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drm/amd/display: Add hblank borrowing support

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[WHY]
Some DSC timing failed at bandwidth validation due to hactive
can't be evenly divided on each ODM segment.

[HOW]
Borrow from hblank to increase hactive to support these timing.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Chris Park <chris.park@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>
This commit is contained in:
Chris Park
2024-11-15 15:44:52 -05:00
committed by Alex Deucher
parent a29997b7ac
commit 0c0a19430b
9 changed files with 75 additions and 7 deletions
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2
drivers/gpu/drm/amd/display/dc/dc_spl_translate.c
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@@ -120,7 +120,7 @@ void translate_SPL_in_params_from_pipe_ctx(struct pipe_ctx *pipe_ctx, struct spl
spl_in->odm_slice_index = resource_get_odm_slice_index(pipe_ctx);
// Make spl input basic out info output_size width point to stream h active
spl_in->basic_out.output_size.width =
stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right;
stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right + pipe_ctx->hblank_borrow;
// Make spl input basic out info output_size height point to v active
spl_in->basic_out.output_size.height =
stream->timing.v_addressable + stream->timing.v_border_bottom + stream->timing.v_border_top;