On Fri, Oct 31, 2014 at 11:08 AM, Ganesan, Aravind
<aravindg@xxxxxxxxxxxxxx> wrote:
> Added a4xx GPU support.
>
> Signed-off-by: Aravind Ganesan <aravindg@xxxxxxxxxxxxxx>
> ---
> Resend the patch-set with the same thread-id
> Resend in patch-set format and with dri-devel@xxxxxxxxxxxxxxxxxxxxx on
> the CC.
> drivers/gpu/drm/msm/Makefile | 1 +
> drivers/gpu/drm/msm/adreno/a4xx_gpu.c | 620
> +++++++++++++++++++++++++++++
> drivers/gpu/drm/msm/adreno/a4xx_gpu.h | 34 ++
> drivers/gpu/drm/msm/adreno/adreno_device.c | 13 +
> drivers/gpu/drm/msm/adreno/adreno_gpu.c | 2 +-
> drivers/gpu/drm/msm/adreno/adreno_gpu.h | 14 +-
> 6 files changed, 681 insertions(+), 3 deletions(-)
> create mode 100644 drivers/gpu/drm/msm/adreno/a4xx_gpu.c
> create mode 100644 drivers/gpu/drm/msm/adreno/a4xx_gpu.h
>
> diff --git a/drivers/gpu/drm/msm/Makefile b/drivers/gpu/drm/msm/Makefile
> index 20b7eda..21020f9 100644
> --- a/drivers/gpu/drm/msm/Makefile
> +++ b/drivers/gpu/drm/msm/Makefile
> @@ -7,6 +7,7 @@ msm-y := \
> adreno/adreno_device.o \
> adreno/adreno_gpu.o \
> adreno/a3xx_gpu.o \
> + adreno/a4xx_gpu.o \
> hdmi/hdmi.o \
> hdmi/hdmi_audio.o \
> hdmi/hdmi_bridge.o \
> diff --git a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c
> b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c
> new file mode 100644
> index 0000000..50cbaf4
> --- /dev/null
> +++ b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c
[snip]
> +#ifdef CONFIG_DEBUG_FS
> +static void a4xx_show(struct msm_gpu *gpu, struct seq_file *m)
> +{
> + struct drm_device *dev = gpu->dev;
> +
> + mutex_lock(&dev->struct_mutex);
so, probably something that was missed in the rebase, but struct_mutex
is acquired/dropped in show_locked() (in msm_drv.c) now.. so you need
to drop the mutex_lock/_unlock() here.
BR,
-R
> + gpu->funcs->pm_resume(gpu);
> +
> + seq_printf(m, "status: %08x\n",
> + gpu_read(gpu, REG_A4XX_RBBM_STATUS));
> + gpu->funcs->pm_suspend(gpu);
> +
> + adreno_show(gpu, m);
> +
> + mutex_unlock(&dev->struct_mutex);
> +}
> +#endif
> +
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