From: Deepak M Date: Wed, 9 Dec 2015 14:44:04 +0000 (+0530) Subject: drm/i915: dual link pipe selection for bxt X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=56c48978413ec5a22b960826948063cae5df5a5f;p=deliverable%2Flinux.git drm/i915: dual link pipe selection for bxt 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 Reviewed-by: Ville Syrjälä Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index ef16c4236d9f..7510d508e373 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -8102,9 +8102,7 @@ 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) #define _MIPIA_DATA_ADDRESS (dev_priv->mipi_mmio_base + 0xb108) #define _MIPIC_DATA_ADDRESS (dev_priv->mipi_mmio_base + 0xb908) diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index 25bdf1cbb5f9..4ab168dd36bf 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -885,21 +885,12 @@ 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); }