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

Deucher, Alexander Alexander.Deucher at amd.com
Fri Apr 11 08:05:34 PDT 2014


> -----Original Message-----
> From: Christian König [mailto:deathsimple at vodafone.de]
> Sent: Friday, April 11, 2014 11:03 AM
> To: Alex Deucher; dri-devel at lists.freedesktop.org
> Cc: Deucher, Alexander; stable at vger.kernel.org
> Subject: Re: [PATCH 1/3] drm/radeon: add support for newer mc ucode on SI
> 
> Am 11.04.2014 16:52, schrieb Alex Deucher:
> > May fix stability issues with some newer cards.
> >
> > Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> > Cc: stable at vger.kernel.org
> 
> Why adding *_mc2.bin for the MC firmware? To distinct if people have the
> new or the old firmware?

To make sure I don't  break old kernels mixed with new firmware.  E.g., is a user updated their ucode, but not their kernel, it would fail due to the firmware being the wrong size.

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

I'll add that and respin.

Alex

> 
> 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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