[PATCH v6 06/10] drm: Read DP branch device HW revision

On Tue, 2016-07-12 at 15:54 +0200, Daniel Vetter wrote: > On Wed, Jul 06, 2016 at 02:04:50PM +0300, Mika Kahola wrote: > > HW revision is mandatory field for DisplayPort branch > > devices. This is defined in DPCD register field 0x509. > > > > Signed-off-by: Mika Kahol

[PATCH v6 08/10] drm/i915: Check pixel rate for DP to VGA dongle

On Tue, 2016-07-12 at 15:50 +0200, Daniel Vetter wrote: > On Wed, Jul 06, 2016 at 02:04:52PM +0300, Mika Kahola wrote: > > Filter out a mode that exceeds the max pixel rate setting > > for DP to VGA dongle. This is defined in DPCD register 0x81 > > if detailed cap info i.e.

[PATCH v6 09/10] drm/i915: Update bits per component for display info

On Tue, 2016-07-12 at 15:51 +0200, Daniel Vetter wrote: > On Wed, Jul 06, 2016 at 02:04:53PM +0300, Mika Kahola wrote: > > DisplayPort branch device may define max supported bits per > > component. Update display info based on this value if bpc > > is defined. > > &

[PATCH v7 0/5] drm/i915: DP branch devices

routines to collect data (Ville) v5: Remove duplicate code and unnecessary functions from drm_dp_helper (Ville) v6: Rebase and i915_debugfs cleanup v7: Structure cleanups and initial step to move DP debugging info to drm_dp_helpers Mika Kahola (5): drm: Read DP branch device HW revision drm: Read DP

[PATCH v7 4/5] drm: Update bits per component for display info

ction (Daniel) Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 24 drivers/gpu/drm/i915/intel_dp.c | 3 +++ include/drm/drm_dp_helper.h | 4 3 files changed, 31 insertions(+) diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gp

[PATCH v7 2/5] drm: Read DP branch device SW revision

SW revision is mandatory field for DisplayPort branch devices. This is defined in DPCD register field 0x50A. v2: move drm_dp_ds_revision structure to be part of drm_dp_link structure (Daniel) Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 27

[PATCH v7 3/5] drm/i915: Check pixel rate for DP to VGA dongle

lle) v6: Move DP branch device check to drm_dp_helper.c (Daniel) Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 25 - 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c in

[PATCH v7 5/5] drm: Add DP branch device info on debugfs

al step to move debugging info from intel_dp. to drm_dp_helper.c (Daniel) Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 80 + drivers/gpu/drm/i915/i915_debugfs.c | 2 + include/drm/drm_dp_helper.h | 2 + 3 files changed, 84

[PATCH v7 1/5] drm: Read DP branch device HW revision

HW revision is mandatory field for DisplayPort branch devices. This is defined in DPCD register field 0x509. v2: move drm_dp_ds_revision structure to be part of drm_dp_link structure (Daniel) Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 27

[PATCH v7 1/5] drm: Read DP branch device HW revision

On Thu, 2016-08-11 at 10:10 +0300, Ville Syrjälä wrote: > On Mon, Aug 08, 2016 at 04:00:26PM +0300, Mika Kahola wrote: > > HW revision is mandatory field for DisplayPort branch > > devices. This is defined in DPCD register field 0x509. > > But what do we want to do with

[PATCH v7 3/5] drm/i915: Check pixel rate for DP to VGA dongle

On Thu, 2016-08-11 at 10:18 +0300, Ville Syrjälä wrote: > On Mon, Aug 08, 2016 at 04:00:28PM +0300, Mika Kahola wrote: > > Filter out a mode that exceeds the max pixel rate setting > > for DP to VGA dongle. This is defined in DPCD register 0x81 > > if detailed cap info i.e.

[PATCH v7 3/5] drm/i915: Check pixel rate for DP to VGA dongle

On Thu, 2016-08-11 at 12:56 +0200, Daniel Vetter wrote: > On Thu, Aug 11, 2016 at 01:51:42PM +0300, Ville Syrjälä wrote: > > On Thu, Aug 11, 2016 at 12:43:39PM +0300, Mika Kahola wrote: > > > On Thu, 2016-08-11 at 10:18 +0300, Ville Syrjälä wrote: > > > > On M

[PATCH v8 03/12] drm: Helper to read max clock rate

) Reviewed-by: Jim Bride Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 33 + include/drm/drm_dp_helper.h | 2 ++ 2 files changed, 35 insertions(+) diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index 031c4d3

[PATCH v8 04/12] drm: Helper to read max bits per component

Helper routine to read out maximum supported bits per component for DisplayPort legay converters. v2: Return early if detailed port cap info is not available. Replace if-else ladder with switch-case (Ville) Reviewed-by: Jim Bride Signed-off-by: Mika Kahola --- drivers/gpu/drm

[PATCH v8 07/12] drm/i915: Read DP branch device HW revision

(Ville) Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 21 + include/drm/drm_dp_helper.h | 1 + 2 files changed, 22 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 3dab3bf..9aebdf6 100644 --- a/drivers

[PATCH v8 11/12] drm: Add DP branch device info on debugfs

al step to move debugging info from intel_dp. to drm_dp_helper.c (Daniel) v6: read hw and sw revision without using specific drm_dp_helper routines Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 81 + drivers/gpu/drm/i915/i915_debu

[PATCH v8 00/12] drm/i915: DP branch devices

routines to collect data (Ville) v5: Remove duplicate code and unnecessary functions from drm_dp_helper (Ville) v6: Rebase and i915_debugfs cleanup v7: Structure cleanups and initial step to move DP debugging info to drm_dp_helpers v8: Cleanups and TMDS clock frequency check for HDMI adapter Mika Kahola

[PATCH v8 01/12] drm: Add missing DP downstream port types

Add missing DisplayPort downstream port types. The introduced new port types are DP++ and Wireless. Reviewed-by: Jim Bride Signed-off-by: Mika Kahola --- include/drm/drm_dp_helper.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h

[PATCH v8 03/12] drm: Helper to read max clock rate

) Reviewed-by: Jim Bride Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 33 + include/drm/drm_dp_helper.h | 2 ++ 2 files changed, 35 insertions(+) diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index 031c4d3

[PATCH v8 09/12] drm/i915: Check pixel rate for DP to VGA dongle

lle) v6: Move DP branch device check to drm_dp_helper.c (Daniel) v7: Cleanup as suggested by Ville Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 27 ++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/driv

[PATCH v8 00/12] drm/i915: DP branch devices

routines to collect data (Ville) v5: Remove duplicate code and unnecessary functions from drm_dp_helper (Ville) v6: Rebase and i915_debugfs cleanup v7: Structure cleanups and initial step to move DP debugging info to drm_dp_helpers v8: Cleanups and TMDS clock frequency check for HDMI adapter Mika Kahola

[PATCH v8 01/12] drm: Add missing DP downstream port types

Add missing DisplayPort downstream port types. The introduced new port types are DP++ and Wireless. Reviewed-by: Jim Bride Signed-off-by: Mika Kahola --- include/drm/drm_dp_helper.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h

[PATCH v8 05/12] drm: Read DP branch device id

Read DisplayPort branch device id string. Reviewed-by: Jim Bride Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 12 include/drm/drm_dp_helper.h | 2 ++ 2 files changed, 14 insertions(+) diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm

[PATCH v8 08/12] drm/i915: Read DP branch device SW revision

(Ville) Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 20 include/drm/drm_dp_helper.h | 1 + 2 files changed, 21 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 9aebdf6..91ffb79 100644 --- a/drivers

[PATCH v8 05/12] drm: Read DP branch device id

Read DisplayPort branch device id string. Reviewed-by: Jim Bride Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 12 include/drm/drm_dp_helper.h | 2 ++ 2 files changed, 14 insertions(+) diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm

[PATCH v8 07/12] drm/i915: Read DP branch device HW revision

(Ville) Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 21 + include/drm/drm_dp_helper.h | 1 + 2 files changed, 22 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 3dab3bf..9aebdf6 100644 --- a/drivers

[PATCH v8 10/12] drm/i915: Update bits per component for display info

ction (Daniel) v4: remove updating bpc for display info as it may be overridden when parsing EDID. Instead, check bpc for DP branch device during compute_config Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 17 - 1 file changed, 16 insertions(+), 1 del

[PATCH v8 09/12] drm/i915: Check pixel rate for DP to VGA dongle

lle) v6: Move DP branch device check to drm_dp_helper.c (Daniel) v7: Cleanup as suggested by Ville Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 27 ++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/driv

[PATCH v8 10/12] drm/i915: Update bits per component for display info

ction (Daniel) v4: remove updating bpc for display info as it may be overridden when parsing EDID. Instead, check bpc for DP branch device during compute_config Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 17 - 1 file changed, 16 insertions(+), 1 del

[PATCH v8 02/12] drm: Drop VGA from bpc definitions

Drop "VGA" from bits per component definitions as these are also used by other standards such as DVI, HDMI, DP++. Reviewed-by: Jim Bride Signed-off-by: Mika Kahola --- include/drm/drm_dp_helper.h | 10 +- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/i

[PATCH v8 04/12] drm: Helper to read max bits per component

Helper routine to read out maximum supported bits per component for DisplayPort legay converters. v2: Return early if detailed port cap info is not available. Replace if-else ladder with switch-case (Ville) Reviewed-by: Jim Bride Signed-off-by: Mika Kahola --- drivers/gpu/drm

[PATCH v8 08/12] drm/i915: Read DP branch device SW revision

(Ville) Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 20 include/drm/drm_dp_helper.h | 1 + 2 files changed, 21 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 9aebdf6..91ffb79 100644 --- a/drivers

[PATCH v8 09/12] Check pixel rate for DP to VGA dongle

lle) v6: Move DP branch device check to drm_dp_helper.c (Daniel) v7: Cleanup as suggested by Ville Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 27 ++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/driv

[PATCH v8 11/12] drm: Add DP branch device info on debugfs

al step to move debugging info from intel_dp. to drm_dp_helper.c (Daniel) v6: read hw and sw revision without using specific drm_dp_helper routines Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 81 + drivers/gpu/drm/i915/i915_debu

[PATCH v8 12/12] drm/i915: Check TMDS clock DP to HDMI dongle

Respect max TMDS clock frequency from DPCD for active DP to HDMI adapters. Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_drv.h | 3 +++ drivers/gpu/drm/i915/intel_hdmi.c | 27 +++ 2 files changed, 30 insertions(+) diff --git a/drivers/gpu/drm/i915

[PATCH v8 09/12] Check pixel rate for DP to VGA dongle

lle) v6: Move DP branch device check to drm_dp_helper.c (Daniel) v7: Cleanup as suggested by Ville Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 27 ++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/driv

[PATCH v8 06/12] drm/i915: Cleanup DisplayPort AUX channel initialization

Let's remove reference to "struct intel_connector *connector" in intel_dp_aux_init() function as it is no longer required. Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i9

[PATCH v8 06/12] drm/i915: Cleanup DisplayPort AUX channel initialization

Let's remove reference to "struct intel_connector *connector" in intel_dp_aux_init() function as it is no longer required. Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i9

[PATCH v8 12/12] drm/i915: Check TMDS clock DP to HDMI dongle

Respect max TMDS clock frequency from DPCD for active DP to HDMI adapters. Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_drv.h | 3 +++ drivers/gpu/drm/i915/intel_hdmi.c | 27 +++ 2 files changed, 30 insertions(+) diff --git a/drivers/gpu/drm/i915

[PATCH v8 02/12] drm: Drop VGA from bpc definitions

Drop "VGA" from bits per component definitions as these are also used by other standards such as DVI, HDMI, DP++. Reviewed-by: Jim Bride Signed-off-by: Mika Kahola --- include/drm/drm_dp_helper.h | 10 +- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/i

[PATCH libdrm] intel/i915_pciids: Add missing device ID for ICL

We are missing PCI device ID for SKU ICLLP U GT 1.5F (0x8A54) as per BSPec. BSpec: 19092 Signed-off-by: Mika Kahola --- intel/i915_pciids.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/intel/i915_pciids.h b/intel/i915_pciids.h index c7cdbfc4..0adce335 100644 --- a

[PATCH 1/2] drm/fourcc: Introduce format modifier for DG2 clear color

rate patch. Clarify the modifier layout description. Cc: dri-devel@lists.freedesktop.org Signed-off-by: Mika Kahola cc: Anshuman Gupta Signed-off-by: Juha-Pekka Heikkilä Signed-off-by: Ramalingam C Signed-off-by: Imre Deak Acked-by: Nanley Chery Reviewed-by: Juha-Pekka Heikkila Acked-by: Maa

[PATCH v8 12/12] drm/i915: Check TMDS clock DP to HDMI dongle

On Thu, 2016-09-08 at 15:48 +0300, Ville Syrjälä wrote: > On Wed, Aug 17, 2016 at 01:49:49PM +0300, Mika Kahola wrote: > > > > Respect max TMDS clock frequency from DPCD for active > > DP to HDMI adapters. > > > > Signed-off-by: Mika Kahola > > --- >

[PATCH v9 00/12] drm/i915: DP branch devices

: Indentation fixes (Jim Bride) Mika Kahola (12): drm: Add missing DP downstream port types drm: Drop VGA from bpc definitions drm: Helper to read max clock rate drm: Helper to read max bits per component drm: Read DP branch device id drm/i915: Cleanup DisplayPort AUX channel initialization drm

[PATCH v9 01/12] drm: Add missing DP downstream port types

Add missing DisplayPort downstream port types. The introduced new port types are DP++ and Wireless. Reviewed-by: Jim Bride Signed-off-by: Mika Kahola --- include/drm/drm_dp_helper.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h

[PATCH v9 02/12] drm: Drop VGA from bpc definitions

Drop "VGA" from bits per component definitions as these are also used by other standards such as DVI, HDMI, DP++. Reviewed-by: Jim Bride Signed-off-by: Mika Kahola --- include/drm/drm_dp_helper.h | 10 +- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/i

[PATCH v9 03/12] drm: Helper to read max clock rate

) Reviewed-by: Jim Bride Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 33 + include/drm/drm_dp_helper.h | 2 ++ 2 files changed, 35 insertions(+) diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index 031c4d3

[PATCH v9 04/12] drm: Helper to read max bits per component

Helper routine to read out maximum supported bits per component for DisplayPort legay converters. v2: Return early if detailed port cap info is not available. Replace if-else ladder with switch-case (Ville) Reviewed-by: Jim Bride Signed-off-by: Mika Kahola --- drivers/gpu/drm

[PATCH v9 05/12] drm: Read DP branch device id

Read DisplayPort branch device id string. Reviewed-by: Jim Bride Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 12 include/drm/drm_dp_helper.h | 2 ++ 2 files changed, 14 insertions(+) diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm

[PATCH v9 06/12] drm/i915: Cleanup DisplayPort AUX channel initialization

Let's remove reference to "struct intel_connector *connector" in intel_dp_aux_init() function as it is no longer required. Reviewed-by: Jim Bride Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --gi

[PATCH v9 07/12] drm/i915: Read DP branch device HW revision

(Ville) Reviewed-by: Jim Bride Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 21 + include/drm/drm_dp_helper.h | 1 + 2 files changed, 22 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index c69ad13

[PATCH v9 08/12] drm/i915: Read DP branch device SW revision

info to dmesg (Ville) v4: commit message fix (Jim Bride) Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 20 include/drm/drm_dp_helper.h | 1 + 2 files changed, 21 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915

[PATCH v9 09/12] drm/i915: Check pixel rate for DP to VGA dongle

lle) v6: Move DP branch device check to drm_dp_helper.c (Daniel) v7: Cleanup as suggested by Ville Reviewed-by: Jim Bride Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 27 ++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/

[PATCH v9 10/12] drm/i915: Update bits per component for display info

ction (Daniel) v4: remove updating bpc for display info as it may be overridden when parsing EDID. Instead, check bpc for DP branch device during compute_config v5: Indentation fixes (Jim Bride) Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 16 +++- 1

[PATCH v9 11/12] drm: Add DP branch device info on debugfs

al step to move debugging info from intel_dp. to drm_dp_helper.c (Daniel) v6: read hw and sw revision without using specific drm_dp_helper routines v7: indentation fixes (Jim Bride) Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 85 + d

[PATCH v9 12/12] drm/i915: Check TMDS clock DP to HDMI dongle

Respect max TMDS clock frequency from DPCD for active DP to HDMI adapters. Reviewed-by: Jim Bride Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_drv.h | 3 +++ drivers/gpu/drm/i915/intel_hdmi.c | 27 +++ 2 files changed, 30 insertions(+) diff --git a

[PATCH v8 12/12] drm/i915: Check TMDS clock DP to HDMI dongle

On Fri, 2016-09-09 at 12:09 +0300, Ville Syrjälä wrote: > On Fri, Sep 09, 2016 at 10:45:27AM +0300, Mika Kahola wrote: > > > > On Thu, 2016-09-08 at 15:48 +0300, Ville Syrjälä wrote: > > > > > > On Wed, Aug 17, 2016 at 01:49:49PM +0300, Mika Kahola wrote:

[drm-intel:for-linux-next 6/12] htmldocs: drivers/gpu/drm/drm_dp_helper.c:523: warning: No description found for parameter 'id[6]'

I'll fix this. Cheers, Mika On Fri, 2016-09-16 at 10:53 +0300, Jani Nikula wrote: > Mika, please send in the documentation fix. > > BR, > Jani. > > > On Fri, 16 Sep 2016, kbuild test robot > wrote: > > > > tree:   git://anongit.freedesktop.org/drm-intel for-linux-next > > head:   80209

[PATCH] drm: Fix DisplayPort branch device ID

Fix missing parameter description for DisplayPort branch device ID. This fixes warning of "No description found for parameter 'id[6]'" when creating documentation by 'make htmldocs'. Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 1 + 1 file chang

[PATCH 2/3] drm: Add DP port types from DP 1.3 specification

DP specification 1.3 defines DP downstream ports for DP++ and wireless devices. Let's add these to port definitions. Signed-off-by: Mika Kahola --- include/drm/drm_dp_helper.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h

[PATCH 1/3] drm/i915: Check pixel rate for DP to VGA dongle

rate divided by 8 in MP/s. Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 34 ++ drivers/gpu/drm/i915/intel_drv.h | 9 + 2 files changed, 43 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c

[PATCH 0/3] drm/i915: DP branch devices

This series of patches reads either pixel rate or TMDS clock rate from DPCD. Pixel rate is defined for DP to VGA dongles and TMDS clock rate for others except wireless dongle. The mode that requires either higher pixel rate or TMDS clock rate are filtered out during the mode validity check. Mika

[PATCH 3/3] drm/i915: Check HDMI TMDS clock rate from DPCD

Read TMDS clock rate from DPCD for HDMI to filter out modes that might require higher TMDS clock rate than supported. Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 3 +++ drivers/gpu/drm/i915/intel_drv.h | 1 + drivers/gpu/drm/i915/intel_hdmi.c | 7 --- 3 files changed

[PATCH 2/3] drm: Add DP port types from DP 1.3 specification

On Tue, 2016-05-03 at 10:35 -0400, Ilia Mirkin wrote: > > On May 3, 2016 9:49 AM, "Mika Kahola" wrote: > > > > DP specification 1.3 defines DP downstream ports for > > DP++ and wireless devices. Let's add these to port > > definitions. > > >

[Intel-gfx] [PATCH 1/3] drm/i915: Check pixel rate for DP to VGA dongle

On Tue, 2016-05-03 at 16:28 +0200, Daniel Vetter wrote: > On Tue, May 03, 2016 at 04:23:34PM +0300, Ville Syrjälä wrote: > > On Tue, May 03, 2016 at 02:46:36PM +0300, Mika Kahola wrote: > > > Prep work to improve DP branch device handling. > > > > > > Fi

[PATCH v2 1/7] drm: Add missing DP downstream port types

Add missing DisplayPort downstream port types. The introduced new port types are DP++ and Wireless. Signed-off-by: Mika Kahola --- include/drm/drm_dp_helper.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index 92d9a52..4049af9

[PATCH v2 3/7] drm: Read DPCD receiver capability for DP to DVI converter

Read from DPCD receiver capability field for the following features: - max TMDS clock rate - max bits per component - single or dual link support - high color depth support Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 5 + include/drm/drm_dp_helper.h | 14

[PATCH v2 0/7] drm/i915: DP branch devices

defines max pixel rate for VGA dongles. This check is carried out during mode validation. Acronyms: DFPDownstream-Facing Port v2: DPCD register read outs moved to drm (Ville, Daniel) Mika Kahola (7): drm: Add missing DP downstream port types drm: Read DPCD receiver capability for DP to

[PATCH v2 2/7] drm: Read DPCD receiver capability for DP to VGA converter

Read from DPCD receiver capability field the max allowed pixel clock and bits per component for DP to VGA converter. Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 46 drivers/gpu/drm/i915/intel_drv.h | 2 ++ include/drm

[PATCH v2 4/7] drm: Read DPCD receiver capability for DP to HDMI converter

pass through - support for conversion from YCBCR444 to YCBCR422 - support for conversion from YCBCR444 to YCBCR420 Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 8 include/drm/drm_dp_helper.h | 19 +++ 2 files changed, 27 insertions(+) diff --git

[PATCH v2 5/7] drm: Read DPCD receiver capability for DP++

Read from DPCD receiver capability field for the DP++ devices. The features are - max TMDS charachter clock - max bits per component - support for conversion from 3D frame sequential to frame pack Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 4 include/drm

[PATCH v2 6/7] drm: Read DPCD receiver capability for DP to Wireless Converter

active Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 7 +++ include/drm/drm_dp_helper.h | 13 + 2 files changed, 20 insertions(+) diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index f98e4be..2c91771 100644 --- a/drivers/gpu/drm

[PATCH v2 7/7] drm/i915: Check pixel rate for DP to VGA dongle

rate divided by 8 in MP/s. v2: DPCD read outs and computation moved to drm (Ville, Daniel) Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 11 +++ 1 file changed, 11 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 3633002

[PATCH v3 01/12] drm: Add missing DP downstream port types

Add missing DisplayPort downstream port types. The introduced new port types are DP++ and Wireless. Signed-off-by: Mika Kahola --- include/drm/drm_dp_helper.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index 5a848e7..e384c7f

[PATCH v3 04/12] drm: Read DPCD receiver capability for DP to HDMI converter

pass through - support for conversion from YCBCR444 to YCBCR422 - support for conversion from YCBCR444 to YCBCR420 Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 8 include/drm/drm_dp_helper.h | 19 +++ 2 files changed, 27 insertions(+) diff --git

[PATCH v3 05/12] drm: Read DPCD receiver capability for DP++

Read from DPCD receiver capability field for the DP++ devices. The features are - max TMDS charachter clock - max bits per component - support for conversion from 3D frame sequential to frame pack Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 4 include/drm

[PATCH v3 07/12] drm: Compute max pixel rate for DP sink

For DP branch devices DPCD register may define the max supported pixel rate for VGA dongles. This patch adds a check if DPCD register value is less than current setting for pixel rate. Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 22 ++ include/drm

[PATCH v3 10/12] drm/i915: Read DP branch device HW revision

HW revision is mandatory field for DisplayPort branch devices. This is defined in DPCD register field 0x509. Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 5 + include/drm/drm_dp_helper.h | 2 ++ 2 files changed, 7 insertions(+) diff --git a/drivers/gpu/drm/i915

[PATCH v3 00/12] drm/i915: DP branch devices

Ville, Daniel) v3: Max pixel rate computation moved to drm (Daniel) Mika Kahola (12): drm: Add missing DP downstream port types drm: Read DPCD receiver capability for DP to VGA converter drm: Read DPCD receiver capability for DP to DVI converter drm: Read DPCD receiver capability for DP to

[PATCH v3 02/12] drm: Read DPCD receiver capability for DP to VGA converter

Read from DPCD receiver capability field the max allowed pixel clock and bits per component for DP to VGA converter. Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 46 drivers/gpu/drm/i915/intel_drv.h | 2 ++ include/drm

[PATCH v3 03/12] drm: Read DPCD receiver capability for DP to DVI converter

Read from DPCD receiver capability field for the following features: - max TMDS clock rate - max bits per component - single or dual link support - high color depth support Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 5 + include/drm/drm_dp_helper.h | 14

[PATCH v3 06/12] drm: Read DPCD receiver capability for DP to Wireless Converter

active Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 7 +++ include/drm/drm_dp_helper.h | 13 + 2 files changed, 20 insertions(+) diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index f98e4be..2c91771 100644 --- a/drivers/gpu/drm

[PATCH v3 08/12] drm/i915: Check pixel rate for DP to VGA dongle

rate divided by 8 in MP/s. v2: DPCD read outs and computation moved to drm (Ville, Daniel) v3: Sink pixel rate computation moved to drm_dp_max_sink_dotclock() function (Daniel) Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 7 +++ 1 file changed, 7 insertions(+) diff

[PATCH v3 11/12] drm/i915: Read DP branch device SW revision

SW revision is mandatory field for DisplayPort branch devices. This is defined in DPCD register field 0x50A. Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 5 + include/drm/drm_dp_helper.h | 2 ++ 2 files changed, 7 insertions(+) diff --git a/drivers/gpu/drm/i915

[PATCH v3 12/12] drm/i915: Add DP branch device info on debugfs

Read DisplayPort branch device info from through debugfs interface. Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/i915_debugfs.c | 37 + 1 file changed, 37 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915

[PATCH v3 09/12] drm/i915: Read DP branch device id

Read device ID for DisplayPort branch devices. The device ID is defined in DPCD register 0x503 and it is mandatory field for DP branch devices. Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 6 ++ include/drm/drm_dp_helper.h | 2 ++ 2 files changed, 8 insertions

[PATCH] uapi/drm/drm_fourcc.h: Note on platform specificity for format modifiers

more effective address swizzling algorithm. Signed-off-by: Mika Kahola --- include/uapi/drm/drm_fourcc.h | 6 -- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index 8bc0b31597d8..3e56c24cabb6 100644 --- a/include/uapi

[PATCH v2] uapi/drm/drm_fourcc.h: Note on platform specificity for format modifiers

more effective address swizzling algorithm. v2: Rephrase comment (Daniel) Signed-off-by: Mika Kahola --- include/uapi/drm/drm_fourcc.h | 18 -- 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index

[PATCH v4 03/11] drm: Helper to read DP branch device type

: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 14 ++ include/drm/drm_dp_helper.h | 1 + 2 files changed, 15 insertions(+) diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index c4149fd..7d3b245 100644 --- a/drivers/gpu/drm/drm_dp_helper.c +++ b

[PATCH v4 07/11] drm: Read DP branch device HW revision

HW revision is mandatory field for DisplayPort branch devices. This is defined in DPCD register field 0x509. Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 21 + include/drm/drm_dp_helper.h | 7 +++ 2 files changed, 28 insertions(+) diff --git a

[PATCH v4 08/11] drm: Read DP branch device SW revision

SW revision is mandatory field for DisplayPort branch devices. This is defined in DPCD register field 0x50A. Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 22 ++ include/drm/drm_dp_helper.h | 4 +++- 2 files changed, 25 insertions(+), 1 deletion

[PATCH v4 10/11] drm/i915: Update bits per component for display info

DisplayPort branch device may define max supported bits per component. Update display info based on this value if bpc is defined. Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 12 1 file changed, 12 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_dp.c b

[PATCH v4 00/11] drm/i915: DP branch devices

aniel) v4: Use of drm_dp_helper routines to collect data (Ville) Mika Kahola (11): drm: Add missing DP downstream port types drm: Read DP downstream port capabilities drm: Helper to read DP branch device type drm: Helper to read max clock rate drm: Helper to read max bits per component

[PATCH v4 01/11] drm: Add missing DP downstream port types

Add missing DisplayPort downstream port types. The introduced new port types are DP++ and Wireless. Signed-off-by: Mika Kahola --- include/drm/drm_dp_helper.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index 5a848e7..e384c7f

[PATCH v4 04/11] drm: Helper to read max clock rate

Helper routine to read out maximum supported pixel rate for DisplayPort legay VGA converter or TMDS clock rate for other digital legacy converters. The helper returns clock rate in kHz. Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 28 include/drm

[PATCH v4 05/11] drm: Helper to read max bits per component

Helper routine to read out maximum supported bits per component for DisplayPort legay converters. Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 31 +++ include/drm/drm_dp_helper.h | 2 ++ 2 files changed, 33 insertions(+) diff --git a/drivers

[PATCH v4 06/11] drm: Read DP branch device id

Read DisplayPort branch device id string. Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 12 include/drm/drm_dp_helper.h | 2 ++ 2 files changed, 14 insertions(+) diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index bac0ccc

[PATCH v4 11/11] drm/i915: Add DP branch device info on debugfs

Read DisplayPort branch device info from through debugfs interface. v2: use drm_dp_helper routines to collect data Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/i915_debugfs.c | 66 + 1 file changed, 66 insertions(+) diff --git a/drivers/gpu/drm/i915

[PATCH v4 02/11] drm: Read DP downstream port capabilities

Read DisplayPort downstream port capabilities. Depending on the DP port the capabilities are defined in length of 1 byte or 4 bytes depending if the detailed capability information is available. Signed-off-by: Mika Kahola --- drivers/gpu/drm/drm_dp_helper.c | 27

[PATCH v4 09/11] drm/i915: Check pixel rate for DP to VGA dongle

computation moved to drm (Ville, Daniel) v3: Sink pixel rate computation moved to drm_dp_max_sink_dotclock() function (Daniel) v4: Use of drm_dp_helper.c routines to compute max pixel clock (Ville) Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/intel_dp.c | 17 + 1 file

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