diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c | 45 |
1 files changed, 23 insertions, 22 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c index 54626682bab2..7c138615f17d 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c @@ -87,9 +87,8 @@ static void optc1_disable_stereo(struct timing_generator *optc) REG_SET(OTG_STEREO_CONTROL, 0, OTG_STEREO_EN, 0); - REG_SET_3(OTG_3D_STRUCTURE_CONTROL, 0, + REG_SET_2(OTG_3D_STRUCTURE_CONTROL, 0, OTG_3D_STRUCTURE_EN, 0, - OTG_3D_STRUCTURE_V_UPDATE_MODE, 0, OTG_3D_STRUCTURE_STEREO_SEL_OVR, 0); } @@ -274,10 +273,12 @@ void optc1_program_timing( * program the reg for interrupt postition. */ vertical_line_start = asic_blank_end - optc->dlg_otg_param.vstartup_start + 1; - if (vertical_line_start < 0) { - ASSERT(0); + v_fp2 = 0; + if (vertical_line_start < 0) + v_fp2 = -vertical_line_start; + if (vertical_line_start < 0) vertical_line_start = 0; - } + REG_SET(OTG_VERTICAL_INTERRUPT2_POSITION, 0, OTG_VERTICAL_INTERRUPT2_LINE_START, vertical_line_start); @@ -296,9 +297,6 @@ void optc1_program_timing( if (patched_crtc_timing.flags.INTERLACE == 1) field_num = 1; } - v_fp2 = 0; - if (optc->dlg_otg_param.vstartup_start > asic_blank_end) - v_fp2 = optc->dlg_otg_param.vstartup_start > asic_blank_end; /* Interlace */ if (patched_crtc_timing.flags.INTERLACE == 1) { @@ -337,9 +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); @@ -362,20 +359,19 @@ void optc1_set_blank_data_double_buffer(struct timing_generator *optc, bool enab static void optc1_unblank_crtc(struct timing_generator *optc) { struct optc *optc1 = DCN10TG_FROM_TG(optc); - uint32_t vertical_interrupt_enable = 0; - - REG_GET(OTG_VERTICAL_INTERRUPT2_CONTROL, - OTG_VERTICAL_INTERRUPT2_INT_ENABLE, &vertical_interrupt_enable); - - /* temporary work around for vertical interrupt, once vertical interrupt enabled, - * this check will be removed. - */ - if (vertical_interrupt_enable) - optc1_set_blank_data_double_buffer(optc, true); REG_UPDATE_2(OTG_BLANK_CONTROL, OTG_BLANK_DATA_EN, 0, OTG_BLANK_DE_MODE, 0); + + /* W/A for automated testing + * Automated testing will fail underflow test as there + * sporadic underflows which occur during the optc blank + * sequence. As a w/a, clear underflow on unblank. + * This prevents the failure, but will not mask actual + * underflow that affect real use cases. + */ + optc1_clear_optc_underflow(optc); } /** @@ -1155,9 +1151,8 @@ static void optc1_enable_stereo(struct timing_generator *optc, OTG_DISABLE_STEREOSYNC_OUTPUT_FOR_DP, 1); if (flags->PROGRAM_STEREO) - REG_UPDATE_3(OTG_3D_STRUCTURE_CONTROL, + REG_UPDATE_2(OTG_3D_STRUCTURE_CONTROL, OTG_3D_STRUCTURE_EN, flags->FRAME_PACKED, - OTG_3D_STRUCTURE_V_UPDATE_MODE, flags->FRAME_PACKED, OTG_3D_STRUCTURE_STEREO_SEL_OVR, flags->FRAME_PACKED); } @@ -1425,3 +1420,9 @@ 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; +} + |