Pipe is assigned based on the port, but it should be
based on current crtc. Correcting the same in this patch.
v2: Use macro BXT_PIPE_SELECT(pipe) (Daniel)
Signed-off-by: Deepak M <m.deepak@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_reg.h | 4 +---
drivers/gpu/drm/i915/intel_dsi.c | 15 +++------------
2 files changed, 4 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index fa72be9..91dbb32 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -8103,9 +8103,7 @@ enum skl_disp_power_wells {
#define RGB_FLIP_TO_BGR (1 << 2)
#define BXT_PIPE_SELECT_MASK (7 << 7)
-#define BXT_PIPE_SELECT_C (2 << 7)
-#define BXT_PIPE_SELECT_B (1 << 7)
-#define BXT_PIPE_SELECT_A (0 << 7)
+#define BXT_PIPE_SELECT(pipe) ((pipe) << 7)
/* BXT has dual link Z inversion overlap field */
#define BXT_PIXEL_OVERLAP_CNT_MASK (0xf << 10)
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index f5df49b..12cfcf5 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -898,21 +898,12 @@ static void intel_dsi_prepare(struct intel_encoder *intel_encoder)
I915_WRITE(MIPI_CTRL(port), tmp |
READ_REQUEST_PRIORITY_HIGH);
} else if (IS_BROXTON(dev)) {
- /*
- * FIXME:
- * BXT can connect any PIPE to any MIPI port.
- * Select the pipe based on the MIPI port read from
- * VBT for now. Pick PIPE A for MIPI port A and C
- * for port C.
- */
+ enum pipe pipe = intel_crtc->pipe;
+
tmp = I915_READ(MIPI_CTRL(port));
tmp &= ~BXT_PIPE_SELECT_MASK;
- if (port == PORT_A)
- tmp |= BXT_PIPE_SELECT_A;
- else if (port == PORT_C)
- tmp |= BXT_PIPE_SELECT_C;
-
+ tmp |= BXT_PIPE_SELECT(pipe);
I915_WRITE(MIPI_CTRL(port), tmp);
}
--
1.9.1
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