On Thu, 07 Apr 2016, Animesh Manna <animesh.manna@xxxxxxxxx> wrote:
> Guid is changed for bxt platform, so corrected the guid for bxt.
>
> Signed-off-by: Ananth Krishna R <ananth.krishna.r@xxxxxxxxx>
> Signed-off-by: Bharath K Veera <bharath.k.veera@xxxxxxxxx>
> Signed-off-by: Animesh Manna <animesh.manna@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_acpi.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_acpi.c b/drivers/gpu/drm/i915/intel_acpi.c
> index 8f3d672..8ba30b3 100644
> --- a/drivers/gpu/drm/i915/intel_acpi.c
> +++ b/drivers/gpu/drm/i915/intel_acpi.c
> @@ -17,7 +17,7 @@ static struct intel_dsm_priv {
> acpi_handle dhandle;
> } intel_dsm_priv;
>
> -static const u8 intel_dsm_guid[] = {
> +static u8 intel_dsm_guid[] = {
> 0xd3, 0x73, 0xd8, 0x7e,
> 0xd0, 0xc2,
> 0x4f, 0x4e,
> @@ -25,6 +25,9 @@ static const u8 intel_dsm_guid[] = {
> 0x0f, 0x13, 0x17, 0xb0, 0x1c, 0x2c
> };
>
> +static u8 intel_bxt_dsm_guid[] =
> + "3E5B41C6-EB1D-4260-9D15-C71FBADAE414";
> +
So I want both of these to be either in string form or in binary uuid
form, not a mixture. Having them in binary makes the code simpler, so
I'd go for that.
BR,
Jani.
> static char *intel_dsm_port_name(u8 id)
> {
> switch (id) {
> @@ -143,6 +146,9 @@ static bool intel_dsm_pci_probe(struct pci_dev *pdev)
>
> intel_dsm_priv.dhandle = dhandle;
>
> + if (IS_BROXTON(dev))
> + acpi_str_to_uuid(intel_bxt_dsm_guid, intel_dsm_guid);
> +
> if (acpi_check_dsm(dhandle, intel_dsm_guid, INTEL_DSM_REVISION_ID,
> 1 << INTEL_DSM_FN_PLATFORM_MUX_INFO))
> intel_dsm_platform_mux_info();
--
Jani Nikula, Intel Open Source Technology Center
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