.000901] gma500 0000:00:02.0: No ddc adapter available! [ 18.041626] hub 8-0:1.0: USB hub found [ 18.041740] hub 8-0:1.0: 1 port detected [ 18.081160] hub 1-1:1.0: USB hub found [ 18.081470] hub 1-1:1.0: 3 ports detected [ 18.354785] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:7:LVDS-1] [ 18.354815] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:7:LVDS-1] probed modes : [ 18.354841] [drm:drm_mode_debug_printmodeline], Modeline 10:"1024x600" 75 53990 1024 1072 1104 1184 600 603 604 608 0x48 0x0 [ 18.354853] [drm:drm_setup_crtcs], [ 18.354868] [drm:drm_enable_connectors], connector 7 enabled? yes [ 18.354881] [drm:drm_target_preferred], looking for cmdline mode on connector 7 [ 18.354894] [drm:drm_target_preferred], looking for preferred mode on connector 7 [ 18.354906] [drm:drm_target_preferred], found mode 1024x600 [ 18.354918] [drm:drm_setup_crtcs], picking CRTCs for 2048x2048 config [ 18.354933] [drm:drm_setup_crtcs], desired mode 1024x600 set on crtc 3 [ 18.367788] fbcon: psbfb (fb0) is primary device [ 18.370608] [drm:drm_crtc_helper_set_config], [ 18.370619] [drm:drm_crtc_helper_set_config], [CRTC:3] [FB:12] #connectors=1 (x y) (0 0) [ 18.370643] [drm:drm_crtc_helper_set_config], crtc has no fb, full mode set [ 18.370649] [drm:drm_crtc_helper_set_config], modes are different, full mode set [ 18.370664] [drm:drm_mode_debug_printmodeline], Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0 [ 18.370681] [drm:drm_mode_debug_printmodeline], Modeline 11:"1024x600" 75 53990 1024 1072 1104 1184 600 603 604 608 0x48 0x0 [ 18.370689] [drm:drm_crtc_helper_set_config], encoder changed, full mode switch [ 18.370696] [drm:drm_crtc_helper_set_config], crtc changed, full mode switch [ 18.370706] [drm:drm_crtc_helper_set_config], [CONNECTOR:7:LVDS-1] to [CRTC:3] [ 18.370713] [drm:drm_crtc_helper_set_config], attempting to set mode from userspace [ 18.370730] [drm:drm_mode_debug_printmodeline], Modeline 11:"1024x600" 75 53990 1024 1072 1104 1184 600 603 604 608 0x48 0x0 [ 18.370747] [drm:drm_crtc_helper_set_mode], [CRTC:3] [ 18.401081] usb 6-1: new full-speed USB device number 2 using ohci_hcd [ 18.440582] [drm:drm_crtc_helper_set_mode], [ENCODER:8:LVDS-8] set [MODE:11:1024x600] [ 18.477990] [drm:drm_crtc_helper_set_config], Setting connector DPMS state to on [ 18.478002] [drm:drm_crtc_helper_set_config], [CONNECTOR:7:LVDS-1] set DPMS on [ 18.505542] [drm:drm_crtc_helper_set_config], [ 18.505550] [drm:drm_crtc_helper_set_config], [CRTC:4] [NOFB] [ 18.603146] Console: switching to colour frame buffer device 128x37 [ 18.613253] usbcore: registered new interface driver usbhid [ 18.613256] usbhid: USB HID core driver [ 18.619328] fb0: psbfb frame buffer device [ 18.619332] drm: registered panic notifier [ 18.619857] [drm] Initialized gma500 1.0.0 2011-06-06 for 0000:00:02.0 on minor 0
Is there a way to overwrite the found modeline?
Thanks --- Christian Gmeiner, MSc -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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