diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce120')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c index d7e787b591a0..95cb1768aeb5 100644 --- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c +++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c @@ -1039,6 +1039,35 @@ void dce120_timing_generator_set_test_pattern( } } +static bool dce120_arm_vert_intr( + struct timing_generator *tg, + uint8_t width) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t vbl, position, vbl_start; + + tg->funcs->get_scanoutpos( + tg, + &vbl, + &position); + + if (vbl == 0) + return false; + + vbl_start = + get_reg_field_value( + vbl, + CRTC0_CRTC_V_BLANK_START_END, + CRTC_V_BLANK_START); + + CRTC_REG_SET_2( + CRTC0_CRTC_VERTICAL_INTERRUPT0_POSITION, + CRTC_VERTICAL_INTERRUPT0_LINE_START, vbl_start, + CRTC_VERTICAL_INTERRUPT0_LINE_END, vbl_start + width); + + return true; +} + static struct timing_generator_funcs dce120_tg_funcs = { .validate_timing = dce120_tg_validate_timing, .program_timing = dce120_tg_program_timing, @@ -1068,7 +1097,8 @@ static struct timing_generator_funcs dce120_tg_funcs = { .enable_advanced_request = dce120_timing_generator_enable_advanced_request, .set_drr = dce120_timing_generator_set_drr, .set_static_screen_control = dce120_timing_generator_set_static_screen_control, - .set_test_pattern = dce120_timing_generator_set_test_pattern + .set_test_pattern = dce120_timing_generator_set_test_pattern, + .arm_vert_intr = dce120_arm_vert_intr, }; |