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SubjectRe: [Intel-gfx] [PATCH 4/7] drm/i915: Let panel power sequencing hardware do its job
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On Wed, 2 Nov 2011 09:23:10 -0700, Jesse Barnes <jbarnes@virtuousgeek.org> wrote:

> Note that PP_READY will incorrectly depend on some other register
> values, so in some configs the panel will happily power up even if
> PP_READY isn't set yet...

Here's the new version of that chunk:

@@ -906,32 +905,56 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
}
}

-static void ironlake_wait_panel_off(struct intel_dp *intel_dp)
+#define IDLE_ON_MASK (PP_ON | 0 | PP_SEQUENCE_MASK | 0 | PP_SEQUENCE_STATE_MASK)
+#define IDLE_ON_VALUE (PP_ON | 0 | PP_SEQUENCE_NONE | 0 | PP_SEQUENCE_STATE_ON_IDLE)
+
+#define IDLE_OFF_MASK (PP_ON | 0 | PP_SEQUENCE_MASK | 0 | PP_SEQUENCE_STATE_MASK)
+#define IDLE_OFF_VALUE (0 | 0 | PP_SEQUENCE_NONE | 0 | PP_SEQUENCE_STATE_OFF_IDLE)
+
+#define IDLE_CYCLE_MASK (PP_ON | 0 | PP_SEQUENCE_MASK | PP_CYCLE_DELAY_ACTIVE | PP_SEQUENCE_STATE_MASK)
+#define IDLE_CYCLE_VALUE (0 | 0 | PP_SEQUENCE_NONE | 0 | PP_SEQUENCE_STATE_OFF_IDLE)
+
+static void ironlake_wait_panel_status(struct intel_dp *intel_dp,
+ u32 mask,
+ u32 value)
{


--
keith.packard@intel.com
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