Hi Takashi,
Removing FW_LOADER_USER_HELPER_FALLBACK leads to a failure in our HQVDP
firmware execution.
Indeed, our firmware is not built-in. It is a proprietary firmware
uploaded into the file system that's why we need the
USER_HELPER_FALLBACK to be able to load it once file system is available.
BR
Vincent
On 10/19/2015 08:16 AM, Takashi Iwai wrote:
> The commit [4fdbc678fe4d: drm: sti: add HQVDP plane] added the select
> of CONFIG_FW_LOADER_USER_HELPER_FALLBACK by some unwritten reason.
> But this config is known to be harmful, and is present only for
> compatibility reason for an old exotic system that mandates udev
> interaction which isn't supposed to be selected by a driver.
> Let's remove it.
>
> Fixes: 4fdbc678fe4d ('drm: sti: add HQVDP plane')
> Cc: <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
> ---
> drivers/gpu/drm/sti/Kconfig | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/sti/Kconfig b/drivers/gpu/drm/sti/Kconfig
> index fbccc105819b..a18159074b76 100644
> --- a/drivers/gpu/drm/sti/Kconfig
> +++ b/drivers/gpu/drm/sti/Kconfig
> @@ -6,7 +6,6 @@ config DRM_STI
> select DRM_GEM_CMA_HELPER
> select DRM_KMS_CMA_HELPER
> select DRM_PANEL
> - select FW_LOADER_USER_HELPER_FALLBACK
> help
> Choose this option to enable DRM on STM stiH41x chipset
>
>
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