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drm/amd/display: refactor out programming of vupdate interrupt 

[Why]
More clearly isolate the code that is involved in programming of
vupdate interrupt

[How]
Add function for programming of vupdate interrupt.
Call it after timing is programmed.

Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Acked-by: Tony Cheng <Tony.Cheng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Anthony Koo 2019-01-20 01:13:42 -05:00 committed by Alex Deucher
parent 68f1a00c23
commit a122b62d8a
3 changed files with 48 additions and 11 deletions
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5
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
View File

@ -1341,6 +1341,11 @@ static enum dc_status apply_single_controller_ctx_to_hw(
/* */
dc->hwss.enable_stream_timing(pipe_ctx, context, dc);
if (pipe_ctx->stream_res.tg->funcs->program_vupdate_interrupt)
pipe_ctx->stream_res.tg->funcs->program_vupdate_interrupt(
pipe_ctx->stream_res.tg,
&stream->timing);
if (pipe_ctx->stream->signal != SIGNAL_TYPE_VIRTUAL)
pipe_ctx->stream_res.stream_enc->funcs->dig_connect_to_otg(
pipe_ctx->stream_res.stream_enc,

51
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
View File

@ -186,6 +186,42 @@ void optc1_program_vline_interrupt(
}
}
void optc1_program_vupdate_interrupt(
struct timing_generator *optc,
const struct dc_crtc_timing *dc_crtc_timing)
{
struct optc *optc1 = DCN10TG_FROM_TG(optc);
int32_t vertical_line_start;
uint32_t asic_blank_end;
uint32_t vesa_sync_start;
struct dc_crtc_timing patched_crtc_timing;
patched_crtc_timing = *dc_crtc_timing;
optc1_apply_front_porch_workaround(optc, &patched_crtc_timing);
/* asic_h_blank_end = HsyncWidth + HbackPorch =
* vesa. usHorizontalTotal - vesa. usHorizontalSyncStart -
* vesa.h_left_border
*/
vesa_sync_start = patched_crtc_timing.h_addressable +
patched_crtc_timing.h_border_right +
patched_crtc_timing.h_front_porch;
asic_blank_end = patched_crtc_timing.h_total -
vesa_sync_start -
patched_crtc_timing.h_border_left;
/* Use OTG_VERTICAL_INTERRUPT2 replace VUPDATE interrupt,
* program the reg for interrupt postition.
*/
vertical_line_start = asic_blank_end - optc->dlg_otg_param.vstartup_start + 1;
if (vertical_line_start < 0)
vertical_line_start = 0;
REG_SET(OTG_VERTICAL_INTERRUPT2_POSITION, 0,
OTG_VERTICAL_INTERRUPT2_LINE_START, vertical_line_start);
}
/**
* program_timing_generator used by mode timing set
* Program CRTC Timing Registers - OTG_H_*, OTG_V_*, Pixel repetition.
@ -288,22 +324,14 @@ void optc1_program_timing(
patched_crtc_timing.v_addressable +
patched_crtc_timing.v_border_bottom);
REG_UPDATE_2(OTG_V_BLANK_START_END,
OTG_V_BLANK_START, asic_blank_start,
OTG_V_BLANK_END, asic_blank_end);
/* Use OTG_VERTICAL_INTERRUPT2 replace VUPDATE interrupt,
* program the reg for interrupt postition.
*/
vertical_line_start = asic_blank_end - optc->dlg_otg_param.vstartup_start + 1;
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);
REG_UPDATE_2(OTG_V_BLANK_START_END,
OTG_V_BLANK_START, asic_blank_start,
OTG_V_BLANK_END, asic_blank_end);
/* v_sync polarity */
v_sync_polarity = patched_crtc_timing.flags.VSYNC_POSITIVE_POLARITY ?
@ -1453,6 +1481,7 @@ static const struct timing_generator_funcs dcn10_tg_funcs = {
.validate_timing = optc1_validate_timing,
.program_timing = optc1_program_timing,
.program_vline_interrupt = optc1_program_vline_interrupt,
.program_vupdate_interrupt = optc1_program_vupdate_interrupt,
.program_global_sync = optc1_program_global_sync,
.enable_crtc = optc1_enable_crtc,
.disable_crtc = optc1_disable_crtc,

3
drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h
View File

@ -154,6 +154,9 @@ struct timing_generator_funcs {
const struct dc_crtc_timing *dc_crtc_timing,
enum vline_select vline,
const union vline_config *vline_config);
void (*program_vupdate_interrupt)(struct timing_generator *optc,
const struct dc_crtc_timing *dc_crtc_timing);
bool (*enable_crtc)(struct timing_generator *tg);
bool (*disable_crtc)(struct timing_generator *tg);
bool (*is_counter_moving)(struct timing_generator *tg);