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drm/amd/display: Consolidate two-pixels-per-container check

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[why]
The condition to check for two pixels per containter has become rather
long and is used in number of places.

[how]
Move the check to a helper function.

Signed-off-by: Nikola Cornij <nikola.cornij@amd.com>
Reviewed-by: Eric Bernstein <Eric.Bernstein@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nikola Cornij 2018-10-25 17:02:42 -04:00 committed by Alex Deucher
parent 08e1c28dd5
commit 6263f0fd06
2 changed files with 9 additions and 2 deletions
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9
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
View File

@ -335,9 +335,8 @@ void optc1_program_timing(
/* Enable stereo - only when we need to pack 3D frame. Other types
* of stereo handled in explicit call
*/
h_div_2 = (dc_crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420) ?
1 : 0;
h_div_2 = optc1_is_two_pixels_per_containter(&patched_crtc_timing);
REG_UPDATE(OTG_H_TIMING_CNTL,
OTG_H_TIMING_DIV_BY2, h_div_2);
@ -1422,3 +1421,9 @@ void dcn10_timing_generator_init(struct optc *optc1)
optc1->min_h_sync_width = 8;
optc1->min_v_sync_width = 1;
}
bool optc1_is_two_pixels_per_containter(const struct dc_crtc_timing *timing)
{
return timing->pixel_encoding == PIXEL_ENCODING_YCBCR420;
}

2
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h
View File

@ -565,4 +565,6 @@ bool optc1_configure_crc(struct timing_generator *optc,
bool optc1_get_crc(struct timing_generator *optc,
uint32_t *r_cr, uint32_t *g_y, uint32_t *b_cb);
bool optc1_is_two_pixels_per_containter(const struct dc_crtc_timing *timing);
#endif /* __DC_TIMING_GENERATOR_DCN10_H__ */