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drm/i915/dsi: Configure DSI after enabling DSI pll
author
Ramalingam C
<ramalingam.c@intel.com>
Wed, 3 Feb 2016 12:50:46 +0000
(18:20 +0530)
committer
Jani Nikula
<jani.nikula@intel.com>
Thu, 4 Feb 2016 09:07:35 +0000
(11:07 +0200)
We need to enable DSI PLL before configuring the DSI registers.
This has worked before on BYT/CHV, but BXT is more fussy.
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Tested-by: Mika Kahola <mika.kahola@intel.com> # BXT
Tested-by: Jani Nikula <jani.nikula@intel.com> # BYT
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link:
http://patchwork.freedesktop.org/patch/msgid/1454503846-12103-1-git-send-email-ramalingam.c@intel.com
drivers/gpu/drm/i915/intel_dsi.c
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diff --git
a/drivers/gpu/drm/i915/intel_dsi.c
b/drivers/gpu/drm/i915/intel_dsi.c
index
91cef35
..
378f879
100644
(file)
--- a/
drivers/gpu/drm/i915/intel_dsi.c
+++ b/
drivers/gpu/drm/i915/intel_dsi.c
@@
-478,8
+478,8
@@
static void intel_dsi_pre_enable(struct intel_encoder *encoder)
DRM_DEBUG_KMS("\n");
- intel_dsi_prepare(encoder);
intel_enable_dsi_pll(encoder);
+ intel_dsi_prepare(encoder);
/* Panel Enable over CRC PMIC */
if (intel_dsi->gpio_panel)