| Message ID | 20240604154846.500357-1-robdclark@gmail.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | drm/msm/a6xx: Print SQE fw version | expand |
On Tue, 4 Jun 2024 at 18:48, Rob Clark <robdclark@gmail.com> wrote: > > From: Rob Clark <robdclark@chromium.org> > > Add the SQE fw version to dmesg and devcoredump. > > Signed-off-by: Rob Clark <robdclark@chromium.org> > --- > drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 32 +++++++++++++++++++-- > drivers/gpu/drm/msm/adreno/a6xx_gpu.h | 1 + > drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 2 ++ > 3 files changed, 33 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c > index 56bfb228808d..5a2a005003c8 100644 > --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c > +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c > @@ -665,6 +665,32 @@ static int a7xx_cp_init(struct msm_gpu *gpu) > return a6xx_idle(gpu, ring) ? 0 : -EINVAL; > } > > +static uint32_t get_ucode_version(const uint32_t *data) > +{ > + uint32_t version; > + > + /* NOTE: compared to kgsl, we've already stripped off the first dword: */ > + version = data[0]; > + > + if ((version & 0xf) != 0xa) > + return version; > + > + version &= ~0xfff; > + return version | ((data[2] & 0xfff000) >> 12); > +} > + > +uint32_t a6xx_get_sqe_version(struct msm_gpu *gpu) > +{ > + struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); > + struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); > + uint32_t *buf = msm_gem_get_vaddr(a6xx_gpu->sqe_bo); > + uint32_t version = get_ucode_version(buf); > + > + msm_gem_put_vaddr(a6xx_gpu->sqe_bo); Wouldn't it be easier to save the SQE version when the firmware is loaded and then just return it? Or the point is about reading the SQE version at runtime? > + > + return version; > +} > + > /* > * Check that the microcode version is new enough to include several key > * security fixes. Return true if the ucode is safe. > @@ -681,6 +707,8 @@ static bool a6xx_ucode_check_version(struct a6xx_gpu *a6xx_gpu, > if (IS_ERR(buf)) > return false; > > + DRM_DEV_INFO(&gpu->pdev->dev, "Have SQE version %03x\n", get_ucode_version(buf)); I'd suggest drm_dbg_driver() instead. I think the motto is to keep the kernel more or less quiet. > + > /* A7xx is safe! */ > if (adreno_is_a7xx(adreno_gpu) || adreno_is_a702(adreno_gpu)) > return true; > @@ -714,7 +742,7 @@ static bool a6xx_ucode_check_version(struct a6xx_gpu *a6xx_gpu, > } > > DRM_DEV_ERROR(&gpu->pdev->dev, > - "a630 SQE ucode is too old. Have version %x need at least %x\n", > + "a630 SQE ucode is too old. Have version %03x need at least %03x\n", > buf[0] & 0xfff, 0x190); > } else if (!strcmp(sqe_name, "a650_sqe.fw")) { > if ((buf[0] & 0xfff) >= 0x095) { > @@ -723,7 +751,7 @@ static bool a6xx_ucode_check_version(struct a6xx_gpu *a6xx_gpu, > } > > DRM_DEV_ERROR(&gpu->pdev->dev, > - "a650 SQE ucode is too old. Have version %x need at least %x\n", > + "a650 SQE ucode is too old. Have version %03x need at least %03x\n", > buf[0] & 0xfff, 0x095); > } else if (!strcmp(sqe_name, "a660_sqe.fw")) { > ret = true; > diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h > index 1c3cc6df70fe..c206dab8bc08 100644 > --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h > +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h > @@ -109,6 +109,7 @@ void a6xx_gmu_set_freq(struct msm_gpu *gpu, struct dev_pm_opp *opp, > bool suspended); > unsigned long a6xx_gmu_get_freq(struct msm_gpu *gpu); > > +uint32_t a6xx_get_sqe_version(struct msm_gpu *gpu); > void a6xx_show(struct msm_gpu *gpu, struct msm_gpu_state *state, > struct drm_printer *p); > > diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c > index 0a7717a4fc2f..1acfe39eb8e0 100644 > --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c > +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c > @@ -1957,6 +1957,8 @@ void a6xx_show(struct msm_gpu *gpu, struct msm_gpu_state *state, > > adreno_show(gpu, state, p); > > + drm_printf(p, "sqe-version: 0x%08x\n", a6xx_get_sqe_version(gpu)); > + > drm_puts(p, "gmu-log:\n"); > if (a6xx_state->gmu_log) { > struct msm_gpu_state_bo *gmu_log = a6xx_state->gmu_log; > -- > 2.45.1 >
On 6/4/24 17:48, Rob Clark wrote: > From: Rob Clark <robdclark@chromium.org> > > Add the SQE fw version to dmesg and devcoredump. > > Signed-off-by: Rob Clark <robdclark@chromium.org> > --- > drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 32 +++++++++++++++++++-- > drivers/gpu/drm/msm/adreno/a6xx_gpu.h | 1 + > drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 2 ++ > 3 files changed, 33 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c > index 56bfb228808d..5a2a005003c8 100644 > --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c > +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c > @@ -665,6 +665,32 @@ static int a7xx_cp_init(struct msm_gpu *gpu) > return a6xx_idle(gpu, ring) ? 0 : -EINVAL; > } > > +static uint32_t get_ucode_version(const uint32_t *data) > +{ > + uint32_t version; > + > + /* NOTE: compared to kgsl, we've already stripped off the first dword: */ > + version = data[0]; > + > + if ((version & 0xf) != 0xa) > + return version; > + > + version &= ~0xfff; > + return version | ((data[2] & 0xfff000) >> 12); double space Some GENMASKy defines w/ FIELD_GET would be nice here.. [...] > > + DRM_DEV_INFO(&gpu->pdev->dev, "Have SQE version %03x\n", get_ucode_version(buf)); "SQE FW version: [...]" instead? > + > /* A7xx is safe! */ > if (adreno_is_a7xx(adreno_gpu) || adreno_is_a702(adreno_gpu)) > return true; > @@ -714,7 +742,7 @@ static bool a6xx_ucode_check_version(struct a6xx_gpu *a6xx_gpu, > } > > DRM_DEV_ERROR(&gpu->pdev->dev, > - "a630 SQE ucode is too old. Have version %x need at least %x\n", > + "a630 SQE ucode is too old. Have version %03x need at least %03x\n", > buf[0] & 0xfff, 0x190); This func should probably get updated to use the new getter too, getting rid of magic masks for e.g. if (FIELD_GET(SQE_FW_MINMAJ, ver) > 0x190) foobarbaz Konrad
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 56bfb228808d..5a2a005003c8 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -665,6 +665,32 @@ static int a7xx_cp_init(struct msm_gpu *gpu) return a6xx_idle(gpu, ring) ? 0 : -EINVAL; } +static uint32_t get_ucode_version(const uint32_t *data) +{ + uint32_t version; + + /* NOTE: compared to kgsl, we've already stripped off the first dword: */ + version = data[0]; + + if ((version & 0xf) != 0xa) + return version; + + version &= ~0xfff; + return version | ((data[2] & 0xfff000) >> 12); +} + +uint32_t a6xx_get_sqe_version(struct msm_gpu *gpu) +{ + struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); + struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); + uint32_t *buf = msm_gem_get_vaddr(a6xx_gpu->sqe_bo); + uint32_t version = get_ucode_version(buf); + + msm_gem_put_vaddr(a6xx_gpu->sqe_bo); + + return version; +} + /* * Check that the microcode version is new enough to include several key * security fixes. Return true if the ucode is safe. @@ -681,6 +707,8 @@ static bool a6xx_ucode_check_version(struct a6xx_gpu *a6xx_gpu, if (IS_ERR(buf)) return false; + DRM_DEV_INFO(&gpu->pdev->dev, "Have SQE version %03x\n", get_ucode_version(buf)); + /* A7xx is safe! */ if (adreno_is_a7xx(adreno_gpu) || adreno_is_a702(adreno_gpu)) return true; @@ -714,7 +742,7 @@ static bool a6xx_ucode_check_version(struct a6xx_gpu *a6xx_gpu, } DRM_DEV_ERROR(&gpu->pdev->dev, - "a630 SQE ucode is too old. Have version %x need at least %x\n", + "a630 SQE ucode is too old. Have version %03x need at least %03x\n", buf[0] & 0xfff, 0x190); } else if (!strcmp(sqe_name, "a650_sqe.fw")) { if ((buf[0] & 0xfff) >= 0x095) { @@ -723,7 +751,7 @@ static bool a6xx_ucode_check_version(struct a6xx_gpu *a6xx_gpu, } DRM_DEV_ERROR(&gpu->pdev->dev, - "a650 SQE ucode is too old. Have version %x need at least %x\n", + "a650 SQE ucode is too old. Have version %03x need at least %03x\n", buf[0] & 0xfff, 0x095); } else if (!strcmp(sqe_name, "a660_sqe.fw")) { ret = true; diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h index 1c3cc6df70fe..c206dab8bc08 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h @@ -109,6 +109,7 @@ void a6xx_gmu_set_freq(struct msm_gpu *gpu, struct dev_pm_opp *opp, bool suspended); unsigned long a6xx_gmu_get_freq(struct msm_gpu *gpu); +uint32_t a6xx_get_sqe_version(struct msm_gpu *gpu); void a6xx_show(struct msm_gpu *gpu, struct msm_gpu_state *state, struct drm_printer *p); diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c index 0a7717a4fc2f..1acfe39eb8e0 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c @@ -1957,6 +1957,8 @@ void a6xx_show(struct msm_gpu *gpu, struct msm_gpu_state *state, adreno_show(gpu, state, p); + drm_printf(p, "sqe-version: 0x%08x\n", a6xx_get_sqe_version(gpu)); + drm_puts(p, "gmu-log:\n"); if (a6xx_state->gmu_log) { struct msm_gpu_state_bo *gmu_log = a6xx_state->gmu_log;