From: Gaurav K Singh Date: Thu, 4 Dec 2014 05:28:52 +0000 (+0530) Subject: drm/i915: Enable DSI PLL for both DSI0 and DSI1 in case of dual link X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=58cf8887c94d8dfe42206af7de57163ce0f46cf2;p=linux-beck.git drm/i915: Enable DSI PLL for both DSI0 and DSI1 in case of dual link For Dual link MIPI Panels, dsipll clock for both DSI0 and DSI1 needs to be enabled. v2: Address review comments by Jani - Added wait time for PLL to be locked. v3: separate patch created for cck read for checking PLL to be locked Signed-off-by: Gaurav K Singh Signed-off-by: Shobhit Kumar Reviewed-by: Jani Nikula Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_dsi_pll.c b/drivers/gpu/drm/i915/intel_dsi_pll.c index fa7a6ca34cd6..636d72f7dd42 100644 --- a/drivers/gpu/drm/i915/intel_dsi_pll.c +++ b/drivers/gpu/drm/i915/intel_dsi_pll.c @@ -243,6 +243,9 @@ static void vlv_configure_dsi_pll(struct intel_encoder *encoder) dsi_mnp.dsi_pll_ctrl |= DSI_PLL_CLK_GATE_DSI0_DSIPLL; + if (intel_dsi->dual_link) + dsi_mnp.dsi_pll_ctrl |= DSI_PLL_CLK_GATE_DSI1_DSIPLL; + DRM_DEBUG_KMS("dsi pll div %08x, ctrl %08x\n", dsi_mnp.dsi_pll_div, dsi_mnp.dsi_pll_ctrl);