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From 0b23d9a3626411e6436c830e26c9b2980f5e9e5f Mon Sep 17 00:00:00 2001
From: Yongqiang Sun <yongqiang.sun@amd.com>
Date: Thu, 24 Jan 2019 15:59:22 -0500
Subject: [PATCH 1219/2940] drm/amd/display: Calc vline position in dc.
We need to calcualte vline position in DC for DCN.
Change-Id: I1632f1d2c597e842f575e0b2979f443ac6d3ffcc
Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 8 +-
drivers/gpu/drm/amd/display/dc/dc_stream.h | 15 ++--
.../gpu/drm/amd/display/dc/dcn10/dcn10_optc.c | 80 ++++++++++++++++++-
.../gpu/drm/amd/display/dc/dcn10/dcn10_optc.h | 6 +-
.../amd/display/dc/inc/hw/timing_generator.h | 8 +-
5 files changed, 97 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index e34ab8185555..7d79b8ed5702 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1572,13 +1572,13 @@ static void commit_planes_do_stream_update(struct dc *dc,
stream_update->adjust->v_total_min,
stream_update->adjust->v_total_max);
- if (stream_update->vline0_config && pipe_ctx->stream_res.tg->funcs->program_vline_interrupt)
+ if (stream_update->periodic_vsync_config && pipe_ctx->stream_res.tg->funcs->program_vline_interrupt)
pipe_ctx->stream_res.tg->funcs->program_vline_interrupt(
- pipe_ctx->stream_res.tg, VLINE0, &stream->vline0_config);
+ pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing, VLINE0, &stream->periodic_vsync_config);
- if (stream_update->vline1_config && pipe_ctx->stream_res.tg->funcs->program_vline_interrupt)
+ if (stream_update->enhanced_sync_config && pipe_ctx->stream_res.tg->funcs->program_vline_interrupt)
pipe_ctx->stream_res.tg->funcs->program_vline_interrupt(
- pipe_ctx->stream_res.tg, VLINE1, &stream->vline1_config);
+ pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing, VLINE1, &stream->enhanced_sync_config);
if ((stream_update->hdr_static_metadata && !stream->use_dynamic_meta) ||
stream_update->vrr_infopacket ||
diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h
index 2d1f2825de09..90f019eb54b3 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h
@@ -51,11 +51,12 @@ struct freesync_context {
bool dummy;
};
-struct vline_config {
- unsigned int start_line;
- unsigned int end_line;
+union vline_config {
+ unsigned int line_number;
+ unsigned long long delta_in_ns;
};
+
struct dc_stream_state {
// sink is deprecated, new code should not reference
// this pointer
@@ -105,8 +106,8 @@ struct dc_stream_state {
/* DMCU info */
unsigned int abm_level;
- struct vline_config vline0_config;
- struct vline_config vline1_config;
+ union vline_config periodic_vsync_config;
+ union vline_config enhanced_sync_config;
/* from core_stream struct */
struct dc_context *ctx;
@@ -155,8 +156,8 @@ struct dc_stream_update {
struct dc_info_packet *hdr_static_metadata;
unsigned int *abm_level;
- struct vline_config *vline0_config;
- struct vline_config *vline1_config;
+ union vline_config *periodic_vsync_config;
+ union vline_config *enhanced_sync_config;
struct dc_crtc_timing_adjust *adjust;
struct dc_info_packet *vrr_infopacket;
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 cefa322df8a6..0355dcb8554a 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
@@ -92,22 +92,94 @@ 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;
+ int vesa_sync_start;
+ int asic_blank_end;
+ int interlace_factor;
+ int 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;
+}
+
+static void calc_vline_position(
+ struct timing_generator *optc,
+ const struct dc_crtc_timing *dc_crtc_timing,
+ unsigned long long vsync_delta,
+ uint32_t *start_line,
+ uint32_t *end_line)
+{
+ 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_100hz + 999), 1000);
+ 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);
+
+ 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;
+
+ *end_line = *start_line + 2;
+
+ if (*end_line >= dc_crtc_timing->v_total)
+ *end_line = 2;
+}
+
void optc1_program_vline_interrupt(
struct timing_generator *optc,
+ const struct dc_crtc_timing *dc_crtc_timing,
enum vline_select vline,
- const struct vline_config *vline_config)
+ const union vline_config *vline_config)
{
struct optc *optc1 = DCN10TG_FROM_TG(optc);
+ uint32_t start_line = 0;
+ uint32_t end_line = 0;
switch (vline) {
case VLINE0:
+ calc_vline_position(optc, dc_crtc_timing, vline_config->delta_in_ns, &start_line, &end_line);
REG_SET_2(OTG_VERTICAL_INTERRUPT0_POSITION, 0,
- OTG_VERTICAL_INTERRUPT0_LINE_START, vline_config->start_line,
- OTG_VERTICAL_INTERRUPT0_LINE_END, vline_config->end_line);
+ OTG_VERTICAL_INTERRUPT0_LINE_START, start_line,
+ OTG_VERTICAL_INTERRUPT0_LINE_END, end_line);
break;
case VLINE1:
REG_SET(OTG_VERTICAL_INTERRUPT1_POSITION, 0,
- OTG_VERTICAL_INTERRUPT1_LINE_START, vline_config->start_line);
+ OTG_VERTICAL_INTERRUPT1_LINE_START, vline_config->line_number);
break;
default:
break;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h
index b34c8a240598..8a4e3e37e894 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h
@@ -483,9 +483,11 @@ void optc1_program_timing(
const struct dc_crtc_timing *dc_crtc_timing,
bool use_vbios);
-void optc1_program_vline_interrupt(struct timing_generator *optc,
+void optc1_program_vline_interrupt(
+ struct timing_generator *optc,
+ const struct dc_crtc_timing *dc_crtc_timing,
enum vline_select vline,
- const struct vline_config *vline_config);
+ const union vline_config *vline_config);
void optc1_program_global_sync(
struct timing_generator *optc);
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h
index d22a406c19c0..39fec0186c10 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h
@@ -134,7 +134,7 @@ struct dc_crtc_timing;
struct drr_params;
-struct vline_config;
+union vline_config;
enum vline_select {
@@ -149,9 +149,11 @@ 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,
+ void (*program_vline_interrupt)(
+ struct timing_generator *optc,
+ const struct dc_crtc_timing *dc_crtc_timing,
enum vline_select vline,
- const struct vline_config *vline_config);
+ const union vline_config *vline_config);
bool (*enable_crtc)(struct timing_generator *tg);
bool (*disable_crtc)(struct timing_generator *tg);
bool (*is_counter_moving)(struct timing_generator *tg);
--
2.17.1
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