On Mon, Oct 16, 2017 at 11:27:47AM -0400, Rob Clark wrote: > Previously, in an effort to defer initializing the gpu until firmware > was available (ie. rootfs mounted), the gpu was not loaded at when the > subdevice was bound. Which resulted that clks/etc were requested in a > place that devm couldn't really help unwind if something failed. > > Instead move request_firmware() to gpu->hw_init() and construct the gpu > earlier in adreno_bind(). To avoid the rest of the driver needing to > be aware of a gpu that hasn't managed to load firmware and hw_init() > yet, stash the gpu ptr in the adreno device's drvdata, and don't set > priv->gpu() until hw_init() succeeds. > > Signed-off-by: Rob Clark <robdcl...@gmail.com> > --- > drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 6 +-- > drivers/gpu/drm/msm/adreno/adreno_device.c | 78 > +++++++++++++++--------------- > drivers/gpu/drm/msm/adreno/adreno_gpu.c | 45 +++++++++++------ > drivers/gpu/drm/msm/msm_drv.c | 10 ---- > 4 files changed, 74 insertions(+), 65 deletions(-) > > diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c > b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c > index 17c59d839e6f..8df86d83d859 100644 > --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c > +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c > @@ -536,13 +536,13 @@ static int a5xx_hw_init(struct msm_gpu *gpu) > REG_A5XX_RBBM_SECVID_TSB_TRUSTED_BASE_HI, 0x00000000); > gpu_write(gpu, REG_A5XX_RBBM_SECVID_TSB_TRUSTED_SIZE, 0x00000000); > > - /* Load the GPMU firmware before starting the HW init */ > - a5xx_gpmu_ucode_init(gpu); > - > ret = adreno_hw_init(gpu); > if (ret) > return ret; > > + /* Load the GPMU firmware before starting the HW init */
You can delete this comment since it is no longer accurate. > + a5xx_gpmu_ucode_init(gpu); > + > ret = a5xx_ucode_init(gpu); > if (ret) > return ret; Jordan -- The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project _______________________________________________ Freedreno mailing list Freedreno@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/freedreno
