On 22-09-2022 19:26, Lucas De Marchi wrote:
> On Wed, Sep 21, 2022 at 12:00:38PM +0530, Iddamsetty, Aravind wrote:
>> replying here for earlier comments too.
>>
>> On 21-09-2022 01:35, Lucas De Marchi wrote:
>>> On Tue, Sep 20, 2022 at 01:31:49AM -0700, Lucas De Marchi wrote:
On Tue, Sep 20
On Wed, Sep 21, 2022 at 12:00:38PM +0530, Iddamsetty, Aravind wrote:
replying here for earlier comments too.
On 21-09-2022 01:35, Lucas De Marchi wrote:
On Tue, Sep 20, 2022 at 01:31:49AM -0700, Lucas De Marchi wrote:
On Tue, Sep 20, 2022 at 12:49:40PM +0530, Aravind Iddamsetty wrote:
As an i
On 20-09-2022 13:05, Jani Nikula wrote:
> On Tue, 20 Sep 2022, Aravind Iddamsetty wrote:
>> As an integrated GPU, MTL does not have local memory and
>> HAS_LMEM() returns false. However the platform's stolen memory
>> is presented via BAR2 (i.e., the BAR we traditionally consider
>> to be the
replying here for earlier comments too.
On 21-09-2022 01:35, Lucas De Marchi wrote:
> On Tue, Sep 20, 2022 at 01:31:49AM -0700, Lucas De Marchi wrote:
>> On Tue, Sep 20, 2022 at 12:49:40PM +0530, Aravind Iddamsetty wrote:
>>> As an integrated GPU, MTL does not have local memory and
>>> HAS_LMEM()
Hi Matt, Lucas,
thanks for your feedback,
> > > + switch (gms) {
> > > + case 0x0 ... 0x10:
> > > + return gms * 32;
> > > + case 0x20:
> > > + return 1024;
> > > + case 0x30:
> > > + return 1536;
> > > + case 0x40:
> > > + return 2048;
> > > + case 0xf0 ... 0xfe:
On Tue, Sep 20, 2022 at 06:57:46PM +0200, Andi Shyti wrote:
> Hi Aravind,
>
> > +static int get_mtl_gms_size(struct intel_uncore *uncore)
> > +{
> > + u16 ggc, gms;
> > +
> > + ggc = intel_uncore_read16(uncore, _MMIO(0x108040));
> > +
> > + /* check GGMS, should be fixed 0x3 (8MB) */
> > +
On Tue, Sep 20, 2022 at 01:31:49AM -0700, Lucas De Marchi wrote:
On Tue, Sep 20, 2022 at 12:49:40PM +0530, Aravind Iddamsetty wrote:
As an integrated GPU, MTL does not have local memory and
HAS_LMEM() returns false. However the platform's stolen memory
is presented via BAR2 (i.e., the BAR we tr
On Tue, Sep 20, 2022 at 06:57:46PM +0200, Andi Shyti wrote:
Hi Aravind,
+static int get_mtl_gms_size(struct intel_uncore *uncore)
+{
+ u16 ggc, gms;
+
+ ggc = intel_uncore_read16(uncore, _MMIO(0x108040));
+
+ /* check GGMS, should be fixed 0x3 (8MB) */
+ if ((ggc & 0xc0)
Hi Aravind,
> +static int get_mtl_gms_size(struct intel_uncore *uncore)
> +{
> + u16 ggc, gms;
> +
> + ggc = intel_uncore_read16(uncore, _MMIO(0x108040));
> +
> + /* check GGMS, should be fixed 0x3 (8MB) */
> + if ((ggc & 0xc0) != 0xc0)
> + return -EIO;
> +
> + /* r
On Tue, Sep 20, 2022 at 12:49:40PM +0530, Aravind Iddamsetty wrote:
As an integrated GPU, MTL does not have local memory and
HAS_LMEM() returns false. However the platform's stolen memory
is presented via BAR2 (i.e., the BAR we traditionally consider
to be the LMEM BAR) and should be managed by
On Tue, 20 Sep 2022, Aravind Iddamsetty wrote:
> As an integrated GPU, MTL does not have local memory and
> HAS_LMEM() returns false. However the platform's stolen memory
> is presented via BAR2 (i.e., the BAR we traditionally consider
> to be the LMEM BAR) and should be managed by the driver the
As an integrated GPU, MTL does not have local memory and
HAS_LMEM() returns false. However the platform's stolen memory
is presented via BAR2 (i.e., the BAR we traditionally consider
to be the LMEM BAR) and should be managed by the driver the same
way that local memory is on dgpu platforms (which
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