Commit 11baa497 authored by Yihan Zhu's avatar Yihan Zhu Committed by Alex Deucher
Browse files

drm/amd/display: Fix RMCM programming seq errors 



[WHY & HOW]
Fix RMCM programming sequence errors and mapping issues to pass the RMCM
test.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarDmytro Laktyushkin <dmytro.laktyushkin@amd.com>
Signed-off-by: default avatarYihan Zhu <Yihan.Zhu@amd.com>
Signed-off-by: default avatarAlex Hung <alex.hung@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 0ae0b670

drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c

+4 −1
Original line number Diff line number Diff line
@@ -4685,7 +4685,10 @@ static void calculate_tdlut_setting( 
	//the tdlut is fetched during the 2 row times of prefetch.

	if (p->setup_for_tdlut) {

		*p->tdlut_groups_per_2row_ub = (unsigned int)math_ceil2((double) *p->tdlut_bytes_per_frame / *p->tdlut_bytes_per_group, 1);

		if (*p->tdlut_bytes_per_frame > p->cursor_buffer_size * 1024)

			*p->tdlut_opt_time = (*p->tdlut_bytes_per_frame - p->cursor_buffer_size * 1024) / tdlut_drain_rate;

		else

			*p->tdlut_opt_time = 0;

		*p->tdlut_drain_time = p->cursor_buffer_size * 1024 / tdlut_drain_rate;

		*p->tdlut_bytes_to_deliver = (unsigned int) (p->cursor_buffer_size * 1024.0);

	}