Re: [Intel-gfx] [PATCH 3/3] drm/i915/bxt: WA for swapped HPD pins in A stepping
Tested-By: Intel Graphics QA PRTS (Patch Regression Test System Contact: shuang...@intel.com) Task id: 7125 -Summary- Platform Delta drm-intel-nightly Series Applied ILK -1 302/302 301/302 SNB 315/315 315/315 IVB 336/336 336/336 BYT 283/283 283/283 HSW 378/378 378/378 -Detailed- Platform Testdrm-intel-nightly Series Applied *ILK igt@kms_flip@flip-vs-dpms-interruptible PASS(1) DMESG_WARN(1) Note: You need to pay more attention to line start with '*' ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
Re: [Intel-gfx] [PATCH 3/3] drm/i915/bxt: WA for swapped HPD pins in A stepping
On Mon, Aug 10, 2015 at 10:58:55AM +0530, Sivakumar Thulasimani wrote: Reviewed-by: Sivakumar Thulasimani sivakumar.thulasim...@intel.com On 8/10/2015 10:35 AM, Sonika Jindal wrote: WA for BXT A0/A1, where DDIB's HPD pin is swapped to DDIA, so enabling DDIA HPD pin in place of DDIB. v2: For DP, irq_port is used to determine the encoder instead of hpd_pin and removing the edp HPD logic because port A HPD is not present(Imre) v3: Rebased on top of Imre's patchset for enabling HPD on PORT A. Added hpd_pin swapping for intel_dp_init_connector, setting encoder for PORT_A as per the WA in irq_port (Imre) v4: Dont enable interrupt for edp, also reframe the description (Siva) v5: Don’t check for PORT_A in intel_ddi_init to update dig_port, instead avoid setting hpd_pin itself (Imre) Signed-off-by: Sonika Jindal sonika.jin...@intel.com Merged patches 23 from this series, thanks. -Daniel --- drivers/gpu/drm/i915/intel_ddi.c | 10 +- drivers/gpu/drm/i915/intel_dp.c |2 ++ drivers/gpu/drm/i915/intel_hdmi.c |9 - 3 files changed, 19 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index e2c6f73..777e3a3 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -3225,7 +3225,15 @@ void intel_ddi_init(struct drm_device *dev, enum port port) goto err; intel_dig_port-hpd_pulse = intel_dp_hpd_pulse; -dev_priv-hotplug.irq_port[port] = intel_dig_port; +/* + * On BXT A0/A1, sw needs to activate DDIA HPD logic and + * interrupts to check the external panel connection. + */ +if (IS_BROXTON(dev_priv) (INTEL_REVID(dev) BXT_REVID_B0) + port == PORT_B) +dev_priv-hotplug.irq_port[PORT_A] = intel_dig_port; +else +dev_priv-hotplug.irq_port[port] = intel_dig_port; } /* In theory we don't need the encoder-type check, but leave it just in diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 5a614c9..7fab3e5 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -5788,6 +5788,8 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, break; case PORT_B: intel_encoder-hpd_pin = HPD_PORT_B; +if (IS_BROXTON(dev_priv) (INTEL_REVID(dev) BXT_REVID_B0)) +intel_encoder-hpd_pin = HPD_PORT_A; break; case PORT_C: intel_encoder-hpd_pin = HPD_PORT_C; diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 70bad5b..94fa716 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -1973,7 +1973,14 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, intel_hdmi-ddc_bus = GMBUS_PIN_1_BXT; else intel_hdmi-ddc_bus = GMBUS_PIN_DPB; -intel_encoder-hpd_pin = HPD_PORT_B; +/* + * On BXT A0/A1, sw needs to activate DDIA HPD logic and + * interrupts to check the external panel connection. + */ +if (IS_BROXTON(dev_priv) (INTEL_REVID(dev) BXT_REVID_B0)) +intel_encoder-hpd_pin = HPD_PORT_A; +else +intel_encoder-hpd_pin = HPD_PORT_B; break; case PORT_C: if (IS_BROXTON(dev_priv)) -- regards, Sivakumar ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
Re: [Intel-gfx] [PATCH 3/3] drm/i915/bxt: WA for swapped HPD pins in A stepping
Reviewed-by: Sivakumar Thulasimani sivakumar.thulasim...@intel.com On 8/10/2015 10:35 AM, Sonika Jindal wrote: WA for BXT A0/A1, where DDIB's HPD pin is swapped to DDIA, so enabling DDIA HPD pin in place of DDIB. v2: For DP, irq_port is used to determine the encoder instead of hpd_pin and removing the edp HPD logic because port A HPD is not present(Imre) v3: Rebased on top of Imre's patchset for enabling HPD on PORT A. Added hpd_pin swapping for intel_dp_init_connector, setting encoder for PORT_A as per the WA in irq_port (Imre) v4: Dont enable interrupt for edp, also reframe the description (Siva) v5: Don’t check for PORT_A in intel_ddi_init to update dig_port, instead avoid setting hpd_pin itself (Imre) Signed-off-by: Sonika Jindal sonika.jin...@intel.com --- drivers/gpu/drm/i915/intel_ddi.c | 10 +- drivers/gpu/drm/i915/intel_dp.c |2 ++ drivers/gpu/drm/i915/intel_hdmi.c |9 - 3 files changed, 19 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index e2c6f73..777e3a3 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -3225,7 +3225,15 @@ void intel_ddi_init(struct drm_device *dev, enum port port) goto err; intel_dig_port-hpd_pulse = intel_dp_hpd_pulse; - dev_priv-hotplug.irq_port[port] = intel_dig_port; + /* +* On BXT A0/A1, sw needs to activate DDIA HPD logic and +* interrupts to check the external panel connection. +*/ + if (IS_BROXTON(dev_priv) (INTEL_REVID(dev) BXT_REVID_B0) + port == PORT_B) + dev_priv-hotplug.irq_port[PORT_A] = intel_dig_port; + else + dev_priv-hotplug.irq_port[port] = intel_dig_port; } /* In theory we don't need the encoder-type check, but leave it just in diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 5a614c9..7fab3e5 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -5788,6 +5788,8 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, break; case PORT_B: intel_encoder-hpd_pin = HPD_PORT_B; + if (IS_BROXTON(dev_priv) (INTEL_REVID(dev) BXT_REVID_B0)) + intel_encoder-hpd_pin = HPD_PORT_A; break; case PORT_C: intel_encoder-hpd_pin = HPD_PORT_C; diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 70bad5b..94fa716 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -1973,7 +1973,14 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, intel_hdmi-ddc_bus = GMBUS_PIN_1_BXT; else intel_hdmi-ddc_bus = GMBUS_PIN_DPB; - intel_encoder-hpd_pin = HPD_PORT_B; + /* +* On BXT A0/A1, sw needs to activate DDIA HPD logic and +* interrupts to check the external panel connection. +*/ + if (IS_BROXTON(dev_priv) (INTEL_REVID(dev) BXT_REVID_B0)) + intel_encoder-hpd_pin = HPD_PORT_A; + else + intel_encoder-hpd_pin = HPD_PORT_B; break; case PORT_C: if (IS_BROXTON(dev_priv)) -- regards, Sivakumar ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
[Intel-gfx] [PATCH 3/3] drm/i915/bxt: WA for swapped HPD pins in A stepping
WA for BXT A0/A1, where DDIB's HPD pin is swapped to DDIA, so enabling DDIA HPD pin in place of DDIB. v2: For DP, irq_port is used to determine the encoder instead of hpd_pin and removing the edp HPD logic because port A HPD is not present(Imre) v3: Rebased on top of Imre's patchset for enabling HPD on PORT A. Added hpd_pin swapping for intel_dp_init_connector, setting encoder for PORT_A as per the WA in irq_port (Imre) v4: Dont enable interrupt for edp, also reframe the description (Siva) v5: Don’t check for PORT_A in intel_ddi_init to update dig_port, instead avoid setting hpd_pin itself (Imre) Signed-off-by: Sonika Jindal sonika.jin...@intel.com --- drivers/gpu/drm/i915/intel_ddi.c | 10 +- drivers/gpu/drm/i915/intel_dp.c |2 ++ drivers/gpu/drm/i915/intel_hdmi.c |9 - 3 files changed, 19 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index e2c6f73..777e3a3 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -3225,7 +3225,15 @@ void intel_ddi_init(struct drm_device *dev, enum port port) goto err; intel_dig_port-hpd_pulse = intel_dp_hpd_pulse; - dev_priv-hotplug.irq_port[port] = intel_dig_port; + /* +* On BXT A0/A1, sw needs to activate DDIA HPD logic and +* interrupts to check the external panel connection. +*/ + if (IS_BROXTON(dev_priv) (INTEL_REVID(dev) BXT_REVID_B0) + port == PORT_B) + dev_priv-hotplug.irq_port[PORT_A] = intel_dig_port; + else + dev_priv-hotplug.irq_port[port] = intel_dig_port; } /* In theory we don't need the encoder-type check, but leave it just in diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 5a614c9..7fab3e5 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -5788,6 +5788,8 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, break; case PORT_B: intel_encoder-hpd_pin = HPD_PORT_B; + if (IS_BROXTON(dev_priv) (INTEL_REVID(dev) BXT_REVID_B0)) + intel_encoder-hpd_pin = HPD_PORT_A; break; case PORT_C: intel_encoder-hpd_pin = HPD_PORT_C; diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 70bad5b..94fa716 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -1973,7 +1973,14 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, intel_hdmi-ddc_bus = GMBUS_PIN_1_BXT; else intel_hdmi-ddc_bus = GMBUS_PIN_DPB; - intel_encoder-hpd_pin = HPD_PORT_B; + /* +* On BXT A0/A1, sw needs to activate DDIA HPD logic and +* interrupts to check the external panel connection. +*/ + if (IS_BROXTON(dev_priv) (INTEL_REVID(dev) BXT_REVID_B0)) + intel_encoder-hpd_pin = HPD_PORT_A; + else + intel_encoder-hpd_pin = HPD_PORT_B; break; case PORT_C: if (IS_BROXTON(dev_priv)) -- 1.7.10.4 ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
