On Thu, 27 Sep 2012 19:13:04 +0530
Vijay Purushothaman <vijay.a.purushotha...@intel.com> wrote:
> m n tu register offset has changed in Valleyview. Also fixed DP limit
> frequencies.
>
> Signed-off-by: Vijay Purushothaman <vijay.a.purushotha...@intel.com>
> Signed-off-by: Ben Widawsky <benjamin.widaw...@intel.com>
> ---
> drivers/gpu/drm/i915/intel_display.c | 6 +++---
> drivers/gpu/drm/i915/intel_dp.c | 5 +++++
> 2 files changed, 8 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c
> b/drivers/gpu/drm/i915/intel_display.c
> index 947c97d..68828e7 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -393,10 +393,10 @@ static const intel_limit_t intel_limits_vlv_hdmi = {
> };
>
> static const intel_limit_t intel_limits_vlv_dp = {
> - .dot = { .min = 162000, .max = 270000 },
> - .vco = { .min = 5994000, .max = 4000000 },
> + .dot = { .min = 25000, .max = 270000 },
> + .vco = { .min = 4000000, .max = 6000000 },
> .n = { .min = 1, .max = 7 },
> - .m = { .min = 60, .max = 300 }, /* guess */
> + .m = { .min = 22, .max = 450 },
> .m1 = { .min = 2, .max = 3 },
> .m2 = { .min = 11, .max = 156 },
> .p = { .min = 10, .max = 30 },
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index de8092a..c111c3f 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -804,6 +804,11 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct
> drm_display_mode *mode,
> I915_WRITE(TRANSDATA_N1(pipe), m_n.gmch_n);
> I915_WRITE(TRANSDPLINK_M1(pipe), m_n.link_m);
> I915_WRITE(TRANSDPLINK_N1(pipe), m_n.link_n);
> + } else if (IS_VALLEYVIEW(dev)) {
> + I915_WRITE(PIPE_DATA_M1(pipe), TU_SIZE(m_n.tu) | m_n.gmch_m);
> + I915_WRITE(PIPE_DATA_N1(pipe), m_n.gmch_n);
> + I915_WRITE(PIPE_LINK_M1(pipe), m_n.link_m);
> + I915_WRITE(PIPE_LINK_N1(pipe), m_n.link_n);
> } else {
> I915_WRITE(PIPE_GMCH_DATA_M(pipe),
> ((m_n.tu - 1) << PIPE_GMCH_DATA_M_TU_SIZE_SHIFT) |
Acked-by: Jesse Barnes <jbar...@virtuousgeek.org>
--
Jesse Barnes, Intel Open Source Technology Center
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