Correct the math for slice_last_group_size so that it matches the
calculations downstream.
Fixes: c110cfd1753e ("drm/msm/disp/dpu1: Add support for DSC")
Reviewed-by: Dmitry Baryshkov
Reviewed-by: Marijn Suijten
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/disp/dpu1/dpu_hw
From: Dmitry Baryshkov
Use new DRM DSC helpers to setup DSI DSC configuration. The
initial_scale_value needs to be adjusted according to the standard, but
this is a separate change.
Signed-off-by: Dmitry Baryshkov
Reviewed-by: Abhinav Kumar
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm
g_setup()
- *_calculate_initial_scale_value --> *_set_initial_scale_value
- Picked up Fixes tags for patches 3/5 and 4/5
- Picked up Reviewed-by for patch 4/5
- Link to v1:
https://lore.kernel.org/r/20230329-rfc-msm-dsc-helper-v1-0-f3e479f59...@quicinc.com
---
Dmitry Baryshkov (2):
drm/display/dsc: add
Use MSM and DRM DSC helper methods to configure DSC for DSI.
Reviewed-by: Dmitry Baryshkov
Reviewed-by: Marijn Suijten
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 7 ---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/msm/dsi
Add helpers to calculate det_thresh_flatness and initial_scale_value as
these calculations are defined within the DSC spec.
Signed-off-by: Jessica Zhang
Signed-off-by: Dmitry Baryshkov
Reviewed-by: Marijn Suijten
Signed-off-by: Jessica Zhang
---
include/drm/display/drm_dsc_helper.h | 11
From: Dmitry Baryshkov
Add a helper setting config values which are typically constant across
operating modes (table E-4 of the standard) and mux_word_size (which is
a const according to 3.5.2).
Signed-off-by: Dmitry Baryshkov
Reviewed-by: Marijn Suijten
Signed-off-by: Jessica Zhang
On 5/9/2023 11:29 PM, Marijn Suijten wrote:
On 2023-05-09 15:06:48, Jessica Zhang wrote:
From: Dmitry Baryshkov
Add a helper setting config values which are typically constant across
operating modes (table E-4 of the standard) and mux_word_size (which is
a const according to 3.5.2
On 5/9/2023 11:33 PM, Marijn Suijten wrote:
On 2023-05-09 15:06:50, Jessica Zhang wrote:
Introduce MSM-specific DSC helper methods, as some calculations are
common between DP and DSC.
Reviewed-by: Dmitry Baryshkov
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/Makefile
hdisplay for compressed images should be calculated as bytes_per_slice *
slice_count. Thus, use MSM DSC helper to calculate hdisplay for
dsi_timing_setup instead of directly using mode->hdisplay.
Reviewed-by: Dmitry Baryshkov
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/dsi/dsi_hos
From: Dmitry Baryshkov
Add a helper setting config values which are typically constant across
operating modes (table E-4 of the standard) and mux_word_size (which is
a const according to 3.5.2).
Signed-off-by: Dmitry Baryshkov
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/display
eviewed-by: Dmitry Baryshkov
Reviewed-by: Marijn Suijten
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c
b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_d
Use MSM and DRM DSC helper methods to configure DSC for DSI.
Signed-off-by: Jessica Zhang
Reviewed-by: Dmitry Baryshkov
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 7 ---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c
b/drivers/gpu/drm/msm
Correct the math for slice_last_group_size so that it matches the
calculations downstream.
Fixes: c110cfd1753e ("drm/msm/disp/dpu1: Add support for DSC")
Reviewed-by: Dmitry Baryshkov
Reviewed-by: Marijn Suijten
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/disp/dpu1/dpu_hw
in
dsi_timing_setup()
- *_calculate_initial_scale_value --> *_set_initial_scale_value
- Picked up Fixes tags for patches 3/5 and 4/5
- Picked up Reviewed-by for patch 4/5
- Link to v1:
https://lore.kernel.org/r/20230329-rfc-msm-dsc-helper-v1-0-f3e479f59...@quicinc.com
---
Dmitry Baryshkov (
Add helpers to calculate det_thresh_flatness and initial_scale_value as
these calculations are defined within the DSC spec.
Signed-off-by: Dmitry Baryshkov
Signed-off-by: Jessica Zhang
---
include/drm/display/drm_dsc_helper.h | 11 +++
1 file changed, 11 insertions(+)
diff --git a
From: Dmitry Baryshkov
Use new DRM DSC helpers to setup DSI DSC configuration. The
initial_scale_value needs to be adjusted according to the standard, but
this is a separate change.
Signed-off-by: Dmitry Baryshkov
Reviewed-by: Abhinav Kumar
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm
Introduce MSM-specific DSC helper methods, as some calculations are
common between DP and DSC.
Reviewed-by: Dmitry Baryshkov
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/Makefile | 1 +
drivers/gpu/drm/msm/msm_dsc_helper.c | 26 ++
drivers/gpu/drm/msm
, Dmitry Baryshkov wrote:
On 03/05/2023 04:19, Jessica Zhang wrote:
Currently, word count is calculated using slice_count. This is
incorrect
as downstream uses slice per packet, which is different from
slice_count.
Slice count represents the number of soft slices per interface,
and its
value will
On 5/7/2023 11:34 AM, Marijn Suijten wrote:
On 2023-05-07 17:27:33, Marijn Suijten wrote:
On 2023-05-04 15:05:15, Abhinav Kumar wrote:
On 5/4/2023 2:56 PM, Marijn Suijten wrote:
On 2023-04-12 16:25:20, Jessica Zhang wrote:
hdisplay for compressed images should be calculated as
On 5/8/2023 2:46 PM, Marijn Suijten wrote:
On 2023-04-12 16:25:20, Jessica Zhang wrote:
hdisplay for compressed images should be calculated as bytes_per_slice *
slice_count. Thus, use MSM DSC helper to calculate hdisplay for
dsi_timing_setup instead of directly using mode->hdisplay.
T
On 5/8/2023 4:17 PM, Jessica Zhang wrote:
On 5/7/2023 9:06 AM, Marijn Suijten wrote:
On 2023-05-05 14:23:51, Jessica Zhang wrote:
Add a DPU INTF op to set DATA_COMPRESS register for command mode
panels if
the DPU_INTF_DATA_COMPRESS feature flag is set. This flag needs to be
enabled in
On 5/7/2023 9:06 AM, Marijn Suijten wrote:
On 2023-05-05 14:23:51, Jessica Zhang wrote:
Add a DPU INTF op to set DATA_COMPRESS register for command mode panels if
the DPU_INTF_DATA_COMPRESS feature flag is set. This flag needs to be
enabled in order for DSC v1.2 to work.
Note: These changes
On 5/7/2023 9:00 AM, Marijn Suijten wrote:
On 2023-05-05 14:23:50, Jessica Zhang wrote:
Add DATA_COMPRESS feature flag to DPU INTF block.
In DPU 7.x and later, DSC/DCE enablement registers have been moved from
PINGPONG to INTF.
As core_rev (and related macros) was removed from the dpu_kms
art of DSC model 20161212.
Signed-off-by: Dmitry Baryshkov
I checked these pre-SCR values against DSC model 20161212 and they look
good to me.
Reviewed-by: Jessica Zhang
---
drivers/gpu/drm/display/drm_dsc_helper.c | 72
1 file changed, 72 insertions(+)
di
On 5/5/2023 2:23 PM, Jessica Zhang wrote:
Adjust the pclk rate to divide hdisplay by the compression ratio when DSC
is enabled.
Changes in v2:
- Adjusted pclk_rate math to divide only the hdisplay value by
compression ratio
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/dsi
Adjust the pclk rate to divide hdisplay by the compression ratio when DSC
is enabled.
Changes in v2:
- Adjusted pclk_rate math to divide only the hdisplay value by
compression ratio
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 17 +
1 file changed, 13
for DP.
Changes in v2:
- Fixed whitespace issue in macro definition
- Read INTF_CONFIG2 before writing to DATA_COMPRESS bit
- Only set dpu_hw_intf_ops.data_compress if DATA_COMPRESS feature is set
- Removed `inline` from dpu_hw_intf_enable_compression declaration
Signed-off-by: Jessica Zhang
e" in TODO comment
Fixes: bc6b6ff8135c ("drm/msm/dsi: Use DSC slice(s) packet size to compute word
count")
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 9 -
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/dsi/dsi_
es/116789/
[2] https://patchwork.freedesktop.org/series/115833/
Signed-off-by: Jessica Zhang
---
Changes in v2:
- Changed pclk math to only divide hdisplay by compression ratio
- Reworded word count TODO comment
- Make DATA_COMPRESS an INTF flag
- Read INTF_CFG2 before setting DATA_COMRPESS regist
have a feature flag.
Changes in v2:
- Changed has_data_compress dpu_cap to a DATA_COMPRESS INTF feature flag
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 2 +-
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 2 ++
2 files changed, 3 insertions(+), 1 deletion
On 5/4/2023 2:17 PM, Marijn Suijten wrote:
On 2023-05-04 22:33:17, Marijn Suijten wrote:
Title suggestion: use the wording "reduce pclk rate" :)
(Eventually "when DSC is enabled", instead of "for compression")
On 2023-05-02 18:19:12, Jessica Zhang wrote
On 5/4/2023 2:56 PM, Marijn Suijten wrote:
On 2023-04-12 16:25:20, Jessica Zhang wrote:
hdisplay for compressed images should be calculated as bytes_per_slice *
slice_count. Thus, use MSM DSC helper to calculate hdisplay for
dsi_timing_setup instead of directly using mode->hdisplay.
Chan
list of series -- I'm planning to post the
r66451 panel driver + dts changes next week after I post the v2 of DSI
for DSC v1.2.
Thanks,
Jessica Zhang
In other words, let's take it slow and do things properly this time.
And
who knows, perhaps the rest of these patches are mo
On 5/3/2023 4:00 PM, Marijn Suijten wrote:
Hi Jessica,
On 2023-05-03 12:04:59, Jessica Zhang wrote:
On 5/3/2023 12:28 AM, Marijn Suijten wrote:
On 2023-05-02 18:19:15, Jessica Zhang wrote:
Add a dpu_hw_intf op to enable data compression.
Signed-off-by: Jessica Zhang
---
drivers/gpu
On 5/3/2023 4:03 PM, Marijn Suijten wrote:
Hi Jessica,
On 2023-05-03 12:03:40, Jessica Zhang wrote:
On 5/3/2023 12:07 AM, Marijn Suijten wrote:
On 2023-05-02 18:19:14, Jessica Zhang wrote:
Add data_compress feature to DPU HW catalog.
In DPU 7.x and later, there is a DATA_COMPRESS
On 5/3/2023 12:51 PM, Dmitry Baryshkov wrote:
On 03/05/2023 22:04, Jessica Zhang wrote:
On 5/3/2023 12:28 AM, Marijn Suijten wrote:
On 2023-05-02 18:19:15, Jessica Zhang wrote:
Add a dpu_hw_intf op to enable data compression.
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/disp
On 5/3/2023 12:28 AM, Marijn Suijten wrote:
On 2023-05-02 18:19:15, Jessica Zhang wrote:
Add a dpu_hw_intf op to enable data compression.
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c | 4
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
On 5/3/2023 12:07 AM, Marijn Suijten wrote:
On 2023-05-02 18:19:14, Jessica Zhang wrote:
Add data_compress feature to DPU HW catalog.
In DPU 7.x and later, there is a DATA_COMPRESS register that must be set
within the DPU INTF block for DSC to work.
As core_rev (and related macros) was
On 5/3/2023 1:26 AM, Dmitry Baryshkov wrote:
On 03/05/2023 04:19, Jessica Zhang wrote:
Currently, word count is calculated using slice_count. This is incorrect
as downstream uses slice per packet, which is different from
slice_count.
Slice count represents the number of soft slices per
On 5/3/2023 1:33 AM, Dmitry Baryshkov wrote:
On 03/05/2023 04:19, Jessica Zhang wrote:
Divide the pclk rate by the compression ratio when DSC is enabled
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 14 ++
1 file changed, 10 insertions(+), 4 deletions
ze to compute word
count")
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 9 -
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c
b/drivers/gpu/drm/msm/dsi/dsi_host.c
index 35c69dbe5f6f..b0d448ffb078 100644
--- a/drive
below), DSC v1.2 should work over
DSI.
Depends-on: "add DSC 1.2 dpu supports" [1]
[1] https://patchwork.freedesktop.org/series/116789/
Signed-off-by: Jessica Zhang
---
Jessica Zhang (4):
drm/msm/dsi: Adjust pclk rate for compression
drm/msm/dsi: Fix compressed word count c
Add a dpu_hw_intf op to enable data compression.
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c | 4
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c | 7 +++
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.h | 2 ++
3 files changed, 13
register would be
to have a flag in dpu_caps.
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_0_sm8350.h | 1 +
drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h | 1 +
drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_0_sc8280xp.h | 1 +
drivers/gpu/drm/msm/disp/dpu1
Divide the pclk rate by the compression ratio when DSC is enabled
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 14 ++
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c
b/drivers/gpu/drm/msm/dsi/dsi_host.c
at the beginning of
dsi_timing_setup as to not break dual DSI calculations
Changes in v4:
- Moved pclk_per_intf calculations to DSC hdisplay adjustments
Signed-off-by: Jessica Zhang
Reviewed-by: Dmitry Baryshkov
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 2 +-
1 file changed, 1 insertion(+)
it eol_byte_num and pkt_per_line calculation into a separate patch
- Moved pclk_per_line calculation into `if (dsc)` block in
dsi_timing_setup()
- Link to v1:
https://lore.kernel.org/r/20230329-rfc-msm-dsc-helper-v1-0-f3e479f59...@quicinc.com
---
Dmitry Baryshkov (1):
drm/msm/dsi: use new helpers fo
Correct the math for slice_last_group_size so that it matches the
calculations downstream.
Changes in v3:
- Reworded slice_last_group_size calculation to
`(dsc->slice_width + 2) % 3`
Fixes: c110cfd1753e ("drm/msm/disp/dpu1: Add support for DSC")
Signed-off-by: Jessica Zhang
caused by drm_fixed.h being included before
linux/kernel.h
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/Makefile | 1 +
drivers/gpu/drm/msm/msm_dsc_helper.c | 26
drivers/gpu/drm/msm/msm_dsc_helper.h | 81
3 files changed, 108 i
specifies one slice per packet.
Fixes: 08802f515c3c ("drm/msm/dsi: Add support for DSC configuration")
Signed-off-by: Jessica Zhang
Reviewed-by: Dmitry Baryshkov
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/d
of dsi_update_dsc_timing()
Changes in v3:
- Split pclk_per_intf calculation into a separate patch
- Added slice_width check to dsi_timing_setup
- Used MSM DSC helper to calculate total_bytes_per_intf
Changes in v5:
- Split slice_width check into a separate patch
Signed-off-by: Jessica Zhang
Reviewed
Use the DRM DSC helper for det_thresh_flatness to match downstream
implementation and the DSC spec.
Changes in V2:
- Added a Fixes tag
Fixes: c110cfd1753e ("drm/msm/disp/dpu1: Add support for DSC")
Signed-off-by: Jessica Zhang
Reviewed-by: Dmitry Baryshkov
---
drivers/gpu/drm/msm
From: Dmitry Baryshkov
Use new DRM DSC helpers to setup DSI DSC configuration. The
initial_scale_value needs to be adjusted according to the standard, but
this is a separate change.
Signed-off-by: Dmitry Baryshkov
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 61
On 4/12/2023 12:16 PM, Dmitry Baryshkov wrote:
On 12/04/2023 22:09, Jessica Zhang wrote:
Introduce MSM-specific DSC helper methods, as some calculations are
common between DP and DSC.
Changes in v2:
- Moved files up to msm/ directory
- Dropped get_comp_ratio() helper
- Used drm_int2fixp
On 4/12/2023 12:10 PM, Dmitry Baryshkov wrote:
On 12/04/2023 22:09, Jessica Zhang wrote:
From: Dmitry Baryshkov
Use new DRM DSC helpers to setup DSI DSC configuration. The
initial_scale_value needs to be adjusted according to the standard, but
this is a separate change.
Signed-off-by
specifies one slice per packet.
Fixes: 08802f515c3c ("drm/msm/dsi: Add support for DSC configuration")
Signed-off-by: Jessica Zhang
Reviewed-by: Dmitry Baryshkov
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/d
at the beginning of
dsi_timing_setup as to not break dual DSI calculations
Changes in v4:
- Moved pclk_per_intf calculations to DSC hdisplay adjustments
Signed-off-by: Jessica Zhang
Reviewed-by: Dmitry Baryshkov
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 2 +-
1 file changed, 1 insertion(+)
of dsi_update_dsc_timing()
Changes in v3:
- Split pclk_per_intf calculation into a separate patch
- Added slice_width check to dsi_timing_setup
- Used MSM DSC helper to calculate total_bytes_per_intf
Changes in v5:
- Split slice_width check into a separate patch
Signed-off-by: Jessica Zhang
---
drivers/
From: Dmitry Baryshkov
Use new DRM DSC helpers to setup DSI DSC configuration. The
initial_scale_value needs to be adjusted according to the standard, but
this is a separate change.
Signed-off-by: Dmitry Baryshkov
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 61 +---
Use the DRM DSC helper for det_thresh_flatness to match downstream
implementation and the DSC spec.
Changes in V2:
- Added a Fixes tag
Fixes: c110cfd1753e ("drm/msm/disp/dpu1: Add support for DSC")
Signed-off-by: Jessica Zhang
Reviewed-by: Dmitry Baryshkov
---
drivers/gpu/drm/msm
Add a check for valid dsc->slice_width value in dsi_timing_setup.
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 6 ++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c
b/drivers/gpu/drm/msm/dsi/dsi_host.c
index 508577c59
Correct the math for slice_last_group_size so that it matches the
calculations downstream.
Changes in v3:
- Reworded slice_last_group_size calculation to
`(dsc->slice_width + 2) % 3`
Fixes: c110cfd1753e ("drm/msm/disp/dpu1: Add support for DSC")
Signed-off-by: Jessica Zhang
_per_intf
Changes in v5:
- Added extra line at end of msm_dsc_helper.h
- Simplified msm_dsc_get_bytes_per_soft_slice() math
- Simplified and inlined msm_dsc_get_pclk_per_intf() math
- Removed unused headers
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/Makefile | 1 +
drivers/gp
v1-0-f3e479f59...@quicinc.com
---
Dmitry Baryshkov (1):
drm/msm/dsi: use new helpers for DSC setup
Jessica Zhang (7):
drm/msm: Add MSM-specific DSC helper methods
drm/msm/dpu: Use DRM DSC helper for det_thresh_flatness
drm/msm/dpu: Fix slice_last_group_size calculation
On 4/5/2023 12:26 PM, Dmitry Baryshkov wrote:
On 05/04/2023 03:41, Jessica Zhang wrote:
Introduce MSM-specific DSC helper methods, as some calculations are
common between DP and DSC.
Changes in v2:
- Moved files up to msm/ directory
- Dropped get_comp_ratio() helper
- Used drm_int2fixp() to
On 4/5/2023 12:27 PM, Dmitry Baryshkov wrote:
On 05/04/2023 03:41, Jessica Zhang wrote:
Use MSM and DRM DSC helper methods to configure DSC for DSI.
Changes in V2:
- *_calculate_initial_scale_value --> *_set_initial_scale_value
- Split pkt_per_line and eol_byte_num changes to a separ
at the beginning of
dsi_timing_setup as to not break dual DSI calculations
Changes in v4:
- Moved pclk_per_intf calculations to DSC hdisplay adjustments
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/driv
culation into `if (dsc)` block in
dsi_timing_setup()
- Link to v1:
https://lore.kernel.org/r/20230329-rfc-msm-dsc-helper-v1-0-f3e479f59...@quicinc.com
---
Jessica Zhang (6):
drm/msm: Add MSM-specific DSC helper methods
drm/msm/dpu: Use DRM DSC helper for det_thresh_flatness
drm/m
Use the DRM DSC helper for det_thresh_flatness to match downstream
implementation and the DSC spec.
Changes in V2:
- Added a Fixes tag
Fixes: c110cfd1753e ("drm/msm/disp/dpu1: Add support for DSC")
Signed-off-by: Jessica Zhang
Reviewed-by: Dmitry Baryshkov
---
drivers/gpu/drm/msm
of dsi_update_dsc_timing()
Changes in v3:
- Split pclk_per_intf calculation into a separate patch
- Added slice_width check to dsi_timing_setup
- Used MSM DSC helper to calculate total_bytes_per_intf
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 13 ++---
1 file changed,
specifies one slice per packet.
Fixes: 08802f515c3c ("drm/msm/dsi: Add support for DSC configuration")
Signed-off-by: Jessica Zhang
Reviewed-by: Dmitry Baryshkov
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/d
Correct the math for slice_last_group_size so that it matches the
calculations downstream.
Changes in v3:
- Reworded slice_last_group_size calculation to
`(dsc->slice_width + 2) % 3`
Fixes: c110cfd1753e ("drm/msm/disp/dpu1: Add support for DSC")
Signed-off-by: Jessica Zhang
---
_per_intf
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/Makefile | 1 +
drivers/gpu/drm/msm/msm_dsc_helper.c | 47
drivers/gpu/drm/msm/msm_dsc_helper.h | 70
3 files changed, 118 insertions(+)
diff --git a/drivers/gpu/drm/msm
at the beginning of
dsi_timing_setup as to not break dual DSI calculations
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c
b/drivers/gpu/drm/msm/dsi/dsi_host.c
index 6a6218a96
specifies one slice per packet.
Fixes: 08802f515c3c ("drm/msm/dsi: Add support for DSC configuration")
Signed-off-by: Jessica Zhang
Reviewed-by: Dmitry Baryshkov
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/d
Correct the math for slice_last_group_size so that it matches the
calculations downstream.
Changes in v3:
- Reworded slice_last_group_size calculation to
`(dsc->slice_width + 2) % 3`
Fixes: c110cfd1753e ("drm/msm/disp/dpu1: Add support for DSC")
Signed-off-by: Jessica Zhang
---
be called
later to help calculate DP pclk params)
- Added documentation in comments
- Moved extra_eol_bytes math out of msm_dsc_get_eol_byte_num() and
renamed msm_dsc_get_eol_byte_num to *_get_bytes_per_intf.
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/Makefile | 1 +
drivers/gp
of dsi_update_dsc_timing()
Changes in v3:
- Split pclk_per_intf calculation into a separate patch
- Added slice_width check to dsi_timing_setup
- Used MSM DSC helper to calculate total_bytes_per_intf
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 13 ++---
1 file changed,
pclk_per_line calculation into `if (dsc)` block in
dsi_timing_setup()
- Link to v1:
https://lore.kernel.org/r/20230329-rfc-msm-dsc-helper-v1-0-f3e479f59...@quicinc.com
---
Jessica Zhang (6):
drm/msm: Add MSM-specific DSC helper methods
drm/msm/dpu: Use DRM DSC helper for det_thresh_f
Use the DRM DSC helper for det_thresh_flatness to match downstream
implementation and the DSC spec.
Changes in V2:
- Added a Fixes tag
Fixes: c110cfd1753e ("drm/msm/disp/dpu1: Add support for DSC")
Signed-off-by: Jessica Zhang
Reviewed-by: Dmitry Baryshkov
---
drivers/gpu/drm/msm
On 4/3/2023 5:33 PM, Dmitry Baryshkov wrote:
On 04/04/2023 00:38, Jessica Zhang wrote:
On 4/2/2023 4:21 AM, Dmitry Baryshkov wrote:
On 31/03/2023 21:49, Jessica Zhang wrote:
Introduce MSM-specific DSC helper methods, as some calculations are
common between DP and DSC.
Changes in v2
On 4/3/2023 5:33 PM, Dmitry Baryshkov wrote:
On 04/04/2023 00:38, Jessica Zhang wrote:
On 4/2/2023 4:21 AM, Dmitry Baryshkov wrote:
On 31/03/2023 21:49, Jessica Zhang wrote:
Introduce MSM-specific DSC helper methods, as some calculations are
common between DP and DSC.
Changes in v2
On 4/3/2023 2:51 PM, Dmitry Baryshkov wrote:
On 04/04/2023 00:45, Jessica Zhang wrote:
On 4/2/2023 4:27 AM, Dmitry Baryshkov wrote:
On 31/03/2023 21:49, Jessica Zhang wrote:
Correct the math for slice_last_group_size so that it matches the
calculations downstream.
Fixes: c110cfd1753e
On 4/2/2023 4:29 AM, Dmitry Baryshkov wrote:
On 31/03/2023 21:49, Jessica Zhang wrote:
Use MSM and DRM DSC helper methods to configure DSC for DSI.
Changes in V2:
- *_calculate_initial_scale_value --> *_set_initial_scale_value
- Split pkt_per_line and eol_byte_num changes to a separ
On 4/2/2023 4:27 AM, Dmitry Baryshkov wrote:
On 31/03/2023 21:49, Jessica Zhang wrote:
Correct the math for slice_last_group_size so that it matches the
calculations downstream.
Fixes: c110cfd1753e ("drm/msm/disp/dpu1: Add support for DSC")
Signed-off-by: Jessica Zhang
Reviewed-
On 4/2/2023 4:21 AM, Dmitry Baryshkov wrote:
On 31/03/2023 21:49, Jessica Zhang wrote:
Introduce MSM-specific DSC helper methods, as some calculations are
common between DP and DSC.
Changes in v2:
- Moved files up to msm/ directory
- Dropped get_comp_ratio() helper
- Used drm_int2fixp() to
t;drm/msm/dsi: Add support for DSC configuration")
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 10 ++
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c
b/drivers/gpu/drm/msm/dsi/dsi_host.c
index b7ab81737473..61
of dsi_update_dsc_timing()
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 11 ---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c
b/drivers/gpu/drm/msm/dsi/dsi_host.c
index 74d38f90398a..b7ab81737473 100644
--- a/drivers/gpu/
passing in incorrect types to
drm_fixed methods in get_bytes_per_soft_slice()
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/Makefile | 1 +
drivers/gpu/drm/msm/msm_dsc_helper.c | 53
drivers/gpu/drm/msm/msm_dsc_helper.h | 42
Use the DRM DSC helper for det_thresh_flatness to match downstream
implementation and the DSC spec.
Changes in V2:
- Added a Fixes tag
Fixes: c110cfd1753e ("drm/msm/disp/dpu1: Add support for DSC")
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c | 4 ++
e patch
- Moved pclk_per_line calculation into `if (dsc)` block in
dsi_timing_setup()
- Link to v1:
https://lore.kernel.org/r/20230329-rfc-msm-dsc-helper-v1-0-f3e479f59...@quicinc.com
---
Jessica Zhang (6):
drm/display/dsc: Add flatness and initial scale value calculations
drm/msm: Add M
Correct the math for slice_last_group_size so that it matches the
calculations downstream.
Fixes: c110cfd1753e ("drm/msm/disp/dpu1: Add support for DSC")
Signed-off-by: Jessica Zhang
Reviewed-by: Dmitry Baryshkov
---
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c | 6 +-
1 file
Add helpers to calculate det_thresh_flatness and initial_scale_value as
these calculations are defined within the DSC spec.
Changes in v2:
- Renamed det_thresh_flatness to flatness_det_thresh
- Set initial_scale_value directly in helper
Signed-off-by: Jessica Zhang
---
include/drm/display
On 3/30/2023 5:16 PM, Dmitry Baryshkov wrote:
On Fri, 31 Mar 2023 at 03:07, Jessica Zhang wrote:
On 3/30/2023 4:14 PM, Dmitry Baryshkov wrote:
On 31/03/2023 01:49, Jessica Zhang wrote:
On 3/29/2023 4:48 PM, Dmitry Baryshkov wrote:
On 30/03/2023 02:18, Jessica Zhang wrote:
Use MSM
On 3/30/2023 4:14 PM, Dmitry Baryshkov wrote:
On 31/03/2023 01:49, Jessica Zhang wrote:
On 3/29/2023 4:48 PM, Dmitry Baryshkov wrote:
On 30/03/2023 02:18, Jessica Zhang wrote:
Use MSM and DRM DSC helper methods.
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 18
On 3/29/2023 5:40 PM, Dmitry Baryshkov wrote:
On 30/03/2023 02:18, Jessica Zhang wrote:
Introduce MSM-specific DSC helper methods, as some calculations are
common between DP and DSC.
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/Makefile | 1 +
drivers/gpu/drm/msm
On 3/29/2023 4:48 PM, Dmitry Baryshkov wrote:
On 30/03/2023 02:18, Jessica Zhang wrote:
Use MSM and DRM DSC helper methods.
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 18 --
1 file changed, 12 insertions(+), 6 deletions(-)
diff --git a/drivers
On 3/29/2023 4:25 PM, Dmitry Baryshkov wrote:
On 30/03/2023 02:18, Jessica Zhang wrote:
Add helpers to calculate det_thresh_flatness and initial_scale_value as
these calculations are defined within the DSC spec.
Signed-off-by: Jessica Zhang
---
include/drm/display/drm_dsc_helper.h | 10
On 3/29/2023 4:31 PM, Dmitry Baryshkov wrote:
On 30/03/2023 02:18, Jessica Zhang wrote:
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c
b/drivers
Correct the math for slice_last_group_size so that it matches the
calculations downstream.
Signed-off-by: Jessica Zhang
---
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c
b/drivers
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