From: Rex Zhu <Rex.Zhu@amd.com>
Date: Wed, 12 Oct 2016 07:38:56 +0000 (+0800)
Subject: drm/amdgpu: save number of vce states in dpm struct.
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=66ba1afd854211435cc91159a1ededb1d0f04464;p=linux-beck.git

drm/amdgpu: save number of vce states in dpm struct.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
index 4f8d3a5a682f..009ccb961541 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
@@ -553,9 +553,10 @@ int amdgpu_parse_extended_power_table(struct amdgpu_device *adev)
 				entry = (ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *)
 					((u8 *)entry + sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record));
 			}
-			for (i = 0; i < states->numEntries; i++) {
-				if (i >= AMD_MAX_VCE_LEVELS)
-					break;
+			adev->pm.dpm.num_of_vce_states =
+					states->numEntries > AMD_MAX_VCE_LEVELS ?
+					AMD_MAX_VCE_LEVELS : states->numEntries;
+			for (i = 0; i < adev->pm.dpm.num_of_vce_states; i++) {
 				vce_clk = (VCEClockInfo *)
 					((u8 *)&array->entries[0] +
 					 (state_entry->ucVCEClockInfoIndex * sizeof(VCEClockInfo)));
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
index 68dac0c569fd..5097415d2172 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
@@ -387,6 +387,7 @@ struct amdgpu_dpm {
 	/* default uvd power state */
 	struct amdgpu_ps        *uvd_ps;
 	/* vce requirements */
+	u32                  num_of_vce_states;
 	struct amd_vce_state vce_states[AMD_MAX_VCE_LEVELS];
 	enum amd_vce_level vce_level;
 	enum amd_pm_state_type state;
diff --git a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
index dc3196e13256..fa939df942f4 100644
--- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
@@ -5689,7 +5689,7 @@ static int ci_parse_power_table(struct amdgpu_device *adev)
 	adev->pm.dpm.num_ps = state_array->ucNumEntries;
 
 	/* fill in the vce power states */
-	for (i = 0; i < AMD_MAX_VCE_LEVELS; i++) {
+	for (i = 0; i < adev->pm.dpm.num_of_vce_states; i++) {
 		u32 sclk, mclk;
 		clock_array_index = adev->pm.dpm.vce_states[i].clk_idx;
 		clock_info = (union pplib_clock_info *)
diff --git a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
index a03690abe38d..b23f643f6d0f 100644
--- a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
@@ -2796,7 +2796,7 @@ static int kv_parse_power_table(struct amdgpu_device *adev)
 	adev->pm.dpm.num_ps = state_array->ucNumEntries;
 
 	/* fill in the vce power states */
-	for (i = 0; i < AMD_MAX_VCE_LEVELS; i++) {
+	for (i = 0; i < adev->pm.dpm.num_of_vce_states; i++) {
 		u32 sclk;
 		clock_array_index = adev->pm.dpm.vce_states[i].clk_idx;
 		clock_info = (union pplib_clock_info *)
diff --git a/drivers/gpu/drm/amd/amdgpu/si_dpm.c b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
index 15f9ca55bba9..dbfecc29f2a1 100644
--- a/drivers/gpu/drm/amd/amdgpu/si_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
@@ -7320,7 +7320,7 @@ static int si_parse_power_table(struct amdgpu_device *adev)
 	adev->pm.dpm.num_ps = state_array->ucNumEntries;
 
 	/* fill in the vce power states */
-	for (i = 0; i < AMD_MAX_VCE_LEVELS; i++) {
+	for (i = 0; i < adev->pm.dpm.num_of_vce_states; i++) {
 		u32 sclk, mclk;
 		clock_array_index = adev->pm.dpm.vce_states[i].clk_idx;
 		clock_info = (union pplib_clock_info *)