drm/amd/display: Add vline IRQ programming for DCN

Signed-off-by: SivapiriyanKumarasamy <sivapiriyan.kumarasamy@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
SivapiriyanKumarasamy 2018-03-14 09:15:24 -04:00 committed by Alex Deucher
parent e09b6473c6
commit 6e5b3587db
6 changed files with 110 additions and 0 deletions

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@ -1375,6 +1375,12 @@ static void commit_planes_for_stream(struct dc *dc,
pipe_ctx->stream_res.abm->funcs->set_abm_level(
pipe_ctx->stream_res.abm, stream->abm_level);
}
if (stream_update && stream_update->periodic_fn_vsync_delta &&
pipe_ctx->stream_res.tg->funcs->program_vline_interrupt)
pipe_ctx->stream_res.tg->funcs->program_vline_interrupt(
pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing,
pipe_ctx->stream->periodic_fn_vsync_delta);
}
}

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@ -70,6 +70,9 @@ struct dc_stream_state {
enum color_transfer_func output_tf;
bool ignore_msa_timing_param;
unsigned long long periodic_fn_vsync_delta;
/* TODO: custom INFO packets */
/* TODO: ABM info (DMCU) */
/* PSR info */
@ -113,6 +116,7 @@ struct dc_stream_update {
struct dc_hdr_static_metadata *hdr_static_metadata;
enum color_transfer_func color_output_tf;
unsigned int *abm_level;
unsigned long long *periodic_fn_vsync_delta;
};
bool dc_is_stream_unchanged(

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@ -93,6 +93,81 @@ static void optc1_disable_stereo(struct timing_generator *optc)
OTG_3D_STRUCTURE_STEREO_SEL_OVR, 0);
}
static uint32_t get_start_vline(struct timing_generator *optc, const struct dc_crtc_timing *dc_crtc_timing)
{
struct dc_crtc_timing patched_crtc_timing;
uint32_t vesa_sync_start;
uint32_t asic_blank_end;
uint32_t interlace_factor;
uint32_t vertical_line_start;
patched_crtc_timing = *dc_crtc_timing;
optc1_apply_front_porch_workaround(optc, &patched_crtc_timing);
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;
interlace_factor = patched_crtc_timing.flags.INTERLACE ? 2 : 1;
vesa_sync_start = patched_crtc_timing.v_addressable +
patched_crtc_timing.v_border_bottom +
patched_crtc_timing.v_front_porch;
asic_blank_end = (patched_crtc_timing.v_total -
vesa_sync_start -
patched_crtc_timing.v_border_top)
* interlace_factor;
vertical_line_start = asic_blank_end - optc->dlg_otg_param.vstartup_start + 1;
if (vertical_line_start < 0) {
ASSERT(0);
vertical_line_start = 0;
}
return vertical_line_start;
}
void optc1_program_vline_interrupt(
struct timing_generator *optc,
const struct dc_crtc_timing *dc_crtc_timing,
unsigned long long vsync_delta)
{
struct optc *optc1 = DCN10TG_FROM_TG(optc);
unsigned long long req_delta_tens_of_usec = div64_u64((vsync_delta + 9999), 10000);
unsigned long long pix_clk_hundreds_khz = div64_u64((dc_crtc_timing->pix_clk_khz + 99), 100);
uint32_t req_delta_lines = (uint32_t) div64_u64(
(req_delta_tens_of_usec * pix_clk_hundreds_khz + dc_crtc_timing->h_total - 1),
dc_crtc_timing->h_total);
uint32_t vsync_line = get_start_vline(optc, dc_crtc_timing);
uint32_t start_line = 0;
uint32_t endLine = 0;
if (req_delta_lines != 0)
req_delta_lines--;
if (req_delta_lines > vsync_line)
start_line = dc_crtc_timing->v_total - (req_delta_lines - vsync_line) - 1;
else
start_line = vsync_line - req_delta_lines;
endLine = start_line + 2;
if (endLine >= dc_crtc_timing->v_total)
endLine = 2;
REG_SET_2(OTG_VERTICAL_INTERRUPT0_POSITION, 0,
OTG_VERTICAL_INTERRUPT0_LINE_START, start_line,
OTG_VERTICAL_INTERRUPT0_LINE_END, endLine);
}
/**
* program_timing_generator used by mode timing set
* Program CRTC Timing Registers - OTG_H_*, OTG_V_*, Pixel repetition.
@ -1215,6 +1290,7 @@ static bool optc1_is_optc_underflow_occurred(struct timing_generator *optc)
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_global_sync = optc1_program_global_sync,
.enable_crtc = optc1_enable_crtc,
.disable_crtc = optc1_disable_crtc,

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@ -65,6 +65,8 @@
SRI(OTG_NOM_VERT_POSITION, OTG, inst),\
SRI(OTG_BLACK_COLOR, OTG, inst),\
SRI(OTG_CLOCK_CONTROL, OTG, inst),\
SRI(OTG_VERTICAL_INTERRUPT0_CONTROL, OTG, inst),\
SRI(OTG_VERTICAL_INTERRUPT0_POSITION, OTG, inst),\
SRI(OTG_VERTICAL_INTERRUPT2_CONTROL, OTG, inst),\
SRI(OTG_VERTICAL_INTERRUPT2_POSITION, OTG, inst),\
SRI(OPTC_INPUT_CLOCK_CONTROL, ODM, inst),\
@ -124,6 +126,8 @@ struct dcn_optc_registers {
uint32_t OTG_TEST_PATTERN_CONTROL;
uint32_t OTG_TEST_PATTERN_COLOR;
uint32_t OTG_CLOCK_CONTROL;
uint32_t OTG_VERTICAL_INTERRUPT0_CONTROL;
uint32_t OTG_VERTICAL_INTERRUPT0_POSITION;
uint32_t OTG_VERTICAL_INTERRUPT2_CONTROL;
uint32_t OTG_VERTICAL_INTERRUPT2_POSITION;
uint32_t OPTC_INPUT_CLOCK_CONTROL;
@ -206,6 +210,9 @@ struct dcn_optc_registers {
SF(OTG0_OTG_CLOCK_CONTROL, OTG_CLOCK_EN, mask_sh),\
SF(OTG0_OTG_CLOCK_CONTROL, OTG_CLOCK_ON, mask_sh),\
SF(OTG0_OTG_CLOCK_CONTROL, OTG_CLOCK_GATE_DIS, mask_sh),\
SF(OTG0_OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_INT_ENABLE, mask_sh),\
SF(OTG0_OTG_VERTICAL_INTERRUPT0_POSITION, OTG_VERTICAL_INTERRUPT0_LINE_START, mask_sh),\
SF(OTG0_OTG_VERTICAL_INTERRUPT0_POSITION, OTG_VERTICAL_INTERRUPT0_LINE_END, mask_sh),\
SF(OTG0_OTG_VERTICAL_INTERRUPT2_CONTROL, OTG_VERTICAL_INTERRUPT2_INT_ENABLE, mask_sh),\
SF(OTG0_OTG_VERTICAL_INTERRUPT2_POSITION, OTG_VERTICAL_INTERRUPT2_LINE_START, mask_sh),\
SF(ODM0_OPTC_INPUT_CLOCK_CONTROL, OPTC_INPUT_CLK_EN, mask_sh),\
@ -323,6 +330,9 @@ struct dcn_optc_registers {
type OTG_CLOCK_EN;\
type OTG_CLOCK_ON;\
type OTG_CLOCK_GATE_DIS;\
type OTG_VERTICAL_INTERRUPT0_INT_ENABLE;\
type OTG_VERTICAL_INTERRUPT0_LINE_START;\
type OTG_VERTICAL_INTERRUPT0_LINE_END;\
type OTG_VERTICAL_INTERRUPT2_INT_ENABLE;\
type OTG_VERTICAL_INTERRUPT2_LINE_START;\
type OPTC_INPUT_CLK_EN;\
@ -420,6 +430,10 @@ void optc1_program_timing(
const struct dc_crtc_timing *dc_crtc_timing,
bool use_vbios);
void optc1_program_vline_interrupt(struct timing_generator *optc,
const struct dc_crtc_timing *dc_crtc_timing,
unsigned long long vsync_delta);
void optc1_program_global_sync(
struct timing_generator *optc);

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@ -140,6 +140,9 @@ struct timing_generator_funcs {
void (*program_timing)(struct timing_generator *tg,
const struct dc_crtc_timing *timing,
bool use_vbios);
void (*program_vline_interrupt)(struct timing_generator *optc,
const struct dc_crtc_timing *dc_crtc_timing,
unsigned long long vsync_delta);
bool (*enable_crtc)(struct timing_generator *tg);
bool (*disable_crtc)(struct timing_generator *tg);
bool (*is_counter_moving)(struct timing_generator *tg);

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@ -135,6 +135,13 @@ enum dc_irq_source {
DC_IRQ_SOURCE_VBLANK5,
DC_IRQ_SOURCE_VBLANK6,
DC_IRQ_SOURCE_DC1_VLINE0,
DC_IRQ_SOURCE_DC2_VLINE0,
DC_IRQ_SOURCE_DC3_VLINE0,
DC_IRQ_SOURCE_DC4_VLINE0,
DC_IRQ_SOURCE_DC5_VLINE0,
DC_IRQ_SOURCE_DC6_VLINE0,
DAL_IRQ_SOURCES_NUMBER
};