drm/amd/pm: fix the pp_dpm_pcie issue on smu v14.0.2/3

Kenneth Feng · alexdeucher · commit 7a0982523cf3 · 2024-09-10T17:23:18.000-04:00
fix the pp_dpm_pcie issue on smu v14.0.2/3 as below: 0: 2.5GT/s, x4 250Mhz 1: 8.0GT/s, x4 616Mhz * 2: 8.0GT/s, x4 1143Mhz * the middle level can be removed since it is always skipped on smu v14.0.2/3 Signed-off-by: Kenneth Feng <kenneth.feng@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit fedf6db)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_2_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_2_ppt.c
@@ -683,6 +683,9 @@ static int smu_v14_0_2_set_default_dpm_table(struct smu_context *smu)
 		pcie_table->clk_freq[pcie_table->num_of_link_levels] =
 					skutable->LclkFreq[link_level];
 		pcie_table->num_of_link_levels++;
+
+		if (link_level == 0)
+			link_level++;
 	}
 
 	/* dcefclk dpm table setup */

Original file line number	Diff line number	Diff line change
`@@ -683,6 +683,9 @@ static int smu_v14_0_2_set_default_dpm_table(struct smu_context *smu)`
`683`	`683`	`pcie_table->clk_freq[pcie_table->num_of_link_levels] =`
`684`	`684`	`skutable->LclkFreq[link_level];`
`685`	`685`	`pcie_table->num_of_link_levels++;`
	`686`	`+`
	`687`	`+ if (link_level == 0)`
	`688`	`+ link_level++;`
`686`	`689`	`}`
`687`	`690`
`688`	`691`	`/* dcefclk dpm table setup */`