Message ID | 1417949035-32199-4-git-send-email-gaurav.k.singh@intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Sun, 07 Dec 2014, Gaurav K Singh <gaurav.k.singh@intel.com> wrote: > Common bit to be used for both DSI Port A & DSI Port C. > > Signed-off-by: Gaurav K Singh <gaurav.k.singh@intel.com> At some point I'd like to have the bits specific to port A only extracted outside of the for loop, but this is fine for now. Reviewed-by: Jani Nikula <jani.nikula@intel.com> > --- > drivers/gpu/drm/i915/intel_dsi.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c > index 8f8b952..215d004 100644 > --- a/drivers/gpu/drm/i915/intel_dsi.c > +++ b/drivers/gpu/drm/i915/intel_dsi.c > @@ -177,7 +177,12 @@ static void intel_dsi_device_ready(struct intel_encoder *encoder) > usleep_range(2500, 3000); > > val = I915_READ(MIPI_PORT_CTRL(port)); > - I915_WRITE(MIPI_PORT_CTRL(port), val | LP_OUTPUT_HOLD); > + > + /* Enable MIPI PHY transparent latch > + * Common bit for both MIPI Port A & MIPI Port C > + * No similar bit in MIPI Port C reg > + */ > + I915_WRITE(MIPI_PORT_CTRL(PORT_A), val | LP_OUTPUT_HOLD); > usleep_range(1000, 1500); > > I915_WRITE(MIPI_DEVICE_READY(port), ULPS_STATE_EXIT); > -- > 1.7.9.5 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index 8f8b952..215d004 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -177,7 +177,12 @@ static void intel_dsi_device_ready(struct intel_encoder *encoder) usleep_range(2500, 3000); val = I915_READ(MIPI_PORT_CTRL(port)); - I915_WRITE(MIPI_PORT_CTRL(port), val | LP_OUTPUT_HOLD); + + /* Enable MIPI PHY transparent latch + * Common bit for both MIPI Port A & MIPI Port C + * No similar bit in MIPI Port C reg + */ + I915_WRITE(MIPI_PORT_CTRL(PORT_A), val | LP_OUTPUT_HOLD); usleep_range(1000, 1500); I915_WRITE(MIPI_DEVICE_READY(port), ULPS_STATE_EXIT);
Common bit to be used for both DSI Port A & DSI Port C. Signed-off-by: Gaurav K Singh <gaurav.k.singh@intel.com> --- drivers/gpu/drm/i915/intel_dsi.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)