amd-gfx Digest, Vol 40, Issue 37

Jiang, Sonny Sonny.Jiang at amd.com
Fri Sep 6 14:07:47 UTC 2019


Ping...

Review 2. [PATCH] drm: add drm device name (Jiang, Sonny), please.

Thanks,
Sonny
________________________________
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of amd-gfx-request at lists.freedesktop.org <amd-gfx-request at lists.freedesktop.org>
Sent: Tuesday, September 3, 2019 9:17 PM
To: amd-gfx at lists.freedesktop.org <amd-gfx at lists.freedesktop.org>
Subject: amd-gfx Digest, Vol 40, Issue 37

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Today's Topics:

   1. Re: [PATCH v2 06/27] drm/dp_mst: Combine redundant cases in
      drm_dp_encode_sideband_req() (Dave Airlie)
   2. [PATCH] drm: add drm device name (Jiang, Sonny)
   3. Re: [PATCH v2 11/27] drm/dp_mst: Constify guid in
      drm_dp_get_mst_branch_by_guid() (Dave Airlie)
   4. Re: [PATCH v2 15/27] drm/dp_mst: Cleanup
      drm_dp_send_link_address() a bit (Dave Airlie)
   5. RE: [PATCH] drm/amd/powerplay: replace smu->table_count with
      SMU_TABLE_COUNT in smu (Quan, Evan)


----------------------------------------------------------------------

Message: 1
Date: Wed, 4 Sep 2019 07:35:59 +1000
From: Dave Airlie <airlied at gmail.com>
To: Lyude Paul <lyude at redhat.com>
Cc: dri-devel <dri-devel at lists.freedesktop.org>,  nouveau
        <nouveau at lists.freedesktop.org>,  amd-gfx mailing list
        <amd-gfx at lists.freedesktop.org>, Sean Paul <sean at poorly.run>,  David
        Airlie <airlied at linux.ie>, Daniel Vetter <daniel.vetter at ffwll.ch>,
        Imre Deak <imre.deak at intel.com>, Maarten Lankhorst
        <maarten.lankhorst at linux.intel.com>,  LKML
        <linux-kernel at vger.kernel.org>, Maxime Ripard <mripard at kernel.org>,
        Juston Li <juston.li at intel.com>, Daniel Vetter <daniel at ffwll.ch>,
        Harry Wentland <hwentlan at amd.com>,  Ville Syrjälä
        <ville.syrjala at linux.intel.com>
Subject: Re: [PATCH v2 06/27] drm/dp_mst: Combine redundant cases in
        drm_dp_encode_sideband_req()
Message-ID:
        <CAPM=9tx1vQMEsw4VjDVCbDYFUiaeHNCfP09aiSxnPnucQuB1JQ at mail.gmail.com>
Content-Type: text/plain; charset="UTF-8"

On Wed, 4 Sep 2019 at 06:48, Lyude Paul <lyude at redhat.com> wrote:
>
> Noticed this while working on adding a drm_dp_decode_sideband_req().
> DP_POWER_DOWN_PHY/DP_POWER_UP_PHY both use the same struct, so we can
> just combine their cases.

both use the same struct as enum path resources?

Since otherwise the patch doesn't make sense.

With that fixed:
Reviewed-by: Dave Airlie <airlied at redhat.com>


------------------------------

Message: 2
Date: Tue, 3 Sep 2019 21:41:10 +0000
From: "Jiang, Sonny" <Sonny.Jiang at amd.com>
To: "amd-gfx at lists.freedesktop.org" <amd-gfx at lists.freedesktop.org>
Cc: "Jiang, Sonny" <Sonny.Jiang at amd.com>
Subject: [PATCH] drm: add drm device name
Message-ID: <20190903214040.2386-1-sonny.jiang at amd.com>
Content-Type: text/plain; charset="iso-8859-1"

Add DRM device name and use DRM_IOCTL_VERSION ioctl drmVersion::desc passing it to user space
instead of unused DRM driver name descriptor.

Change-Id: I809f6d3e057111417efbe8fa7cab8f0113ba4b21
Signed-off-by: Sonny Jiang <sonny.jiang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c |  2 ++
 drivers/gpu/drm/drm_drv.c                  | 17 +++++++++++++++++
 drivers/gpu/drm/drm_ioctl.c                |  2 +-
 include/drm/drm_device.h                   |  3 +++
 include/drm/drm_drv.h                      |  1 +
 5 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 67b09cb2a9e2..8f0971cea363 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2809,6 +2809,8 @@ int amdgpu_device_init(struct amdgpu_device *adev,
         /* init the mode config */
         drm_mode_config_init(adev->ddev);

+       drm_dev_set_name(adev->ddev, amdgpu_asic_name[adev->asic_type]);
+
         r = amdgpu_device_ip_init(adev);
         if (r) {
                 /* failed in exclusive mode due to timeout */
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 862621494a93..6c33879bb538 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -802,6 +802,7 @@ void drm_dev_fini(struct drm_device *dev)
         mutex_destroy(&dev->struct_mutex);
         drm_legacy_destroy_members(dev);
         kfree(dev->unique);
+       kfree(dev->name);
 }
 EXPORT_SYMBOL(drm_dev_fini);

@@ -1078,6 +1079,22 @@ int drm_dev_set_unique(struct drm_device *dev, const char *name)
 }
 EXPORT_SYMBOL(drm_dev_set_unique);

+/**
+ * drm_dev_set_name - Set the name of a DRM device
+ * @dev: device of which to set the name
+ * @name: name to be set
+ *
+ * Return: 0 on success or a negative error code on failure.
+ */
+int drm_dev_set_name(struct drm_device *dev, const char *name)
+{
+       kfree(dev->name);
+       dev->name = kstrdup(name, GFP_KERNEL);
+
+       return dev->name ? 0 : -ENOMEM;
+}
+EXPORT_SYMBOL(drm_dev_set_name);
+
 /*
  * DRM Core
  * The DRM core module initializes all global DRM objects and makes them
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index 2263e3ddd822..61f02965106b 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -506,7 +506,7 @@ int drm_version(struct drm_device *dev, void *data,
                                 dev->driver->date);
         if (!err)
                 err = drm_copy_field(version->desc, &version->desc_len,
-                               dev->driver->desc);
+                               dev->name);

         return err;
 }
diff --git a/include/drm/drm_device.h b/include/drm/drm_device.h
index 7f9ef709b2b6..e29912c484e4 100644
--- a/include/drm/drm_device.h
+++ b/include/drm/drm_device.h
@@ -123,6 +123,9 @@ struct drm_device {
         /** @unique: Unique name of the device */
         char *unique;

+       /** @name: device name */
+       char *name;
+
         /**
          * @struct_mutex:
          *
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index 68ca736c548d..f742e2bde467 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -798,6 +798,7 @@ static inline bool drm_drv_uses_atomic_modeset(struct drm_device *dev)


 int drm_dev_set_unique(struct drm_device *dev, const char *name);
+int drm_dev_set_name(struct drm_device *dev, const char *name);


 #endif
--
2.17.1



------------------------------

Message: 3
Date: Wed, 4 Sep 2019 07:41:07 +1000
From: Dave Airlie <airlied at gmail.com>
To: Lyude Paul <lyude at redhat.com>
Cc: dri-devel <dri-devel at lists.freedesktop.org>,  nouveau
        <nouveau at lists.freedesktop.org>,  amd-gfx mailing list
        <amd-gfx at lists.freedesktop.org>, Sean Paul <sean at poorly.run>,  David
        Airlie <airlied at linux.ie>, Daniel Vetter <daniel.vetter at ffwll.ch>,
        Imre Deak <imre.deak at intel.com>, Maarten Lankhorst
        <maarten.lankhorst at linux.intel.com>,  LKML
        <linux-kernel at vger.kernel.org>, Maxime Ripard <mripard at kernel.org>,
        Juston Li <juston.li at intel.com>, Daniel Vetter <daniel at ffwll.ch>,
        Harry Wentland <hwentlan at amd.com>,  Ville Syrjälä
        <ville.syrjala at linux.intel.com>
Subject: Re: [PATCH v2 11/27] drm/dp_mst: Constify guid in
        drm_dp_get_mst_branch_by_guid()
Message-ID:
        <CAPM=9tz0fdZpfFAfQ0aCQ4D+0XQGm=zqeFKDHPFNwVEUeM1f5g at mail.gmail.com>
Content-Type: text/plain; charset="UTF-8"

On Wed, 4 Sep 2019 at 06:48, Lyude Paul <lyude at redhat.com> wrote:
>
> And it's helper, we'll be using this in just a moment.
>

Reviewed-by: Dave Airlie <airlied at redhat.com>

> Cc: Juston Li <juston.li at intel.com>
> Cc: Imre Deak <imre.deak at intel.com>
> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Cc: Harry Wentland <hwentlan at amd.com>
> Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
> Signed-off-by: Lyude Paul <lyude at redhat.com>
> ---
>  drivers/gpu/drm/drm_dp_mst_topology.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
> index 43452872efad..b44d3696c09a 100644
> --- a/drivers/gpu/drm/drm_dp_mst_topology.c
> +++ b/drivers/gpu/drm/drm_dp_mst_topology.c
> @@ -2060,7 +2060,7 @@ static struct drm_dp_mst_branch *drm_dp_get_mst_branch_device(struct drm_dp_mst_
>
>  static struct drm_dp_mst_branch *get_mst_branch_device_by_guid_helper(
>         struct drm_dp_mst_branch *mstb,
> -       uint8_t *guid)
> +       const uint8_t *guid)
>  {
>         struct drm_dp_mst_branch *found_mstb;
>         struct drm_dp_mst_port *port;
> @@ -2084,7 +2084,7 @@ static struct drm_dp_mst_branch *get_mst_branch_device_by_guid_helper(
>
>  static struct drm_dp_mst_branch *
>  drm_dp_get_mst_branch_device_by_guid(struct drm_dp_mst_topology_mgr *mgr,
> -                                    uint8_t *guid)
> +                                    const uint8_t *guid)
>  {
>         struct drm_dp_mst_branch *mstb;
>         int ret;
> --
> 2.21.0
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx


------------------------------

Message: 4
Date: Wed, 4 Sep 2019 07:42:16 +1000
From: Dave Airlie <airlied at gmail.com>
To: Lyude Paul <lyude at redhat.com>
Cc: dri-devel <dri-devel at lists.freedesktop.org>,  nouveau
        <nouveau at lists.freedesktop.org>,  amd-gfx mailing list
        <amd-gfx at lists.freedesktop.org>, Sean Paul <sean at poorly.run>,  David
        Airlie <airlied at linux.ie>, Daniel Vetter <daniel.vetter at ffwll.ch>,
        Imre Deak <imre.deak at intel.com>, Maarten Lankhorst
        <maarten.lankhorst at linux.intel.com>,  LKML
        <linux-kernel at vger.kernel.org>, Maxime Ripard <mripard at kernel.org>,
        Juston Li <juston.li at intel.com>, Daniel Vetter <daniel at ffwll.ch>,
        Harry Wentland <hwentlan at amd.com>,  Ville Syrjälä
        <ville.syrjala at linux.intel.com>
Subject: Re: [PATCH v2 15/27] drm/dp_mst: Cleanup
        drm_dp_send_link_address() a bit
Message-ID:
        <CAPM=9ty-264nFotVRy7VwMw_BQPo-=7su7y3J2MjC9Sdkxcu+A at mail.gmail.com>
Content-Type: text/plain; charset="UTF-8"

On Wed, 4 Sep 2019 at 06:48, Lyude Paul <lyude at redhat.com> wrote:
>
> Declare local pointer to the drm_dp_link_address_ack_reply struct
> instead of constantly dereferencing it through the union in
> txmsg->reply. Then, invert the order of conditionals so we don't have to
> do the bulk of the work inside them, and can wrap lines even less. Then
> finally, rearrange variable declarations a bit.
>
> Cc: Juston Li <juston.li at intel.com>
> Cc: Imre Deak <imre.deak at intel.com>
> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Cc: Harry Wentland <hwentlan at amd.com>
> Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
> Signed-off-by: Lyude Paul <lyude at redhat.com>

Reviewed-by: Dave Airlie <airlied at redhat.com>


------------------------------

Message: 5
Date: Wed, 4 Sep 2019 01:17:19 +0000
From: "Quan, Evan" <Evan.Quan at amd.com>
To: "Wang, Kevin(Yang)" <Kevin1.Wang at amd.com>,
        "amd-gfx at lists.freedesktop.org" <amd-gfx at lists.freedesktop.org>,
        "Huang, Ray" <Ray.Huang at amd.com>
Cc: "Wang, Kevin(Yang)" <Kevin1.Wang at amd.com>
Subject: RE: [PATCH] drm/amd/powerplay: replace smu->table_count with
        SMU_TABLE_COUNT in smu
Message-ID:
        <MN2PR12MB3344CB5D45A7FE830BDC4E34E4B80 at MN2PR12MB3344.namprd12.prod.outlook.com>

Content-Type: text/plain; charset="utf-8"

Please drop the table_count member from the smu_table structure as it's totally unused.
With that fixed, the patch is reviewed-by: Evan Quan <evan.quan at amd.com>

> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of
> Wang, Kevin(Yang)
> Sent: 2019年9月3日 16:17
> To: amd-gfx at lists.freedesktop.org; Huang, Ray <Ray.Huang at amd.com>
> Cc: Wang, Kevin(Yang) <Kevin1.Wang at amd.com>
> Subject: [PATCH] drm/amd/powerplay: replace smu->table_count with
> SMU_TABLE_COUNT in smu
>
> fix bellow patch issue:
> drm/amd/powerplay: introduce smu table id type to handle the smu table
> for each asic
> ----
> "This patch introduces new smu table type, it's to handle the  different smu
> table  defines for each asic with the same smu ip."
>
> before:
> use smu->table_count to represent the actual table count in smc firmware
> use actual table count to check smu function parameter about smu table
> after:
> use logic table count "SMU_TABLE_COUNT" to check function parameter
> because table id already mapped in smu driver, and smu function will use
> logic table id not actual table id to check func parameter.
>
> Signed-off-by: Kevin Wang <kevin1.wang at amd.com>
> ---
>  drivers/gpu/drm/amd/powerplay/amdgpu_smu.c   | 13 ++++---------
>  drivers/gpu/drm/amd/powerplay/arcturus_ppt.c |  1 -
>  drivers/gpu/drm/amd/powerplay/navi10_ppt.c   |  1 -
>  drivers/gpu/drm/amd/powerplay/renoir_ppt.c   |  1 -
>  drivers/gpu/drm/amd/powerplay/smu_v11_0.c    |  5 ++---
>  drivers/gpu/drm/amd/powerplay/vega20_ppt.c   |  1 -
>  6 files changed, 6 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
> b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
> index 6f435d60fe86..c71a82a6a785 100644
> --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
> +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
> @@ -462,7 +462,7 @@ int smu_update_table(struct smu_context *smu,
> enum smu_table_id table_index, int
>        int ret = 0;
>        int table_id = smu_table_get_index(smu, table_index);
>
> -     if (!table_data || table_id >= smu_table->table_count || table_id < 0)
> +     if (!table_data || table_id >= SMU_TABLE_COUNT || table_id < 0)
>                return -EINVAL;
>
>        table = &smu_table->tables[table_index]; @@ -940,14 +940,10 @@
> static int smu_init_fb_allocations(struct smu_context *smu)
>        struct amdgpu_device *adev = smu->adev;
>        struct smu_table_context *smu_table = &smu->smu_table;
>        struct smu_table *tables = smu_table->tables;
> -     uint32_t table_count = smu_table->table_count;
>        uint32_t i = 0;
>        int32_t ret = 0;
>
> -     if (table_count <= 0)
> -             return -EINVAL;
> -
> -     for (i = 0 ; i < table_count; i++) {
> +     for (i = 0; i < SMU_TABLE_COUNT; i++) {
>                if (tables[i].size == 0)
>                        continue;
>                ret = amdgpu_bo_create_kernel(adev,
> @@ -978,13 +974,12 @@ static int smu_fini_fb_allocations(struct
> smu_context *smu)  {
>        struct smu_table_context *smu_table = &smu->smu_table;
>        struct smu_table *tables = smu_table->tables;
> -     uint32_t table_count = smu_table->table_count;
>        uint32_t i = 0;
>
> -     if (table_count == 0 || tables == NULL)
> +     if (!tables)
>                return 0;
>
> -     for (i = 0 ; i < table_count; i++) {
> +     for (i = 0; i < SMU_TABLE_COUNT; i++) {
>                if (tables[i].size == 0)
>                        continue;
>                amdgpu_bo_free_kernel(&tables[i].bo,
> diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
> b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
> index f1f072012fac..6e8eb0f94c8b 100644
> --- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
> +++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
> @@ -1934,5 +1934,4 @@ void arcturus_set_ppt_funcs(struct smu_context
> *smu)
>        struct smu_table_context *smu_table = &smu->smu_table;
>
>        smu->ppt_funcs = &arcturus_ppt_funcs;
> -     smu_table->table_count = TABLE_COUNT;
>  }
> diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
> b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
> index 744b7501c34d..e3add8b59291 100644
> --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
> +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
> @@ -1633,5 +1633,4 @@ void navi10_set_ppt_funcs(struct smu_context
> *smu)
>        struct smu_table_context *smu_table = &smu->smu_table;
>
>        smu->ppt_funcs = &navi10_ppt_funcs;
> -     smu_table->table_count = TABLE_COUNT;
>  }
> diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
> b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
> index de43159564a5..2b953f7431b6 100644
> --- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
> +++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
> @@ -169,5 +169,4 @@ void renoir_set_ppt_funcs(struct smu_context *smu)
>
>        smu->ppt_funcs = &renoir_ppt_funcs;
>        smu->smc_if_version = SMU12_DRIVER_IF_VERSION;
> -     smu_table->table_count = TABLE_COUNT;
>  }
> diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
> b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
> index deca9f85764c..3709e4d77338 100644
> --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
> +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
> @@ -439,7 +439,7 @@ static int smu_v11_0_init_smc_tables(struct
> smu_context *smu)
>        struct smu_table *tables = NULL;
>        int ret = 0;
>
> -     if (smu_table->tables || smu_table->table_count == 0)
> +     if (smu_table->tables)
>                return -EINVAL;
>
>        tables = kcalloc(SMU_TABLE_COUNT, sizeof(struct smu_table), @@ -
> 465,13 +465,12 @@ static int smu_v11_0_fini_smc_tables(struct
> smu_context *smu)
>        struct smu_table_context *smu_table = &smu->smu_table;
>        int ret = 0;
>
> -     if (!smu_table->tables || smu_table->table_count == 0)
> +     if (!smu_table->tables)
>                return -EINVAL;
>
>        kfree(smu_table->tables);
>        kfree(smu_table->metrics_table);
>        smu_table->tables = NULL;
> -     smu_table->table_count = 0;
>        smu_table->metrics_table = NULL;
>        smu_table->metrics_time = 0;
>
> diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
> b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
> index 899bf96b23e1..68548ba9b6ea 100644
> --- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
> +++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
> @@ -3189,5 +3189,4 @@ void vega20_set_ppt_funcs(struct smu_context
> *smu)
>        struct smu_table_context *smu_table = &smu->smu_table;
>
>        smu->ppt_funcs = &vega20_ppt_funcs;
> -     smu_table->table_count = TABLE_COUNT;
>  }
> --
> 2.22.0
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx

------------------------------

Subject: Digest Footer

_______________________________________________
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------------------------------

End of amd-gfx Digest, Vol 40, Issue 37
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