off-by: Suraj Kandpal
Suraj Kandpal (8):
drm/dp: Add eDP 1.5 bit definition
drm/dp: Increase eDP display control capability size
drm/i915/backlight: Use proper interface based on eDP version
drm/i915/backlight: Check Luminance based brightness control for VESA
drm/i915/backlight: Mod
eDP is supposed to use VESA interface when using revision 1.5 and above,
use Intel interface for backlight control otherwise. Add check to
use correct interface.
Signed-off-by: Suraj Kandpal
Tested-by: Ben Kao
---
drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c | 8 +++-
1 file
Create a function that fills in the value for
PANEL_TARGET_LUMINANCE_VALUE which helps in changing the luminance in
nits using VESA interface.
--v2
-Prefer using luminance over nits [Jani]
Signed-off-by: Suraj Kandpal
Tested-by: Ben Kao
Reviewed-by: Arun R Murthy
---
.../drm/i915/display
Enable nits based luminance by writing the PANEL_LUMINANCE_CONTROL
bit and set the correct register to change brightness.
Signed-off-by: Suraj Kandpal
Tested-by: Ben Kao
Reviewed-by: Arun R Murthy
---
.../gpu/drm/i915/display/intel_dp_aux_backlight.c | 15 +++
1 file changed, 15
]
-Use correct edp_dpcd[] to check the capability [Arun]
Signed-off-by: Suraj Kandpal
Tested-by: Ben Kao
---
drivers/gpu/drm/i915/display/intel_display_types.h| 1 +
drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c | 9 +
2 files changed, 10 insertions(+)
diff --git a/drivers/gpu
Modify vesa_get_brightness function to take into account
luminance_control_support and based on that read the appropriate
register and return the value.
--v2
-Changes since we now use luminance instead of nits
Signed-off-by: Suraj Kandpal
Tested-by: Ben Kao
Reviewed-by: Arun R Murthy
Add the eDP revision bit value for 1.5.
Spec: eDPv1.5 Table 16-5
Signed-off-by: Suraj Kandpal
Reviewed-by: Arun R Murthy
Tested-by: Ben Kao
---
include/drm/display/drm_dp.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index
Modify backlight setup function for VESA interface to take into
account the nits based luminance.
--v2
-Prefer using luminance over nits [Jani]
Signed-off-by: Suraj Kandpal
Tested-by: Ben Kao
Reviewed-by: Arun R Murthy
---
.../drm/i915/display/intel_dp_aux_backlight.c | 99
Increase the eDP display control capability size to take into
account the general capability register 703 and 704 that have
recently been added.
Signed-off-by: Suraj Kandpal
---
include/drm/display/drm_dp.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/drm/display
Create a function that fills in the value for
PANEL_TARGET_LUMINANCE_VALUE which helps in changing the luminance in
nits using VESA interface.
--v2
-Prefer using luminance over nits [Jani]
Signed-off-by: Suraj Kandpal
Tested-by: Ben Kao
---
.../drm/i915/display/intel_dp_aux_backlight.c | 30
Modify vesa_get_brightness function to take into account
luminance_control_support and based on that read the appropriate
register and return the value.
--v2
-Changes since we now use luminance instead of nits
Signed-off-by: Suraj Kandpal
Tested-by: Ben Kao
---
.../drm/i915/display
Enable nits based luminance by writing the PANEL_LUMINANCE_CONTROL
bit and set the correct register to change brightness.
Signed-off-by: Suraj Kandpal
Tested-by: Ben Kao
---
.../gpu/drm/i915/display/intel_dp_aux_backlight.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a
Modify backlight setup function for VESA interface to take into
account the nits based luminance.
--v2
-Prefer using luminance over nits [Jani]
Signed-off-by: Suraj Kandpal
Tested-by: Ben Kao
---
.../drm/i915/display/intel_dp_aux_backlight.c | 99 +++
1 file changed, 59
Check if we are capable of controlling brightness via luminance
which is dependent on PANEL_LUMINANCE_OVERRIDE being set.
--v2
-Prefer using luminance rather than nits [Jani]
-Fix commit message
Signed-off-by: Suraj Kandpal
Tested-by: Ben Kao
---
drivers/gpu/drm/i915/display
eDP is supposed to use VESA interface when using revision 1.5 and above,
use Intel interface for backlight control otherwise. Add check to
use correct interface.
Signed-off-by: Suraj Kandpal
Tested-by: Ben Kao
---
drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c | 8 +++-
1 file
Add the eDP revision bit value for 1.5.
Spec: eDPv1.5 Table 16-5
Signed-off-by: Suraj Kandpal
Reviewed-by: Arun R Murthy
Tested-by: Ben Kao
---
include/drm/display/drm_dp.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index
tps://gitlab.freedesktop.org/drm/xe/kernel/-/issues/3669
Signed-off-by: Suraj Kandpal
Suraj Kandpal (7):
drm/dp: Add eDP 1.5 bit definition
drm/i915/backlight: Use proper interface based on eDP version
drm/i915/backlight: Check Luminance based brightness control for VESA
drm/i915/backli
eDP is supposed to use VESA interface when using revision 1.5 and above,
use Intel interface for backlight control otherwise. Add check to
use correct interface.
Signed-off-by: Suraj Kandpal
---
drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c | 8 +++-
1 file changed, 7 insertions
Check if we are capable of controlling brightness via Nits which
is dependant on PANEL_LUMINANCE_OVERRIDE and SMOOTH_BRIGHTNESS
capablility being set.
Signed-off-by: Suraj Kandpal
---
drivers/gpu/drm/i915/display/intel_display_types.h| 1 +
drivers/gpu/drm/i915/display
Modify backlight setup function for VESA interface to take into
account the NITS based brightness.
Signed-off-by: Suraj Kandpal
---
.../drm/i915/display/intel_dp_aux_backlight.c | 97 +++
1 file changed, 57 insertions(+), 40 deletions(-)
diff --git a/drivers/gpu/drm/i915
Enable Nits based brightness by writing the PANEL_LUMINANCE_CONTROL
bit and set the correct register to change brightness.
Signed-off-by: Suraj Kandpal
---
.../gpu/drm/i915/display/intel_dp_aux_backlight.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/drivers/gpu/drm/i915
Create a function that fills in the value for
PANEL_TARGET_LUMINANCE_VALUE which helps in changing the brightness in
NITS using VESA interface.
Signed-off-by: Suraj Kandpal
---
.../drm/i915/display/intel_dp_aux_backlight.c | 29 +++
1 file changed, 29 insertions(+)
diff --git a
Modify vesa_get_brightness function to take into account nits_support
and based on that read the appropriate register and return the value.
Signed-off-by: Suraj Kandpal
---
.../drm/i915/display/intel_dp_aux_backlight.c | 20 +++
1 file changed, 20 insertions(+)
diff --git a
Add the eDP revision bit value for 1.5.
Spec: eDPv1.5 Table 16-5
Signed-off-by: Suraj Kandpal
---
include/drm/display/drm_dp.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index a6f8b098c56f..76162ad3b152 100644
--- a/include
off-by: Suraj Kandpal
Suraj Kandpal (7):
drm/dp: Add eDP 1.5 bit definition
drm/i915/backlight: Use proper interface based on eDP version
drm/i915/backlight: Check Nits based brightness control for VESA
drm/i915/backlight: Modify function to get VESA brightness in NITS
drm/i915/backlight:
]
Spec: DP v2.1 Section 3.6.12.3
Signed-off-by: Suraj Kandpal
Reviewed-by: Arun R Murthy
---
drivers/gpu/drm/i915/display/intel_ddi.c | 4
drivers/gpu/drm/i915/display/intel_dp_link_training.c | 2 +-
drivers/gpu/drm/i915/display/intel_dp_link_training.h | 1 +
3 files changed, 6
sink device.
--v2
-Add documentation [Dmitry]
Spec: DP v2.1 Section 3.6.12.3
Signed-off-by: Suraj Kandpal
---
drivers/gpu/drm/display/drm_dp_helper.c | 58 +
include/drm/display/drm_dp_helper.h | 1 +
2 files changed, 59 insertions(+)
diff --git a/drivers/gpu/drm
Add DPCD registers required to configure Extended Wake Timeout
for LTTPR.
Signed-off-by: Suraj Kandpal
Reviewed-by: Arun R Murthy
---
include/drm/display/drm_dp.h | 14 ++
1 file changed, 14 insertions(+)
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
state exit.
DP source device shall keep retying the AUX tansaction up to the
extended timeout that is being granted for LTTPRs from the sink device
Signed-off-by: Suraj Kandpal
Suraj Kandpal (3):
drm/dp: Add the DPCD register required for Extended wake timeout
drm/display/dp: Define
state exit.
DP source device shall keep retying the AUX tansaction up to the
extended timeout that is being granted for LTTPRs from the sink device
Signed-off-by: Suraj Kandpal
Suraj Kandpal (3):
drm/dp: Add the DPCD register required for Extended wake timeout
drm/display/dp: Define
]
Spec: DP v2.1 Section 3.6.12.3
Signed-off-by: Suraj Kandpal
---
drivers/gpu/drm/i915/display/intel_ddi.c | 4
drivers/gpu/drm/i915/display/intel_dp_link_training.c | 2 +-
drivers/gpu/drm/i915/display/intel_dp_link_training.h | 1 +
3 files changed, 6 insertions(+), 1 deletion
Add DPCD registers required to configure Extended Wake Timeout
for LTTPR.
Signed-off-by: Suraj Kandpal
---
include/drm/display/drm_dp.h | 14 ++
1 file changed, 14 insertions(+)
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index a6f8b098c56f
sink device.
Spec: DP v2.1 Section 3.6.12.3
Signed-off-by: Suraj Kandpal
---
drivers/gpu/drm/display/drm_dp_helper.c | 47 +
include/drm/display/drm_dp_helper.h | 1 +
2 files changed, 48 insertions(+)
diff --git a/drivers/gpu/drm/display/drm_dp_helper.c
b/drivers/gpu
tansaction till the extended
timeout that is being granted for LTTPRs from the sink device
--v2
-Grant the requested time only if greater than 1ms [Arun]
-Reframe commit message [Arun]
Spec: DP v2.1 Section 3.6.12.3
Signed-off-by: Suraj Kandpal
---
drivers/gpu/drm/i915/display/intel_ddi.c | 2
Add DPCD registers required to configure Extended Wake Timeout
for LTTPR.
Signed-off-by: Suraj Kandpal
---
include/drm/display/drm_dp.h | 14 ++
1 file changed, 14 insertions(+)
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index a6f8b098c56f
state exit.
DP source device shall keep retying the AUX tansaction upto the
extended timeout that is being granted for LTTPRs from the sink device
Signed-off-by: Suraj Kandpal
Suraj Kandpal (2):
drm/dp: Add the DPCD register required for Extended wake timeout
drm/i915/lttpr: Enable
("drm/i915/mtl: Add Support for C10 PHY message bus and pll
programming")
Signed-off-by: Suraj Kandpal
---
drivers/gpu/drm/i915/display/intel_cx0_phy.c | 12
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
b/drive
Add DPCD registers required to configure Extended Wake Timeout
for LTTPR.
Signed-off-by: Suraj Kandpal
---
include/drm/display/drm_dp.h | 14 ++
1 file changed, 14 insertions(+)
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index a6f8b098c56f
sink device.
Spec: DP v2.1 Section 3.6.12.3
Signed-off-by: Suraj Kandpal
---
drivers/gpu/drm/i915/display/intel_ddi.c | 2 +
.../drm/i915/display/intel_dp_link_training.c | 46 +++
.../drm/i915/display/intel_dp_link_training.h | 1 +
3 files changed, 49 insertions(+)
diff
state exit.
Signed-off-by: Suraj Kandpal
Suraj Kandpal (2):
drm/dp: Add the DPCD register required for Extended wake timeout
drm/i915/lttpr: Enable Extended Wake Timeout
drivers/gpu/drm/i915/display/intel_ddi.c | 2 +
.../drm/i915/display/intel_dp_link_training.c | 46
and height are
of two
-fix minimum pixel in slice condition
--v10
-condition should be < rather then >= [Uma]
Cc: Uma Shankar
Signed-off-by: Suraj Kandpal
Reviewed-by: Uma Shankar
---
drivers/gpu/drm/i915/display/intel_vdsc.c | 32 +++
1 file changed, 32 insertions(+)
From: Swati Sharma
DSC_Output_Format_Sink_Support entry is added to i915_dsc_fec_support_show
to depict if sink supports DSC output formats (RGB/YCbCr420/YCbCr444).
Also, new debugfs entry is created to enforce output format. This is
required because of our driver policy. For ex. if a mode is sup
need to be chosen.
Other rc_parameters need to be set where currently values for 444 format
is hardcoded in calculate_rc_parameters( ).
vdsc_cfg struct needs to be filled with output format information, where
these are hardcoded for 444 format.
Bspec: 49259
Signed-off-by: Suraj Kandpal
Reviewed-by
v12
-fix state mismatch issue of compressed_bpp
Cc: Uma Shankar
Cc: Jani Nikula
Signed-off-by: Suraj Kandpal
Reviewed-by: Uma Shankar
---
drivers/gpu/drm/i915/display/icl_dsi.c| 2 -
drivers/gpu/drm/i915/display/intel_dp.c | 16 +++-
drivers/gpu/drm/i915/display/intel_vds
Adding new DSC register which are introducted MTL onwards
Signed-off-by: Suraj Kandpal
Reviewed-by: Vandita Kulkarni
Reviewed-by: Uma Shankar
---
.../gpu/drm/i915/display/intel_vdsc_regs.h| 28 +++
1 file changed, 28 insertions(+)
diff --git a/drivers/gpu/drm/i915/display
From: Ankit Nautiyal
Go with DSC only if the given output_format is supported.
v2: Use drm helper to get DSC format support for sink.
v3: remove drm_dp_dsc_compute_bpp.
Cc: Uma Shankar
Signed-off-by: Ankit Nautiyal
Reviewed-by: Uma Shankar
---
drivers/gpu/drm/i915/display/intel_dp.c | 28 +
From: Ankit Nautiyal
Add helper to check if the DP sink supports DSC with the given
o/p format.
v2: Add documentation for the helper. (Uma Shankar)
v3: /** instead of /* (Uma Shankar)
Signed-off-by: Ankit Nautiyal
Reviewed-by: Uma Shankar
---
include/drm/display/drm_dp_helper.h | 13 ++
patches
have gotten rb and can be found in the below link
https://patchwork.freedesktop.org/series/113729
Ankit Nautiyal (2):
drm/dp_helper: Add helper to check DSC support with given o/p format
drm/i915/dp: Check if DSC supports the given output_format
Suraj Kandpal (4):
drm/i915/dsc
v12
-fix state mismatch issue of compressed_bpp
Cc: Uma Shankar
Cc: Jani Nikula
Signed-off-by: Suraj Kandpal
---
drivers/gpu/drm/i915/display/icl_dsi.c| 2 -
drivers/gpu/drm/i915/display/intel_dp.c | 16 +++-
drivers/gpu/drm/i915/display/intel_vdsc.c | 98 ---
3 files
From: Swati Sharma
DSC_Output_Format_Sink_Support entry is added to i915_dsc_fec_support_show
to depict if sink supports DSC output formats (RGB/YCbCr420/YCbCr444).
Also, new debugfs entry is created to enforce output format. This is
required because of our driver policy. For ex. if a mode is sup
Cc: Uma Shankar
Cc: Jani Nikula
Signed-off-by: Suraj Kandpal
---
drivers/gpu/drm/i915/display/icl_dsi.c| 2 -
drivers/gpu/drm/i915/display/intel_dp.c | 7 ++-
drivers/gpu/drm/i915/display/intel_vdsc.c | 74 ++-
3 files changed, 75 insertions(+), 8 deletions(-)
diff --git a
and height are
of two
-fix minimum pixel in slice condition
--v10
-condition should be < rather then >= [Uma]
Cc: Uma Shankar
Signed-off-by: Suraj Kandpal
---
drivers/gpu/drm/i915/display/intel_vdsc.c | 32 +++
1 file changed, 32 insertions(+)
diff --git a/drivers/g
need to be chosen.
Other rc_parameters need to be set where currently values for 444 format
is hardcoded in calculate_rc_parameters( ).
vdsc_cfg struct needs to be filled with output format information, where
these are hardcoded for 444 format.
Bspec: 49259
Signed-off-by: Suraj Kandpal
Reviewed-by
Adding new DSC register which are introducted MTL onwards
Signed-off-by: Suraj Kandpal
Reviewed-by: Vandita Kulkarni
---
drivers/gpu/drm/i915/i915_reg.h | 28
1 file changed, 28 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915
From: Ankit Nautiyal
Go with DSC only if the given output_format is supported.
v2: Use drm helper to get DSC format support for sink.
v3: remove drm_dp_dsc_compute_bpp.
Cc: Uma Shankar
Signed-off-by: Ankit Nautiyal
---
drivers/gpu/drm/i915/display/intel_dp.c | 28 +
From: Ankit Nautiyal
Add helper to check if the DP sink supports DSC with the given
o/p format.
v2: Add documentation for the helper. (Uma Shankar)
Signed-off-by: Ankit Nautiyal
---
include/drm/display/drm_dp_helper.h | 13 +
1 file changed, 13 insertions(+)
diff --git a/include/
patches
have gotten rb and can be found in the below link
https://patchwork.freedesktop.org/series/113729
Ankit Nautiyal (2):
drm/dp_helper: Add helper to check DSC support with given o/p format
drm/i915/dp: Check if DSC supports the given output_format
Suraj Kandpal (4):
drm/i915: Adding
Adding support for writeback transcoder to start capturing frames using
interrupt mechanism
Signed-off-by: Suraj Kandpal
---
drivers/gpu/drm/i915/Makefile | 1 +
drivers/gpu/drm/i915/display/intel_acpi.c | 1 +
drivers/gpu/drm/i915/display/intel_display.c | 89
Adding WD Types, WD transcoder to enum list and WD Transcoder offsets
Signed-off-by: Suraj Kandpal
---
drivers/gpu/drm/i915/display/intel_display.h | 6 ++
drivers/gpu/drm/i915/display/intel_display_types.h | 1 +
drivers/gpu/drm/i915/i915_reg.h| 2 ++
3 files
Changes to create a i915 private pipeline to enable the WD transcoder
without relying on the current drm_writeback framework.
Signed-off-by: Suraj Kandpal
---
drivers/gpu/drm/i915/Makefile | 1 +
.../drm/i915/display/intel_display_types.h| 4 +
.../gpu/drm/i915/display
to own writeback pipeline bypassing one
provided by drm which is what these patches do.
Note: these are temp patches till we figure out how we can either change
drm core writeback to work with our intel_connector structure or find a
different solution which allows us to work with the current
Suraj
Adding support for writeback transcoder to start capturing frames using
interrupt mechanism
Signed-off-by: Suraj Kandpal
---
drivers/gpu/drm/i915/Makefile | 1 +
drivers/gpu/drm/i915/display/intel_acpi.c | 1 +
drivers/gpu/drm/i915/display/intel_display.c | 89
Adding WD Types, WD transcoder to enum list and WD Transcoder offsets
Signed-off-by: Suraj Kandpal
---
drivers/gpu/drm/i915/display/intel_display.h | 6 ++
drivers/gpu/drm/i915/display/intel_display_types.h | 1 +
drivers/gpu/drm/i915/i915_reg.h| 2 ++
3 files
Changes to create a i915 private pipeline to enable the WD transcoder
without relying on the current drm_writeback framework.
Signed-off-by: Suraj Kandpal
---
drivers/gpu/drm/i915/Makefile | 1 +
.../drm/i915/display/intel_display_types.h| 4 +
.../gpu/drm/i915/display
drm_writeback framework
Suraj Kandpal (3):
drm/i915: Creating writeback pipeline to bypass drm_writeback
framework
drm/i915: Define WD trancoder for i915
drm/i915: Enabling WD Transcoder
drivers/gpu/drm/i915/Makefile | 2 +
drivers/gpu/drm/i915/display/intel_acpi.c | 1
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