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authorAlvin Lee <alvin.lee2@amd.com>2020-04-20 10:45:27 -0400
committerAlex Deucher <alexander.deucher@amd.com>2021-04-09 16:41:36 -0400
commit49c70ece54b0d1c51bc31b2b0c1070777c992c26 (patch)
treee1be66654cbba104bab93243454799d0b5eb3d57 /drivers/gpu/drm/amd/display/modules/freesync/freesync.c
parent8c1f05e2472c1326e61dfb0a6c1d3c668f4616a9 (diff)
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drm/amd/display: Change input parameter for set_drr
[Why] Change set_drr to pass in the entire dc_crtc_timing_adjust structure instead of passing in the parameters individually. This is to more easily pass in required parameters in the adjust structure when it gets updated. Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alvin Lee <alvin.lee2@amd.com> Reviewed-by: Jun Lei <Jun.Lei@amd.com> Acked-by: Solomon Chiu <solomon.chiu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/freesync/freesync.c')
-rw-r--r--drivers/gpu/drm/amd/display/modules/freesync/freesync.c37
1 files changed, 26 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index e5f9d7704a63..4287be79c11a 100644
--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
@@ -118,7 +118,7 @@ static unsigned int calc_duration_in_us_from_v_total(
return duration_in_us;
}
-static unsigned int calc_v_total_from_refresh(
+unsigned int mod_freesync_calc_v_total_from_refresh(
const struct dc_stream_state *stream,
unsigned int refresh_in_uhz)
{
@@ -280,10 +280,10 @@ static void apply_below_the_range(struct core_freesync *core_freesync,
/* Restore FreeSync */
in_out_vrr->adjust.v_total_min =
- calc_v_total_from_refresh(stream,
+ mod_freesync_calc_v_total_from_refresh(stream,
in_out_vrr->max_refresh_in_uhz);
in_out_vrr->adjust.v_total_max =
- calc_v_total_from_refresh(stream,
+ mod_freesync_calc_v_total_from_refresh(stream,
in_out_vrr->min_refresh_in_uhz);
/* BTR set to "active" so engage */
} else {
@@ -442,16 +442,16 @@ static void apply_fixed_refresh(struct core_freesync *core_freesync,
if (update) {
if (in_out_vrr->fixed.fixed_active) {
in_out_vrr->adjust.v_total_min =
- calc_v_total_from_refresh(
+ mod_freesync_calc_v_total_from_refresh(
stream, in_out_vrr->max_refresh_in_uhz);
in_out_vrr->adjust.v_total_max =
in_out_vrr->adjust.v_total_min;
} else {
in_out_vrr->adjust.v_total_min =
- calc_v_total_from_refresh(stream,
+ mod_freesync_calc_v_total_from_refresh(stream,
in_out_vrr->max_refresh_in_uhz);
in_out_vrr->adjust.v_total_max =
- calc_v_total_from_refresh(stream,
+ mod_freesync_calc_v_total_from_refresh(stream,
in_out_vrr->min_refresh_in_uhz);
}
}
@@ -1082,10 +1082,10 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync,
refresh_range >= MIN_REFRESH_RANGE) {
in_out_vrr->adjust.v_total_min =
- calc_v_total_from_refresh(stream,
+ mod_freesync_calc_v_total_from_refresh(stream,
in_out_vrr->max_refresh_in_uhz);
in_out_vrr->adjust.v_total_max =
- calc_v_total_from_refresh(stream,
+ mod_freesync_calc_v_total_from_refresh(stream,
in_out_vrr->min_refresh_in_uhz);
} else if (in_out_vrr->state == VRR_STATE_ACTIVE_FIXED) {
in_out_vrr->fixed.target_refresh_in_uhz =
@@ -1099,7 +1099,7 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync,
} else {
in_out_vrr->fixed.fixed_active = true;
in_out_vrr->adjust.v_total_min =
- calc_v_total_from_refresh(stream,
+ mod_freesync_calc_v_total_from_refresh(stream,
in_out_vrr->fixed.target_refresh_in_uhz);
in_out_vrr->adjust.v_total_max =
in_out_vrr->adjust.v_total_min;
@@ -1206,10 +1206,10 @@ void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync,
/* Restore FreeSync */
if (in_out_vrr->btr.frame_counter == 0) {
in_out_vrr->adjust.v_total_min =
- calc_v_total_from_refresh(stream,
+ mod_freesync_calc_v_total_from_refresh(stream,
in_out_vrr->max_refresh_in_uhz);
in_out_vrr->adjust.v_total_max =
- calc_v_total_from_refresh(stream,
+ mod_freesync_calc_v_total_from_refresh(stream,
in_out_vrr->min_refresh_in_uhz);
}
}
@@ -1267,6 +1267,21 @@ unsigned long long mod_freesync_calc_nominal_field_rate(
return nominal_field_rate_in_uhz;
}
+unsigned long long mod_freesync_calc_field_rate_from_timing(
+ unsigned int vtotal, unsigned int htotal, unsigned int pix_clk)
+{
+ unsigned long long field_rate_in_uhz = 0;
+ unsigned int total = htotal * vtotal;
+
+ /* Calculate nominal field rate for stream, rounded up to nearest integer */
+ field_rate_in_uhz = pix_clk;
+ field_rate_in_uhz *= 1000000ULL;
+
+ field_rate_in_uhz = div_u64(field_rate_in_uhz, total);
+
+ return field_rate_in_uhz;
+}
+
bool mod_freesync_is_valid_range(uint32_t min_refresh_cap_in_uhz,
uint32_t max_refresh_cap_in_uhz,
uint32_t nominal_field_rate_in_uhz)