On Wed, Nov 23, 2016 at 09:48:23PM +0530, Animesh Manna wrote:
> Guid is changed for bxt platform, so corrected the guid for bxt.
>
> v1: Initial version as RFC.
>
> v2: Based on review comment from Jani and David,
> have kept guid as binary format.
>
> 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 | 20 ++++++++++++++++++--
> 1 file changed, 18 insertions(+), 2 deletions(-)
> mode change 100644 => 100755 drivers/gpu/drm/i915/intel_acpi.c
>
> diff --git a/drivers/gpu/drm/i915/intel_acpi.c b/drivers/gpu/drm/i915/intel_acpi.c
> old mode 100644
> new mode 100755
3 people handled this patch and none complained about making
intel_acpi.c executable? What does happen when you try to execute it?
> index eb638a1..8c878ab
> --- a/drivers/gpu/drm/i915/intel_acpi.c
> +++ b/drivers/gpu/drm/i915/intel_acpi.c
> @@ -15,7 +15,7 @@
> acpi_handle dhandle;
> } intel_dsm_priv;
>
> -static const u8 intel_dsm_guid[] = {
> +static u8 intel_dsm_guid[] = {
Why drop the const?
> 0xd3, 0x73, 0xd8, 0x7e,
> 0xd0, 0xc2,
> 0x4f, 0x4e,
> @@ -23,6 +23,14 @@
> 0x0f, 0x13, 0x17, 0xb0, 0x1c, 0x2c
> };
>
> +static u8 intel_dsm_guid_bxt[] = {
Missing const.
> + 0xc6, 0x41, 0x5b, 0x3e,
> + 0x1d, 0xeb,
> + 0x60, 0x42,
> + 0x9d, 0x15,
> + 0xc7, 0x1f, 0xba, 0xda, 0xe4, 0x14
> +};
> +
> static char *intel_dsm_port_name(u8 id)
> {
> switch (id) {
> @@ -113,12 +121,20 @@ static void intel_dsm_platform_mux_info(void)
> static bool intel_dsm_pci_probe(struct pci_dev *pdev)
> {
> acpi_handle dhandle;
> + struct drm_device *dev = pci_get_drvdata(pdev);
> + struct drm_i915_private *dev_priv = dev->dev_private;
dev == dev_priv, just a rose by another name. Use to_i915();
> + u8 *guid;
Missing const.
>
> dhandle = ACPI_HANDLE(&pdev->dev);
> if (!dhandle)
> return false;
>
> - if (!acpi_check_dsm(dhandle, intel_dsm_guid, INTEL_DSM_REVISION_ID,
> + if (IS_BROXTON(dev_priv))
> + guid = intel_dsm_guid_bxt;
> + else
> + guid = intel_dsm_guid;
> +
> + if (!acpi_check_dsm(dhandle, guid, INTEL_DSM_REVISION_ID,
> 1 << INTEL_DSM_FN_PLATFORM_MUX_INFO)) {
> DRM_DEBUG_KMS("no _DSM method for intel device\n");
> return false;
> --
> 1.9.1
>
> _______________________________________________
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> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Chris Wilson, Intel Open Source Technology Centre
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