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authorHans de Goede <hdegoede@redhat.com>2017-02-28 11:26:19 +0200
committerJani Nikula <jani.nikula@intel.com>2017-02-28 12:47:03 +0200
commit14be7a5c29c2bf3b9567da1e41a514c4bbcdacdf (patch)
treefa859246c39f3c89c7b0b8e85005186bc30d89d5 /drivers/gpu/drm/i915/intel_dsi.c
parentc7991ecad6a99664506cf290118ecec985854011 (diff)
drm/i915/dsi: Move intel_dsi_clear_device_ready()
Move the intel_dsi_clear_device_ready() function to higher up in intel_dsi.c this pairs it with intel_dsi_device_ready(); and pairs intel_dsi_*enable* with intel_dsi_*disable without intel_dsi_clear_device_ready() sitting in the middle of them. This commit purely moves code around, it does not make any changes what-so-ever. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Bob Paauwe <bob.j.paauwe@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/f971d18ea6d350890447860aeb541dba072a6e47.1488273823.git.jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dsi.c')
-rw-r--r--drivers/gpu/drm/i915/intel_dsi.c86
1 files changed, 43 insertions, 43 deletions
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index 1f839a837e9c..4cca31061a6f 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -433,6 +433,49 @@ static void intel_dsi_device_ready(struct intel_encoder *encoder)
bxt_dsi_device_ready(encoder);
}
+static void intel_dsi_clear_device_ready(struct intel_encoder *encoder)
+{
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+ enum port port;
+
+ DRM_DEBUG_KMS("\n");
+ for_each_dsi_port(port, intel_dsi->ports) {
+ /* Common bit for both MIPI Port A & MIPI Port C on VLV/CHV */
+ i915_reg_t port_ctrl = IS_GEN9_LP(dev_priv) ?
+ BXT_MIPI_PORT_CTRL(port) : MIPI_PORT_CTRL(PORT_A);
+ u32 val;
+
+ I915_WRITE(MIPI_DEVICE_READY(port), DEVICE_READY |
+ ULPS_STATE_ENTER);
+ usleep_range(2000, 2500);
+
+ I915_WRITE(MIPI_DEVICE_READY(port), DEVICE_READY |
+ ULPS_STATE_EXIT);
+ usleep_range(2000, 2500);
+
+ I915_WRITE(MIPI_DEVICE_READY(port), DEVICE_READY |
+ ULPS_STATE_ENTER);
+ usleep_range(2000, 2500);
+
+ /* Wait till Clock lanes are in LP-00 state for MIPI Port A
+ * only. MIPI Port C has no similar bit for checking
+ */
+ if (intel_wait_for_register(dev_priv,
+ port_ctrl, AFE_LATCHOUT, 0,
+ 30))
+ DRM_ERROR("DSI LP not going Low\n");
+
+ /* Disable MIPI PHY transparent latch */
+ val = I915_READ(port_ctrl);
+ I915_WRITE(port_ctrl, val & ~LP_OUTPUT_HOLD);
+ usleep_range(1000, 1500);
+
+ I915_WRITE(MIPI_DEVICE_READY(port), 0x00);
+ usleep_range(2000, 2500);
+ }
+}
+
static void intel_dsi_port_enable(struct intel_encoder *encoder)
{
struct drm_device *dev = encoder->base.dev;
@@ -621,49 +664,6 @@ static void intel_dsi_pre_disable(struct intel_encoder *encoder,
}
}
-static void intel_dsi_clear_device_ready(struct intel_encoder *encoder)
-{
- struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
- struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
- enum port port;
-
- DRM_DEBUG_KMS("\n");
- for_each_dsi_port(port, intel_dsi->ports) {
- /* Common bit for both MIPI Port A & MIPI Port C on VLV/CHV */
- i915_reg_t port_ctrl = IS_GEN9_LP(dev_priv) ?
- BXT_MIPI_PORT_CTRL(port) : MIPI_PORT_CTRL(PORT_A);
- u32 val;
-
- I915_WRITE(MIPI_DEVICE_READY(port), DEVICE_READY |
- ULPS_STATE_ENTER);
- usleep_range(2000, 2500);
-
- I915_WRITE(MIPI_DEVICE_READY(port), DEVICE_READY |
- ULPS_STATE_EXIT);
- usleep_range(2000, 2500);
-
- I915_WRITE(MIPI_DEVICE_READY(port), DEVICE_READY |
- ULPS_STATE_ENTER);
- usleep_range(2000, 2500);
-
- /* Wait till Clock lanes are in LP-00 state for MIPI Port A
- * only. MIPI Port C has no similar bit for checking
- */
- if (intel_wait_for_register(dev_priv,
- port_ctrl, AFE_LATCHOUT, 0,
- 30))
- DRM_ERROR("DSI LP not going Low\n");
-
- /* Disable MIPI PHY transparent latch */
- val = I915_READ(port_ctrl);
- I915_WRITE(port_ctrl, val & ~LP_OUTPUT_HOLD);
- usleep_range(1000, 1500);
-
- I915_WRITE(MIPI_DEVICE_READY(port), 0x00);
- usleep_range(2000, 2500);
- }
-}
-
static void intel_dsi_post_disable(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config,
struct drm_connector_state *conn_state)