[PATCH] drm/amdgpu: Remove the redundant code of psp bootloader functions

[Zhang, Hawking]

[AMD Official Use Only]

Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>

Feel free to talk with Likun to get a sienna_cichlid board for the testing.

Regards,
Hawking
-----Original Message-----
From: Chai, Thomas <YiPeng.Chai at amd.com> 
Sent: Wednesday, December 8, 2021 18:43
To: amd-gfx at lists.freedesktop.org
Cc: Chai, Thomas <YiPeng.Chai at amd.com>; Zhang, Hawking <Hawking.Zhang at amd.com>; Zhou1, Tao <Tao.Zhou1 at amd.com>; Clements, John <John.Clements at amd.com>; Chai, Thomas <YiPeng.Chai at amd.com>
Subject: [PATCH] drm/amdgpu: Remove the redundant code of psp bootloader functions

The psp bootloader functions code of psp_v13_0.c had been optimized before. According the code style of psp_v13_0.c to remove the redundant code of psp_v11_0.c.

Signed-off-by: yipechai <YiPeng.Chai at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/psp_v11_0.c | 79 ++++++--------------------
 1 file changed, 16 insertions(+), 63 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
index de53ca061d88..a3e6aa17a8f9 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
@@ -284,13 +284,16 @@ static bool psp_v11_0_is_sos_alive(struct psp_context *psp)
 	return sol_reg != 0x0;
 }
 
-static int psp_v11_0_bootloader_load_kdb(struct psp_context *psp)
+static int psp_v11_0_bootloader_load_component(struct psp_context  	*psp,
+					       struct psp_bin_desc 	*bin_desc,
+					       enum psp_bootloader_cmd  bl_cmd)
 {
 	int ret;
 	uint32_t psp_gfxdrv_command_reg = 0;
 	struct amdgpu_device *adev = psp->adev;
+	uint32_t sol_reg;
 
-	/* Check tOS sign of life register to confirm sys driver and sOS
+	/* Check sOS sign of life register to confirm sys driver and sOS
 	 * are already been loaded.
 	 */
 	if (psp_v11_0_is_sos_alive(psp))
@@ -300,13 +303,13 @@ static int psp_v11_0_bootloader_load_kdb(struct psp_context *psp)
 	if (ret)
 		return ret;
 
-	/* Copy PSP KDB binary to memory */
-	psp_copy_fw(psp, psp->kdb.start_addr, psp->kdb.size_bytes);
+	/* Copy PSP System Driver binary to memory */
+	psp_copy_fw(psp, bin_desc->start_addr, bin_desc->size_bytes);
 
-	/* Provide the PSP KDB to bootloader */
+	/* Provide the sys driver to bootloader */
 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
 	       (uint32_t)(psp->fw_pri_mc_addr >> 20));
-	psp_gfxdrv_command_reg = PSP_BL__LOAD_KEY_DATABASE;
+	psp_gfxdrv_command_reg = bl_cmd;
 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
 	       psp_gfxdrv_command_reg);
 
@@ -315,69 +318,19 @@ static int psp_v11_0_bootloader_load_kdb(struct psp_context *psp)
 	return ret;
 }
 
-static int psp_v11_0_bootloader_load_spl(struct psp_context *psp)
+static int psp_v11_0_bootloader_load_kdb(struct psp_context *psp)
 {
-	int ret;
-	uint32_t psp_gfxdrv_command_reg = 0;
-	struct amdgpu_device *adev = psp->adev;
-
-	/* Check tOS sign of life register to confirm sys driver and sOS
-	 * are already been loaded.
-	 */
-	if (psp_v11_0_is_sos_alive(psp))
-		return 0;
-
-	ret = psp_v11_0_wait_for_bootloader(psp);
-	if (ret)
-		return ret;
-
-	/* Copy PSP SPL binary to memory */
-	psp_copy_fw(psp, psp->spl.start_addr, psp->spl.size_bytes);
-
-	/* Provide the PSP SPL to bootloader */
-	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
-	       (uint32_t)(psp->fw_pri_mc_addr >> 20));
-	psp_gfxdrv_command_reg = PSP_BL__LOAD_TOS_SPL_TABLE;
-	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
-	       psp_gfxdrv_command_reg);
-
-	ret = psp_v11_0_wait_for_bootloader(psp);
+	return psp_v11_0_bootloader_load_component(psp, &psp->kdb, 
+PSP_BL__LOAD_KEY_DATABASE); }
 
-	return ret;
+static int psp_v11_0_bootloader_load_spl(struct psp_context *psp) {
+	return psp_v11_0_bootloader_load_component(psp, &psp->kdb, 
+PSP_BL__LOAD_TOS_SPL_TABLE);
 }
 
 static int psp_v11_0_bootloader_load_sysdrv(struct psp_context *psp)  {
-	int ret;
-	uint32_t psp_gfxdrv_command_reg = 0;
-	struct amdgpu_device *adev = psp->adev;
-
-	/* Check sOS sign of life register to confirm sys driver and sOS
-	 * are already been loaded.
-	 */
-	if (psp_v11_0_is_sos_alive(psp))
-		return 0;
-
-	ret = psp_v11_0_wait_for_bootloader(psp);
-	if (ret)
-		return ret;
-
-	/* Copy PSP System Driver binary to memory */
-	psp_copy_fw(psp, psp->sys.start_addr, psp->sys.size_bytes);
-
-	/* Provide the sys driver to bootloader */
-	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
-	       (uint32_t)(psp->fw_pri_mc_addr >> 20));
-	psp_gfxdrv_command_reg = PSP_BL__LOAD_SYSDRV;
-	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
-	       psp_gfxdrv_command_reg);
-
-	/* there might be handshake issue with hardware which needs delay */
-	mdelay(20);
-
-	ret = psp_v11_0_wait_for_bootloader(psp);
-
-	return ret;
+	return psp_v11_0_bootloader_load_component(psp, &psp->kdb, 
+PSP_BL__LOAD_SYSDRV);
 }
 
 static int psp_v11_0_bootloader_load_sos(struct psp_context *psp)
--
2.25.1