On Thu, 12 Sep 2013, Paulo Zanoni <[email protected]> wrote:
> From: Paulo Zanoni <[email protected]>
>
> Sometimes I see the "non asle set request??" message on my Haswell
> machine, so I decided to get the spec and see if some bits are missing
> from the mask. We do have some bits missing from the mask, so this
> patch adds them. But I still see the "non asle set request??" message
> on my machine :(
>
> Also use the proper ASLC name to indicate the registers we're talking
> about.
>
> Signed-off-by: Paulo Zanoni <[email protected]>
> ---
> drivers/gpu/drm/i915/intel_opregion.c | 33 ++++++++++++++++++++++-----------
> 1 file changed, 22 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_opregion.c
> b/drivers/gpu/drm/i915/intel_opregion.c
> index c4fb2ae..a01e0f8 100644
> --- a/drivers/gpu/drm/i915/intel_opregion.c
> +++ b/drivers/gpu/drm/i915/intel_opregion.c
> @@ -117,12 +117,17 @@ struct opregion_asle {
> #define ASLE_ARDY_READY (1 << 0)
> #define ASLE_ARDY_NOT_READY (0 << 0)
>
> -/* ASLE irq request bits */
> -#define ASLE_SET_ALS_ILLUM (1 << 0)
> -#define ASLE_SET_BACKLIGHT (1 << 1)
> -#define ASLE_SET_PFIT (1 << 2)
> -#define ASLE_SET_PWM_FREQ (1 << 3)
> -#define ASLE_REQ_MSK 0xf
> +/* ASLE Interrupt Command (ASLC) bits */
> +#define ASLC_SET_ALS_ILLUM (1 << 0)
> +#define ASLC_SET_BACKLIGHT (1 << 1)
> +#define ASLC_SET_PFIT (1 << 2)
> +#define ASLC_SET_PWM_FREQ (1 << 3)
> +#define ASLC_SUPPORTED_ROTATION_ANGLES (1 << 4)
> +#define ASLC_BUTTON_ARRAY (1 << 5)
> +#define ASLC_CONVERTIBLE_INDICATOR (1 << 6)
> +#define ASLC_DOCKING_INDICATOR (1 << 7)
> +#define ASLC_ISCT_STATE_CHANGE (1 << 8)
> +#define ASLC_REQ_MSK 0x1ff
While at it, please also s/ASLE/ASLC/ on the response bits, and add the
correspoinding response defines for the added bits above.
> /* response bits of ASLE irq request */
> #define ASLE_ALS_ILLUM_FAILED (1<<10)
> @@ -421,25 +426,31 @@ void intel_opregion_asle_intr(struct drm_device *dev)
> if (!asle)
> return;
>
> - asle_req = ioread32(&asle->aslc) & ASLE_REQ_MSK;
> + asle_req = ioread32(&asle->aslc) & ASLC_REQ_MSK;
>
> if (!asle_req) {
> DRM_DEBUG_DRIVER("non asle set request??\n");
Maybe we should log the original ioread32(&asle->aslc) in this case.
> return;
> }
>
> - if (asle_req & ASLE_SET_ALS_ILLUM)
> + if (asle_req & ASLC_SET_ALS_ILLUM)
> asle_stat |= asle_set_als_illum(dev, ioread32(&asle->alsi));
>
> - if (asle_req & ASLE_SET_BACKLIGHT)
> + if (asle_req & ASLC_SET_BACKLIGHT)
> asle_stat |= asle_set_backlight(dev, ioread32(&asle->bclp));
>
> - if (asle_req & ASLE_SET_PFIT)
> + if (asle_req & ASLC_SET_PFIT)
> asle_stat |= asle_set_pfit(dev, ioread32(&asle->pfit));
>
> - if (asle_req & ASLE_SET_PWM_FREQ)
> + if (asle_req & ASLC_SET_PWM_FREQ)
> asle_stat |= asle_set_pwm_freq(dev, ioread32(&asle->pfmb));
>
> + if (asle_req & (ASLC_SUPPORTED_ROTATION_ANGLES | ASLC_BUTTON_ARRAY |
> + ASLC_CONVERTIBLE_INDICATOR | ASLC_DOCKING_INDICATOR |
> + ASLC_ISCT_STATE_CHANGE)) {
> + DRM_DEBUG_DRIVER("ASLC interrupt not supported\n");
Should we report failure for these, similar to what everything other
than the backlight request do?
BR,
Jani.
> + }
> +
> iowrite32(asle_stat, &asle->aslc);
> }
>
> --
> 1.8.3.1
>
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--
Jani Nikula, Intel Open Source Technology Center
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