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authorEryk Brol <eryk.brol@amd.com>2020-08-27 16:57:14 -0400
committerAlex Deucher <alexander.deucher@amd.com>2020-09-15 17:52:42 -0400
commit28b2f656d3ae27e85a3ac312876d1f3114a2463d (patch)
tree51ae4f54c28b4f3d745a0471a8e7a58a2c5b61de /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
parent918698d5c2b50433714d2042f55b55b090faa167 (diff)
drm/amd/display: Calculate DSC number of slices in debugfs when forced
[why] When comparing current DSC timing settings with enforced through debugfs we have to calculate number of both vertical and horisontal slices. So instead of doing that every time we should just use number of slices rather than setting its dimensions. [how] In connector's dsc preferred settings structure change slice height and slice width parameters to number of slices vertical and horisontal. Also calculate number of slices in debugfs rather in create_stream_for_sink. Signed-off-by: Eryk Brol <eryk.brol@amd.com> Signed-off-by: Mikita Lipski <mikita.lipski@amd.com> Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
index 240a4fc403df..9be2f291382d 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -1447,7 +1447,12 @@ static ssize_t dp_dsc_slice_width_write(struct file *f, const char __user *buf,
if (!pipe_ctx || !pipe_ctx->stream)
goto done;
- aconnector->dsc_settings.dsc_slice_width = param[0];
+ if (param[0] > 0)
+ aconnector->dsc_settings.dsc_num_slices_h = DIV_ROUND_UP(
+ pipe_ctx->stream->timing.h_addressable,
+ param[0]);
+ else
+ aconnector->dsc_settings.dsc_num_slices_h = 0;
done:
kfree(wr_buf);
@@ -1596,7 +1601,12 @@ static ssize_t dp_dsc_slice_height_write(struct file *f, const char __user *buf,
if (!pipe_ctx || !pipe_ctx->stream)
goto done;
- aconnector->dsc_settings.dsc_slice_height = param[0];
+ if (param[0] > 0)
+ aconnector->dsc_settings.dsc_num_slices_v = DIV_ROUND_UP(
+ pipe_ctx->stream->timing.v_addressable,
+ param[0]);
+ else
+ aconnector->dsc_settings.dsc_num_slices_v = 0;
done:
kfree(wr_buf);