[PATCH 2/4] drm/amd/powerplay: Remove obsolete code of reduced refresh rate featur

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this feature was not supported on linux and obsolete.

Change-Id: I7434e9370e4a29489bff7feb1421e028710fbe14
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
 drivers/gpu/drm/amd/include/pptable.h                 |  6 ------
 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c | 18 ------------------
 drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c      |  1 -
 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c    |  1 -
 drivers/gpu/drm/amd/powerplay/inc/power_state.h       |  4 ----
 5 files changed, 30 deletions(-)

diff --git a/drivers/gpu/drm/amd/include/pptable.h b/drivers/gpu/drm/amd/include/pptable.h
index 0b6a057..1dda72a 100644
--- a/drivers/gpu/drm/amd/include/pptable.h
+++ b/drivers/gpu/drm/amd/include/pptable.h
@@ -285,12 +285,6 @@
 #define ATOM_PPLIB_PCIE_LINK_WIDTH_MASK            0x000000F8
 #define ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT           3
 
-// lookup into reduced refresh-rate table
-#define ATOM_PPLIB_LIMITED_REFRESHRATE_VALUE_MASK  0x00000F00
-#define ATOM_PPLIB_LIMITED_REFRESHRATE_VALUE_SHIFT 8
-
-#define ATOM_PPLIB_LIMITED_REFRESHRATE_UNLIMITED    0
-#define ATOM_PPLIB_LIMITED_REFRESHRATE_50HZ         1
 // 2-15 TBD as needed.
 
 #define ATOM_PPLIB_SOFTWARE_DISABLE_LOADBALANCING        0x00001000
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c
index 707809b..f974832 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c
@@ -680,7 +680,6 @@ static int init_non_clock_fields(struct pp_hwmgr *hwmgr,
 							    uint8_t version,
 			 const ATOM_PPLIB_NONCLOCK_INFO *pnon_clock_info)
 {
-	unsigned long rrr_index;
 	unsigned long tmp;
 
 	ps->classification.ui_label = (le16_to_cpu(pnon_clock_info->usClassification) &
@@ -709,23 +708,6 @@ static int init_non_clock_fields(struct pp_hwmgr *hwmgr,
 
 	ps->display.disableFrameModulation = false;
 
-	rrr_index = (le32_to_cpu(pnon_clock_info->ulCapsAndSettings) &
-			ATOM_PPLIB_LIMITED_REFRESHRATE_VALUE_MASK) >>
-			ATOM_PPLIB_LIMITED_REFRESHRATE_VALUE_SHIFT;
-
-	if (rrr_index != ATOM_PPLIB_LIMITED_REFRESHRATE_UNLIMITED) {
-		static const uint8_t look_up[(ATOM_PPLIB_LIMITED_REFRESHRATE_VALUE_MASK >> ATOM_PPLIB_LIMITED_REFRESHRATE_VALUE_SHIFT) + 1] = \
-								{ 0, 50, 0 };
-
-		ps->display.refreshrateSource = PP_RefreshrateSource_Explicit;
-		ps->display.explicitRefreshrate = look_up[rrr_index];
-		ps->display.limitRefreshrate = true;
-
-		if (ps->display.explicitRefreshrate == 0)
-			ps->display.limitRefreshrate = false;
-	} else
-		ps->display.limitRefreshrate = false;
-
 	tmp = le32_to_cpu(pnon_clock_info->ulCapsAndSettings) &
 		ATOM_PPLIB_ENABLE_VARIBRIGHT;
 
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index 736f193..27bd1a0 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -2990,7 +2990,6 @@ static int smu7_get_pp_table_entry_callback_func_v1(struct pp_hwmgr *hwmgr,
 	power_state->pcie.lanes = 0;
 
 	power_state->display.disableFrameModulation = false;
-	power_state->display.limitRefreshrate = false;
 	power_state->display.enableVariBright =
 			(0 != (le32_to_cpu(state_entry->ulCapsAndSettings) &
 					ATOM_Tonga_ENABLE_VARIBRIGHT));
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index 29e44c3..f20758f 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -3021,7 +3021,6 @@ static int vega10_get_pp_table_entry_callback_func(struct pp_hwmgr *hwmgr,
 					ATOM_Vega10_DISALLOW_ON_DC) != 0);
 
 	power_state->display.disableFrameModulation = false;
-	power_state->display.limitRefreshrate = false;
 	power_state->display.enableVariBright =
 			((le32_to_cpu(state_entry->ulCapsAndSettings) &
 					ATOM_Vega10_ENABLE_VARIBRIGHT) != 0);
diff --git a/drivers/gpu/drm/amd/powerplay/inc/power_state.h b/drivers/gpu/drm/amd/powerplay/inc/power_state.h
index 827860f..44069f7 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/power_state.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/power_state.h
@@ -98,10 +98,6 @@ enum PP_RefreshrateSource {
 
 struct PP_StateDisplayBlock {
 	bool              disableFrameModulation;
-	bool              limitRefreshrate;
-	enum PP_RefreshrateSource refreshrateSource;
-	int                  explicitRefreshrate;
-	int                  edidRefreshrateIndex;
 	bool              enableVariBright;
 };
 
-- 
1.9.1



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