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authorUma Shankar <uma.shankar@intel.com>2017-02-08 16:20:51 +0530
committerJani Nikula <jani.nikula@intel.com>2017-02-15 17:32:57 +0200
commit06a20d2d2d4187b9bc1a4c2f62e989a97a086a76 (patch)
tree82cfb4f754f3f8644b4a1e0aa5abd0a0103053b9
parentdrm/i915: Check for platform specific GPIO config (diff)
downloadlinux-dev-06a20d2d2d4187b9bc1a4c2f62e989a97a086a76.tar.xz
linux-dev-06a20d2d2d4187b9bc1a4c2f62e989a97a086a76.zip
drm/i915: Fix PLL 8x/3 divider for MIPI video mode
MIPI Video Mode for high res panels (requiring dual link), need a 8X/3 divider to be programmed as 0x2. Modifying the same in this patch. Signed-off-by: Uma Shankar <uma.shankar@intel.com> Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1486551058-22596-3-git-send-email-vidya.srinivas@intel.com
-rw-r--r--drivers/gpu/drm/i915/intel_dsi_pll.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_dsi_pll.c b/drivers/gpu/drm/i915/intel_dsi_pll.c
index 61440e5c2563..3a7308681360 100644
--- a/drivers/gpu/drm/i915/intel_dsi_pll.c
+++ b/drivers/gpu/drm/i915/intel_dsi_pll.c
@@ -416,11 +416,7 @@ static void bxt_dsi_program_clocks(struct drm_device *dev, enum port port,
rx_div_lower = rx_div & RX_DIVIDER_BIT_1_2;
rx_div_upper = (rx_div & RX_DIVIDER_BIT_3_4) >> 2;
- /* As per bpsec program the 8/3X clock divider to the below value */
- if (dev_priv->vbt.dsi.config->is_cmd_mode)
- mipi_8by3_divider = 0x2;
- else
- mipi_8by3_divider = 0x3;
+ mipi_8by3_divider = 0x2;
tmp |= BXT_MIPI_8X_BY3_DIVIDER(port, mipi_8by3_divider);
tmp |= BXT_MIPI_TX_ESCLK_DIVIDER(port, tx_div);