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path: root/drivers/gpu/drm/amd/display/dc/dml2
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml2')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c1
-rw-r--r--drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_translation_helper.c48
2 files changed, 45 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c b/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c
index d851c081e376..8dabb1ac0b68 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c
@@ -1222,6 +1222,7 @@ static dml_bool_t CalculatePrefetchSchedule(struct display_mode_lib_scratch_st *
s->dst_y_prefetch_oto = s->Tvm_oto_lines + 2 * s->Tr0_oto_lines + s->Lsw_oto;
s->dst_y_prefetch_equ = p->VStartup - (*p->TSetup + dml_max(p->TWait + p->TCalc, *p->Tdmdl)) / s->LineTime - (*p->DSTYAfterScaler + (dml_float_t) *p->DSTXAfterScaler / (dml_float_t)p->myPipe->HTotal);
+ s->dst_y_prefetch_equ = dml_min(s->dst_y_prefetch_equ, 63.75); // limit to the reg limit of U6.2 for DST_Y_PREFETCH
#ifdef __DML_VBA_DEBUG__
dml_print("DML::%s: HTotal = %u\n", __func__, p->myPipe->HTotal);
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_translation_helper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_translation_helper.c
index 138b4b1e42ed..c6a5a8614679 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_translation_helper.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_translation_helper.c
@@ -339,11 +339,22 @@ void dml21_apply_soc_bb_overrides(struct dml2_initialize_instance_in_out *dml_in
// }
}
+static unsigned int calc_max_hardware_v_total(const struct dc_stream_state *stream)
+{
+ unsigned int max_hw_v_total = stream->ctx->dc->caps.max_v_total;
+
+ if (stream->ctx->dc->caps.vtotal_limited_by_fp2) {
+ max_hw_v_total -= stream->timing.v_front_porch + 1;
+ }
+
+ return max_hw_v_total;
+}
+
static void populate_dml21_timing_config_from_stream_state(struct dml2_timing_cfg *timing,
struct dc_stream_state *stream,
struct dml2_context *dml_ctx)
{
- unsigned int hblank_start, vblank_start;
+ unsigned int hblank_start, vblank_start, min_hardware_refresh_in_uhz;
timing->h_active = stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right;
timing->v_active = stream->timing.v_addressable + stream->timing.v_border_bottom + stream->timing.v_border_top;
@@ -371,11 +382,23 @@ static void populate_dml21_timing_config_from_stream_state(struct dml2_timing_cf
- stream->timing.v_border_top - stream->timing.v_border_bottom;
timing->drr_config.enabled = stream->ignore_msa_timing_param;
- timing->drr_config.min_refresh_uhz = stream->timing.min_refresh_in_uhz;
timing->drr_config.drr_active_variable = stream->vrr_active_variable;
timing->drr_config.drr_active_fixed = stream->vrr_active_fixed;
timing->drr_config.disallowed = !stream->allow_freesync;
+ /* limit min refresh rate to DC cap */
+ min_hardware_refresh_in_uhz = stream->timing.min_refresh_in_uhz;
+ if (stream->ctx->dc->caps.max_v_total != 0) {
+ min_hardware_refresh_in_uhz = div64_u64((stream->timing.pix_clk_100hz * 100000000ULL),
+ (stream->timing.h_total * (long long)calc_max_hardware_v_total(stream)));
+ }
+
+ if (stream->timing.min_refresh_in_uhz > min_hardware_refresh_in_uhz) {
+ timing->drr_config.min_refresh_uhz = stream->timing.min_refresh_in_uhz;
+ } else {
+ timing->drr_config.min_refresh_uhz = min_hardware_refresh_in_uhz;
+ }
+
if (dml_ctx->config.callbacks.get_max_flickerless_instant_vtotal_increase &&
stream->ctx->dc->config.enable_fpo_flicker_detection == 1)
timing->drr_config.max_instant_vtotal_delta = dml_ctx->config.callbacks.get_max_flickerless_instant_vtotal_increase(stream, false);
@@ -422,6 +445,21 @@ static void populate_dml21_timing_config_from_stream_state(struct dml2_timing_cf
timing->vblank_nom = timing->v_total - timing->v_active;
}
+/**
+ * adjust_dml21_hblank_timing_config_from_pipe_ctx - Adjusts the horizontal blanking timing configuration
+ * based on the pipe context.
+ * @timing: Pointer to the dml2_timing_cfg structure to be adjusted.
+ * @pipe: Pointer to the pipe_ctx structure containing the horizontal blanking borrow value.
+ *
+ * This function modifies the horizontal active and blank end timings by adding and subtracting
+ * the horizontal blanking borrow value from the pipe context, respectively.
+ */
+static void adjust_dml21_hblank_timing_config_from_pipe_ctx(struct dml2_timing_cfg *timing, struct pipe_ctx *pipe)
+{
+ timing->h_active += pipe->hblank_borrow;
+ timing->h_blank_end -= pipe->hblank_borrow;
+}
+
static void populate_dml21_output_config_from_stream_state(struct dml2_link_output_cfg *output,
struct dc_stream_state *stream, const struct pipe_ctx *pipe)
{
@@ -709,6 +747,7 @@ static const struct scaler_data *get_scaler_data_for_plane(
temp_pipe->plane_state = pipe->plane_state;
temp_pipe->plane_res.scl_data.taps = pipe->plane_res.scl_data.taps;
temp_pipe->stream_res = pipe->stream_res;
+ temp_pipe->hblank_borrow = pipe->hblank_borrow;
dml_ctx->config.callbacks.build_scaling_params(temp_pipe);
break;
}
@@ -973,6 +1012,7 @@ bool dml21_map_dc_state_into_dml_display_cfg(const struct dc *in_dc, struct dc_s
ASSERT(disp_cfg_stream_location >= 0 && disp_cfg_stream_location <= __DML2_WRAPPER_MAX_STREAMS_PLANES__);
populate_dml21_timing_config_from_stream_state(&dml_dispcfg->stream_descriptors[disp_cfg_stream_location].timing, context->streams[stream_index], dml_ctx);
+ adjust_dml21_hblank_timing_config_from_pipe_ctx(&dml_dispcfg->stream_descriptors[disp_cfg_stream_location].timing, &context->res_ctx.pipe_ctx[stream_index]);
populate_dml21_output_config_from_stream_state(&dml_dispcfg->stream_descriptors[disp_cfg_stream_location].output, context->streams[stream_index], &context->res_ctx.pipe_ctx[stream_index]);
populate_dml21_stream_overrides_from_stream_state(&dml_dispcfg->stream_descriptors[disp_cfg_stream_location], context->streams[stream_index]);
@@ -1111,12 +1151,12 @@ void dml21_populate_pipe_ctx_dlg_params(struct dml2_context *dml_ctx, struct dc_
struct dc_crtc_timing *timing = &pipe_ctx->stream->timing;
union dml2_global_sync_programming *global_sync = &stream_programming->global_sync;
- hactive = timing->h_addressable + timing->h_border_left + timing->h_border_right;
+ hactive = timing->h_addressable + timing->h_border_left + timing->h_border_right + pipe_ctx->hblank_borrow;
vactive = timing->v_addressable + timing->v_border_bottom + timing->v_border_top;
hblank_start = pipe_ctx->stream->timing.h_total - pipe_ctx->stream->timing.h_front_porch;
vblank_start = pipe_ctx->stream->timing.v_total - pipe_ctx->stream->timing.v_front_porch;
- hblank_end = hblank_start - timing->h_addressable - timing->h_border_left - timing->h_border_right;
+ hblank_end = hblank_start - timing->h_addressable - timing->h_border_left - timing->h_border_right - pipe_ctx->hblank_borrow;
vblank_end = vblank_start - timing->v_addressable - timing->v_border_top - timing->v_border_bottom;
if (dml_ctx->config.svp_pstate.callbacks.get_pipe_subvp_type(context, pipe_ctx) == SUBVP_PHANTOM) {