On Mon, Jun 27, 2016 at 7:12 PM, Vivi, Rodrigo <rodrigo.vivi@xxxxxxxxx> wrote:
> On Mon, 2016-06-27 at 19:51 +0300, Imre Deak wrote:
>> On Mon, 2016-06-27 at 19:32 +0300, Vivi, Rodrigo wrote:
>> >
>> > On Mon, 2016-06-27 at 14:20 +0300, Imre Deak wrote:
>> > >
>> > > Adding Christophe, he was supposed to make the release after
>> > > validation.
>> > Apparently we are almost ready to release and one latest round of
>> > final
>> > validation was pending.
>> >
>> > Christophe, any news on this front?
>> >
>> > >
>> > > I don't think it prevents merging this patch though, the
>> > > result is failure to load the firmware in either case.
>> > I was going to say that I agree, but I believe Patrik might be
>> > right.
>> > Without this patch we load the 1.06 while with this patch we start
>> > loading only the 1.07 that is not available.
>> > Although 1.06 might have issues the failures would be different. So
>> > or
>> > we blacklist 1.06 with a separated patch and then merge this one or
>> > we
>> > release the 1.07 before.
>> 1.06 is already blacklisted, it has known problems.
>
> Oh! So I agree with the first statement. Let's merge this patch ;)
That was new info for me as well. I don't have commit access so anyone
who can, feel free to merge.
-Patrik
>
>>
>> --Imre
>>
>> >
>> > >
>> > > On ma, 2016-06-27 at 12:57 +0200, Patrik Jakobsson wrote:
>> > > >
>> > > >
>> > > > On Wed, Jun 15, 2016 at 12:11:55AM +0000, Vivi, Rodrigo wrote:
>> > > > >
>> > > > >
>> > > > > On Mon, 2016-05-23 at 10:57 +0200, Patrik Jakobsson wrote:
>> > > > > >
>> > > > > >
>> > > > > > On Wed, May 18, 2016 at 01:24:12PM +0300, Mika Kuoppala
>> > > > > > wrote:
>> > > > > > >
>> > > > > > >
>> > > > > > > Patrik Jakobsson <patrik.jakobsson@xxxxxxxxxxxxxxx>
>> > > > > > > writes:
>> > > > > > >
>> > > > > > > >
>> > > > > > > >
>> > > > > > > > [ text/plain ]
>> > > > > > > > Load specific firmware versions for the DMC instead of
>> > > > > > > > using
>> > > > > > > > symbolic
>> > > > > > > > links. The currently recommended versions are: SKL
>> > > > > > > > 1.26,
>> > > > > > > > KBL 1.01
>> > > > > > > > and
>> > > > > > > > BXT 1.07.
>> > > > > > > >
>> > > > > > > > Certain DMC versions need workarounds in the driver
>> > > > > > > > which
>> > > > > > > > forces
>> > > > > > > > us to
>> > > > > > > > have a tight dependency between firmware and driver. In
>> > > > > > > > order to
>> > > > > > > > be able
>> > > > > > > > to provide a tested and known working configuration we
>> > > > > > > > must
>> > > > > > > > lock
>> > > > > > > > down on
>> > > > > > > > a specific DMC firmware version.
>> > > > > > > >
>> > > > > > > > Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
>> > > > > > > > Cc: Imre Deak <imre.deak@xxxxxxxxx>
>> > > > > > > > Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
>> > > > > > > > Signed-off-by: Patrik Jakobsson
>> > > > > > > > >
>> > > > > > > > >
>> > > > > > > > >
>> > > > > > > Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
>> > > > > > >
>> > > > > > > We need ack from Rodrigo and/or whomever is handling
>> > > > > > > the fw releasing side.
>> > > > > > >
>> > > > > > > -Mika
>> > > > > > >
>> > > > > > As discussed on IRC, Rodrigo is currently away but since he
>> > > > > > requested
>> > > > > > this
>> > > > > > feature we indirectly have his ACK.
>> > > > > indeed! ;)
>> > > > I assume we need BXT 1.07 released on 01.org before merging
>> > > > this.
>> > > > Any status on
>> > > > that?
>> > >
>> > > >
>> > > >
>> > > >
>> > > > -Patrik
>> > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > > Acked-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
>> > > > >
>> > > > > >
>> > > > > >
>> > > > > > -Patrik
>> > > > > >
>> > > > > > >
>> > > > > > >
>> > > > > > > >
>> > > > > > > >
>> > > > > > > > ---
>> > > > > > > > drivers/gpu/drm/i915/intel_csr.c | 29 ++++++++++++++
>> > > > > > > > ----
>> > > > > > > > --------
>> > > > > > > > ---
>> > > > > > > > 1 file changed, 14 insertions(+), 15 deletions(-)
>> > > > > > > >
>> > > > > > > > diff --git a/drivers/gpu/drm/i915/intel_csr.c
>> > > > > > > > b/drivers/gpu/drm/i915/intel_csr.c
>> > > > > > > > index 2b3b428..ea047cd 100644
>> > > > > > > > --- a/drivers/gpu/drm/i915/intel_csr.c
>> > > > > > > > +++ b/drivers/gpu/drm/i915/intel_csr.c
>> > > > > > > > @@ -41,15 +41,15 @@
>> > > > > > > > * be moved to FW_FAILED.
>> > > > > > > > */
>> > > > > > > >
>> > > > > > > > -#define I915_CSR_KBL "i915/kbl_dmc_ver1.bin"
>> > > > > > > > +#define I915_CSR_KBL "i915/kbl_dmc_ver1_01.bin"
>> > > > > > > > MODULE_FIRMWARE(I915_CSR_KBL);
>> > > > > > > > #define KBL_CSR_VERSION_REQUIRED CSR_VERSION(1,
>> > > > > > > > 1)
>> > > > > > > >
>> > > > > > > > -#define I915_CSR_SKL "i915/skl_dmc_ver1.bin"
>> > > > > > > > +#define I915_CSR_SKL "i915/skl_dmc_ver1_26.bin"
>> > > > > > > > MODULE_FIRMWARE(I915_CSR_SKL);
>> > > > > > > > -#define SKL_CSR_VERSION_REQUIRED CSR_VERSION(1,
>> > > > > > > > 23)
>> > > > > > > > +#define SKL_CSR_VERSION_REQUIRED CSR_VERSION(1,
>> > > > > > > > 26)
>> > > > > > > >
>> > > > > > > > -#define I915_CSR_BXT "i915/bxt_dmc_ver1.bin"
>> > > > > > > > +#define I915_CSR_BXT "i915/bxt_dmc_ver1_07.bin"
>> > > > > > > > MODULE_FIRMWARE(I915_CSR_BXT);
>> > > > > > > > #define BXT_CSR_VERSION_REQUIRED CSR_VERSION(1,
>> > > > > > > > 7)
>> > > > > > > >
>> > > > > > > > @@ -286,7 +286,7 @@ static uint32_t
>> > > > > > > > *parse_csr_fw(struct
>> > > > > > > > drm_i915_private *dev_priv,
>> > > > > > > > uint32_t dmc_offset = CSR_DEFAULT_FW_OFFSET,
>> > > > > > > > readcount =
>> > > > > > > > 0, nbytes;
>> > > > > > > > uint32_t i;
>> > > > > > > > uint32_t *dmc_payload;
>> > > > > > > > - uint32_t required_min_version;
>> > > > > > > > + uint32_t required_version;
>> > > > > > > >
>> > > > > > > > if (!fw)
>> > > > > > > > return NULL;
>> > > > > > > > @@ -303,24 +303,23 @@ static uint32_t
>> > > > > > > > *parse_csr_fw(struct
>> > > > > > > > drm_i915_private *dev_priv,
>> > > > > > > > csr->version = css_header->version;
>> > > > > > > >
>> > > > > > > > if (IS_KABYLAKE(dev_priv)) {
>> > > > > > > > - required_min_version =
>> > > > > > > > KBL_CSR_VERSION_REQUIRED;
>> > > > > > > > + required_version =
>> > > > > > > > KBL_CSR_VERSION_REQUIRED;
>> > > > > > > > } else if (IS_SKYLAKE(dev_priv)) {
>> > > > > > > > - required_min_version =
>> > > > > > > > SKL_CSR_VERSION_REQUIRED;
>> > > > > > > > + required_version =
>> > > > > > > > SKL_CSR_VERSION_REQUIRED;
>> > > > > > > > } else if (IS_BROXTON(dev_priv)) {
>> > > > > > > > - required_min_version =
>> > > > > > > > BXT_CSR_VERSION_REQUIRED;
>> > > > > > > > + required_version =
>> > > > > > > > BXT_CSR_VERSION_REQUIRED;
>> > > > > > > > } else {
>> > > > > > > > MISSING_CASE(INTEL_REVID(dev_priv));
>> > > > > > > > - required_min_version = 0;
>> > > > > > > > + required_version = 0;
>> > > > > > > > }
>> > > > > > > >
>> > > > > > > > - if (csr->version < required_min_version) {
>> > > > > > > > - DRM_INFO("Refusing to load old DMC
>> > > > > > > > firmware
>> > > > > > > > v%u.%u,"
>> > > > > > > > - " please upgrade to v%u.%u or
>> > > > > > > > later"
>> > > > > > > > - " [" FIRMWARE_URL "].\n",
>> > > > > > > > + if (csr->version != required_version) {
>> > > > > > > > + DRM_INFO("Refusing to load DMC
>> > > > > > > > firmware
>> > > > > > > > v%u.%u,"
>> > > > > > > > + " please use v%u.%u ["
>> > > > > > > > FIRMWARE_URL
>> > > > > > > > "].\n",
>> > > > > > > > CSR_VERSION_MAJOR(csr-
>> > > > > > > > >
>> > > > > > > > > version),
>> > > > > > > > CSR_VERSION_MINOR(csr-
>> > > > > > > > >
>> > > > > > > > > version),
>> > > > > > > > - CSR_VERSION_MAJOR(required_mi
>> > > > > > > > n_
>> > > > > > > > ve
>> > > > > > > > rsion)
>> > > > > > > > ,
>> > > > > > > > - CSR_VERSION_MINOR(required_mi
>> > > > > > > > n_
>> > > > > > > > ve
>> > > > > > > > rsion)
>> > > > > > > > );
>> > > > > > > > + CSR_VERSION_MAJOR(required_ve
>> > > > > > > > rs
>> > > > > > > > io
>> > > > > > > > n),
>> > > > > > > > + CSR_VERSION_MINOR(required_ve
>> > > > > > > > rs
>> > > > > > > > io
>> > > > > > > > n));
>> > > > > > > > return NULL;
>> > > > > > > > }
>> > > > > > > >
>> > > > > > > > --
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