Re: [PATCH 1/3] drm/radeon: add support for newer mc ucode on SI

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Am 11.04.2014 16:52, schrieb Alex Deucher:
May fix stability issues with some newer cards.

Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx

Why adding *_mc2.bin for the MC firmware? To distinct if people have the new or the old firmware?

If that's the case I would rather print the firmware size or CRC code somewhere in the logs.

Christian.

---
  drivers/gpu/drm/radeon/radeon_ucode.h |  3 +++
  drivers/gpu/drm/radeon/si.c           | 34 +++++++++++++++++++++-------------
  2 files changed, 24 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_ucode.h b/drivers/gpu/drm/radeon/radeon_ucode.h
index a77cd27..f415548 100644
--- a/drivers/gpu/drm/radeon/radeon_ucode.h
+++ b/drivers/gpu/drm/radeon/radeon_ucode.h
@@ -57,6 +57,9 @@
  #define BTC_MC_UCODE_SIZE            6024
  #define CAYMAN_MC_UCODE_SIZE         6037
  #define SI_MC_UCODE_SIZE             7769
+#define TAHITI_MC_UCODE_SIZE         7808
+#define PITCAIRN_MC_UCODE_SIZE       7775
+#define VERDE_MC_UCODE_SIZE          7875
  #define OLAND_MC_UCODE_SIZE          7863
  #define CIK_MC_UCODE_SIZE            7866
  #define HAWAII_MC_UCODE_SIZE         7933
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index d589475..7675247 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -39,30 +39,35 @@ MODULE_FIRMWARE("radeon/TAHITI_pfp.bin");
  MODULE_FIRMWARE("radeon/TAHITI_me.bin");
  MODULE_FIRMWARE("radeon/TAHITI_ce.bin");
  MODULE_FIRMWARE("radeon/TAHITI_mc.bin");
+MODULE_FIRMWARE("radeon/TAHITI_mc2.bin");
  MODULE_FIRMWARE("radeon/TAHITI_rlc.bin");
  MODULE_FIRMWARE("radeon/TAHITI_smc.bin");
  MODULE_FIRMWARE("radeon/PITCAIRN_pfp.bin");
  MODULE_FIRMWARE("radeon/PITCAIRN_me.bin");
  MODULE_FIRMWARE("radeon/PITCAIRN_ce.bin");
  MODULE_FIRMWARE("radeon/PITCAIRN_mc.bin");
+MODULE_FIRMWARE("radeon/PITCAIRN_mc2.bin");
  MODULE_FIRMWARE("radeon/PITCAIRN_rlc.bin");
  MODULE_FIRMWARE("radeon/PITCAIRN_smc.bin");
  MODULE_FIRMWARE("radeon/VERDE_pfp.bin");
  MODULE_FIRMWARE("radeon/VERDE_me.bin");
  MODULE_FIRMWARE("radeon/VERDE_ce.bin");
  MODULE_FIRMWARE("radeon/VERDE_mc.bin");
+MODULE_FIRMWARE("radeon/VERDE_mc2.bin");
  MODULE_FIRMWARE("radeon/VERDE_rlc.bin");
  MODULE_FIRMWARE("radeon/VERDE_smc.bin");
  MODULE_FIRMWARE("radeon/OLAND_pfp.bin");
  MODULE_FIRMWARE("radeon/OLAND_me.bin");
  MODULE_FIRMWARE("radeon/OLAND_ce.bin");
  MODULE_FIRMWARE("radeon/OLAND_mc.bin");
+MODULE_FIRMWARE("radeon/OLAND_mc2.bin");
  MODULE_FIRMWARE("radeon/OLAND_rlc.bin");
  MODULE_FIRMWARE("radeon/OLAND_smc.bin");
  MODULE_FIRMWARE("radeon/HAINAN_pfp.bin");
  MODULE_FIRMWARE("radeon/HAINAN_me.bin");
  MODULE_FIRMWARE("radeon/HAINAN_ce.bin");
  MODULE_FIRMWARE("radeon/HAINAN_mc.bin");
+MODULE_FIRMWARE("radeon/HAINAN_mc2.bin");
  MODULE_FIRMWARE("radeon/HAINAN_rlc.bin");
  MODULE_FIRMWARE("radeon/HAINAN_smc.bin");
@@ -1467,7 +1472,7 @@ int si_mc_load_microcode(struct radeon_device *rdev)
  	const __be32 *fw_data;
  	u32 running, blackout = 0;
  	u32 *io_mc_regs;
-	int i, ucode_size, regs_size;
+	int i, regs_size, ucode_size = rdev->mc_fw->size / 4;
if (!rdev->mc_fw)
  		return -EINVAL;
@@ -1475,28 +1480,23 @@ int si_mc_load_microcode(struct radeon_device *rdev)
  	switch (rdev->family) {
  	case CHIP_TAHITI:
  		io_mc_regs = (u32 *)&tahiti_io_mc_regs;
-		ucode_size = SI_MC_UCODE_SIZE;
  		regs_size = TAHITI_IO_MC_REGS_SIZE;
  		break;
  	case CHIP_PITCAIRN:
  		io_mc_regs = (u32 *)&pitcairn_io_mc_regs;
-		ucode_size = SI_MC_UCODE_SIZE;
  		regs_size = TAHITI_IO_MC_REGS_SIZE;
  		break;
  	case CHIP_VERDE:
  	default:
  		io_mc_regs = (u32 *)&verde_io_mc_regs;
-		ucode_size = SI_MC_UCODE_SIZE;
  		regs_size = TAHITI_IO_MC_REGS_SIZE;
  		break;
  	case CHIP_OLAND:
  		io_mc_regs = (u32 *)&oland_io_mc_regs;
-		ucode_size = OLAND_MC_UCODE_SIZE;
  		regs_size = TAHITI_IO_MC_REGS_SIZE;
  		break;
  	case CHIP_HAINAN:
  		io_mc_regs = (u32 *)&hainan_io_mc_regs;
-		ucode_size = OLAND_MC_UCODE_SIZE;
  		regs_size = TAHITI_IO_MC_REGS_SIZE;
  		break;
  	}
@@ -1552,7 +1552,7 @@ static int si_init_microcode(struct radeon_device *rdev)
  	const char *chip_name;
  	const char *rlc_chip_name;
  	size_t pfp_req_size, me_req_size, ce_req_size, rlc_req_size, mc_req_size;
-	size_t smc_req_size;
+	size_t smc_req_size, mc2_req_size;
  	char fw_name[30];
  	int err;
@@ -1567,6 +1567,7 @@ static int si_init_microcode(struct radeon_device *rdev)
  		ce_req_size = SI_CE_UCODE_SIZE * 4;
  		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
  		mc_req_size = SI_MC_UCODE_SIZE * 4;
+		mc2_req_size = TAHITI_MC_UCODE_SIZE * 4;
  		smc_req_size = ALIGN(TAHITI_SMC_UCODE_SIZE, 4);
  		break;
  	case CHIP_PITCAIRN:
@@ -1577,6 +1578,7 @@ static int si_init_microcode(struct radeon_device *rdev)
  		ce_req_size = SI_CE_UCODE_SIZE * 4;
  		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
  		mc_req_size = SI_MC_UCODE_SIZE * 4;
+		mc2_req_size = PITCAIRN_MC_UCODE_SIZE * 4;
  		smc_req_size = ALIGN(PITCAIRN_SMC_UCODE_SIZE, 4);
  		break;
  	case CHIP_VERDE:
@@ -1587,6 +1589,7 @@ static int si_init_microcode(struct radeon_device *rdev)
  		ce_req_size = SI_CE_UCODE_SIZE * 4;
  		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
  		mc_req_size = SI_MC_UCODE_SIZE * 4;
+		mc2_req_size = VERDE_MC_UCODE_SIZE * 4;
  		smc_req_size = ALIGN(VERDE_SMC_UCODE_SIZE, 4);
  		break;
  	case CHIP_OLAND:
@@ -1596,7 +1599,7 @@ static int si_init_microcode(struct radeon_device *rdev)
  		me_req_size = SI_PM4_UCODE_SIZE * 4;
  		ce_req_size = SI_CE_UCODE_SIZE * 4;
  		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
-		mc_req_size = OLAND_MC_UCODE_SIZE * 4;
+		mc_req_size = mc2_req_size = OLAND_MC_UCODE_SIZE * 4;
  		smc_req_size = ALIGN(OLAND_SMC_UCODE_SIZE, 4);
  		break;
  	case CHIP_HAINAN:
@@ -1606,7 +1609,7 @@ static int si_init_microcode(struct radeon_device *rdev)
  		me_req_size = SI_PM4_UCODE_SIZE * 4;
  		ce_req_size = SI_CE_UCODE_SIZE * 4;
  		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
-		mc_req_size = OLAND_MC_UCODE_SIZE * 4;
+		mc_req_size = mc2_req_size = OLAND_MC_UCODE_SIZE * 4;
  		smc_req_size = ALIGN(HAINAN_SMC_UCODE_SIZE, 4);
  		break;
  	default: BUG();
@@ -1659,11 +1662,16 @@ static int si_init_microcode(struct radeon_device *rdev)
  		err = -EINVAL;
  	}
- snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
+	snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc2.bin", chip_name);
  	err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
-	if (err)
-		goto out;
-	if (rdev->mc_fw->size != mc_req_size) {
+	if (err) {
+		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
+		err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
+		if (err)
+			goto out;
+	}
+	if ((rdev->mc_fw->size != mc_req_size) &&
+	    (rdev->mc_fw->size != mc2_req_size)) {
  		printk(KERN_ERR
  		       "si_mc: Bogus length %zu in firmware \"%s\"\n",
  		       rdev->mc_fw->size, fw_name);

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