[PATCH] drm/amdgpu: Remove some useless code

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Signed-off-by: Emily.Deng <Emily.Deng@xxxxxxx>
Change-Id: I1a14dcc6f2d5395b2c385f4f290494ce7de108b4
---
 drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c            |  5 -----
 drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c             |  5 -----
 drivers/gpu/drm/amd/amdgpu/psp_gfx_if.h             | 13 -------------
 .../gpu/drm/amd/pm/powerplay/smumgr/smu9_smumgr.c   |  7 -------
 4 files changed, 30 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c
index b882ac59879a..0905d6397972 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c
@@ -153,11 +153,6 @@ static void gfxhub_v2_0_init_system_aperture_regs(struct amdgpu_device *adev)
 	uint64_t value;
 
 	if (!amdgpu_sriov_vf(adev)) {
-		/*
-		 * the new L1 policy will block SRIOV guest from writing
-		 * these regs, and they will be programed at host.
-		 * so skip programing these regs.
-		 */
 		/* Disable AGP. */
 		WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_BASE, 0);
 		WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_TOP, 0);
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c
index 2d88278c50bf..5241fa991248 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c
@@ -201,11 +201,6 @@ static void mmhub_v2_0_init_system_aperture_regs(struct amdgpu_device *adev)
 	WREG32_SOC15(MMHUB, 0, mmMMMC_VM_AGP_BOT, 0x00FFFFFF);
 
 	if (!amdgpu_sriov_vf(adev)) {
-		/*
-		 * the new L1 policy will block SRIOV guest from writing
-		 * these regs, and they will be programed at host.
-		 * so skip programing these regs.
-		 */
 		/* Program the system aperture low logical page number. */
 		WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_LOW_ADDR,
 			     adev->gmc.vram_start >> 18);
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_gfx_if.h b/drivers/gpu/drm/amd/amdgpu/psp_gfx_if.h
index cbc04a5c0fe1..1ef2f5b1d828 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_gfx_if.h
+++ b/drivers/gpu/drm/amd/amdgpu/psp_gfx_if.h
@@ -83,19 +83,6 @@ struct psp_gfx_ctrl
 */
 #define GFX_FLAG_RESPONSE               0x80000000
 
-/* Gbr IH registers ID */
-enum ih_reg_id {
-	IH_RB		= 0,		// IH_RB_CNTL
-	IH_RB_RNG1	= 1,		// IH_RB_CNTL_RING1
-	IH_RB_RNG2	= 2,		// IH_RB_CNTL_RING2
-};
-
-/* Command to setup Gibraltar IH register */
-struct psp_gfx_cmd_gbr_ih_reg {
-	uint32_t		reg_value;	/* Value to be set to the IH_RB_CNTL... register*/
-	enum ih_reg_id		reg_id;		/* ID of the register */
-};
-
 /* TEE Gfx Command IDs for the ring buffer interface. */
 enum psp_gfx_cmd_id
 {
diff --git a/drivers/gpu/drm/amd/pm/powerplay/smumgr/smu9_smumgr.c b/drivers/gpu/drm/amd/pm/powerplay/smumgr/smu9_smumgr.c
index adfbcbe5d113..8a9aee85043e 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/smu9_smumgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/smu9_smumgr.c
@@ -61,9 +61,6 @@ static uint32_t smu9_wait_for_response(struct pp_hwmgr *hwmgr)
 	uint32_t reg;
 	uint32_t ret;
 
-	/* Due to the L1 policy problem under SRIOV, we have to use
-	 * mmMP1_SMN_C2PMSG_103 as the driver response register
-	 */
 	if (hwmgr->pp_one_vf) {
 		reg = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_103);
 
@@ -148,10 +145,6 @@ int smu9_send_msg_to_smc_with_parameter(struct pp_hwmgr *hwmgr,
 
 	smu9_wait_for_response(hwmgr);
 
-	/* Due to the L1 policy problem under SRIOV, we have to use
-	 * mmMP1_SMN_C2PMSG_101 as the driver message register and
-	 * mmMP1_SMN_C2PMSG_102 as the driver parameter register.
-	 */
 	if (hwmgr->pp_one_vf) {
 		WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_103, 0);
 		WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_102, parameter);
-- 
2.25.1

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