linux.git/drivers/gpu/drm/amd/display/dc/spl, branch v6.14 Linux kernel source tree drm/amd/display: Clean up SPL code 2025-01-06T19:44:28+00:00 Samson Tam Samson.Tam@amd.com 2024-12-12T22:38:15+00:00 41c18333d4b72d7eebf113b976c65a6af39a180e [Why & How] Use helper functions for checking formats Apply cositing offset in rotation case Reviewed-by: Navid Assadian <navid.assadian@amd.com> Signed-off-by: Samson Tam <Samson.Tam@amd.com> Signed-off-by: Roman Li <roman.li@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[Why & How]
Use helper functions for checking formats
Apply cositing offset in rotation case

Reviewed-by: Navid Assadian <navid.assadian@amd.com>
Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: fix init_adj offset for cositing in SPL 2025-01-06T19:44:27+00:00 Samson Tam Samson.Tam@amd.com 2024-12-10T20:32:17+00:00 de5d7a8802eac4e22ed95d2d959907ebc4aad3ac [Why & How] init_adj offset is applied when cosited not interstitial Adjust cositing offset in SPL Reviewed-by: Jun Lei <jun.lei@amd.com> Signed-off-by: Samson Tam <Samson.Tam@amd.com> Signed-off-by: Roman Li <roman.li@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[Why & How]
init_adj offset is applied when cosited not interstitial
Adjust cositing offset in SPL

Reviewed-by: Jun Lei <jun.lei@amd.com>
Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: clean up SPL code 2024-12-10T15:31:58+00:00 Samson Tam Samson.Tam@amd.com 2024-11-22T18:48:54+00:00 7b4340576ef2bb1f28959fd8bc72d850752e61d5 [Why & How] Add check for invalid pixel format, remove unused pixel formats and clean up some names Reviewed-by: Navid Assadian <navid.assadian@amd.com> Signed-off-by: Samson Tam <Samson.Tam@amd.com> Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[Why & How]
Add check for invalid pixel format, remove unused pixel formats
and clean up some names

Reviewed-by: Navid Assadian <navid.assadian@amd.com>
Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: fix v tap calculation for non-adaptive scaling in SPL 2024-12-10T15:26:49+00:00 Samson Tam Samson.Tam@amd.com 2024-11-20T06:05:58+00:00 257b42dcdf40998650ebd67d00c0d4f43b1cc195 [Why & How] v and h tap calculations slightly different Use h tap calculation for both v and h tap Reviewed-by: Navid Assadian <navid.assadian@amd.com> Signed-off-by: Samson Tam <Samson.Tam@amd.com> Signed-off-by: Fangzhi Zuo <jerry.zuo@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[Why & How]
v and h tap calculations slightly different
Use h tap calculation for both v and h tap

Reviewed-by: Navid Assadian <navid.assadian@amd.com>
Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Signed-off-by: Fangzhi Zuo <jerry.zuo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: Add support for custom recout_width in SPL 2024-12-10T15:26:48+00:00 Samson Tam Samson.Tam@amd.com 2024-11-14T08:10:05+00:00 b0720473e2727b9f26c407c2fcd80a004c2528a3 [WHY] Add support for custom recout_width for mpc combine in SPL [HOW] 1. Rename mpc_combine_h and mpc_combine_v 2. Add flag use_recout_width_aligned to use custom recout_width 3. Create union to use either mpc_num_h_slices or mpc_recout_width_align Reviewed-by: Navid Assadian <navid.assadian@amd.com> Signed-off-by: Samson Tam <Samson.Tam@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[WHY]
Add support for custom recout_width for mpc combine in SPL

[HOW]
1. Rename mpc_combine_h and mpc_combine_v
2. Add flag use_recout_width_aligned to use custom recout_width
3. Create union to use either mpc_num_h_slices or mpc_recout_width_align

Reviewed-by: Navid Assadian <navid.assadian@amd.com>
Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: Enable EASF based on luma taps only 2024-12-10T15:26:48+00:00 Samson Tam Samson.Tam@amd.com 2024-11-12T17:14:55+00:00 18509133862cc7d6e2cf6d186b870c97d1b04411 [WHY] EASF only applies to luma. Previously both luma and chroma taps were checked to determine whether to enable EASF. [HOW] Only check if luma taps are supported before determining whether to enable EASF or not. Reviewed-by: Alvin Lee <alvin.lee2@amd.com> Signed-off-by: Samson Tam <Samson.Tam@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[WHY]
EASF only applies to luma. Previously both luma and chroma taps
were checked to determine whether to enable EASF.

[HOW]
Only check if luma taps are supported before determining whether
to enable EASF or not.

Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: allow chroma 1:1 scaling when sharpness is off 2024-11-20T14:41:16+00:00 Samson Tam Samson.Tam@amd.com 2024-11-08T00:05:03+00:00 1df1d452d24fc8ff05d0a8567a3dbc8def8981b3 [Why] SPL code forces taps to 1 when ratio is 1:1 and sharpness is off But for chroma 1:1, need taps > 1 to handle cositing [How] Do not force chroma taps to 1 when ratio is 1:1 for YUV420 Remove 420_CHROMA_BYPASS mode for scaler Reviewed-by: Navid Assadian <navid.assadian@amd.com> Signed-off-by: Samson Tam <Samson.Tam@amd.com> Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[Why]
SPL code forces taps to 1 when ratio is 1:1 and sharpness is off
But for chroma 1:1, need taps > 1 to handle cositing

[How]
Do not force chroma taps to 1 when ratio is 1:1 for YUV420
Remove 420_CHROMA_BYPASS mode for scaler

Reviewed-by: Navid Assadian <navid.assadian@amd.com>
Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: add public taps API in SPL 2024-11-20T14:39:51+00:00 Samson Tam Samson.Tam@amd.com 2024-11-05T15:15:19+00:00 e0179588d6eeb74eb87981c07a405524a1f0a677 [Why] Add public API to obtain number of taps in SPL. [How] Isolate function to calculate recout, ratios and viewport before calculating taps. Call function in both public taps API call and private scaling call. Reviewed-by: Jun Lei <jun.lei@amd.com> Signed-off-by: Samson Tam <Samson.Tam@amd.com> Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[Why]
Add public API to obtain number of taps in SPL.

[How]
Isolate function to calculate recout, ratios and viewport before
calculating taps. Call function in both public taps API call and private
scaling call.

Reviewed-by: Jun Lei <jun.lei@amd.com>
Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: Update SPL Taps Required For Integer Scaling 2024-11-08T16:45:30+00:00 Austin Zheng Austin.Zheng@amd.com 2024-10-31T18:10:39+00:00 bc0429283802546f7d13184f1f9e6a6bab9834a3 Number of taps is incorrectly being set when integer scaling is enabled. Taps required when src_rect != dst_rect previously not considered. Perform the calculations when integer scaling is enabled. Set taps to 1 if the scaling ratio is 1:1. Reviewed-by: Samson Tam <samson.tam@amd.com> Signed-off-by: Austin Zheng <Austin.Zheng@amd.com> Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Number of taps is incorrectly being set when integer scaling is enabled.
Taps required when src_rect != dst_rect previously not considered.
Perform the calculations when integer scaling is enabled.
Set taps to 1 if the scaling ratio is 1:1.

Reviewed-by: Samson Tam <samson.tam@amd.com>
Signed-off-by: Austin Zheng <Austin.Zheng@amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: SPL cleanup 2024-11-04T16:36:40+00:00 Samson Tam Samson.Tam@amd.com 2024-10-25T15:28:33+00:00 820a84edd4c8224d2397fc9637dda41224755b25 [Why & How] Move from pointer to callback to reference callback directly Missed renaming fixpt functions with spl prefix Reviewed-by: Navid Assadian <Navid.Assadian@amd.com> Signed-off-by: Samson Tam <Samson.Tam@amd.com> Signed-off-by: Zaeem Mohamed <zaeem.mohamed@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[Why & How]
Move from pointer to callback to reference callback directly
Missed renaming fixpt functions with spl prefix

Reviewed-by: Navid Assadian <Navid.Assadian@amd.com>
Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Signed-off-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>