From: Hans de Goede Date: Wed, 1 Mar 2017 13:14:58 +0000 (+0200) Subject: drm/i915/dsi: Drop bogus MIPI_SEQ_ASSERT_RESET before POWER_ON X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=19c17df3cb5e6a7f4cc2b8df63a9409c12c5a610;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git drm/i915/dsi: Drop bogus MIPI_SEQ_ASSERT_RESET before POWER_ON intel_dsi_post_disable(), which does the MIPI_SEQ_ASSERT_RESET, will always be called at some point before intel_dsi_pre_enable() making the MIPI_SEQ_ASSERT_RESET in intel_dsi_pre_enable() redundant. In addition, calling MIPI_SEQ_ASSERT_RESET in the enable path goes against the VBT spec. Signed-off-by: Hans de Goede Reviewed-by: Bob Paauwe Signed-off-by: Jani Nikula Link: http://patchwork.freedesktop.org/patch/msgid/1488374106-4949-3-git-send-email-jani.nikula@intel.com --- diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index 234592c62141..f9b0767ef073 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -811,7 +811,6 @@ static void intel_dsi_pre_enable(struct intel_encoder *encoder, /* put device in ready state */ intel_dsi_device_ready(encoder); - intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_ASSERT_RESET); intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_POWER_ON); intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_DEASSERT_RESET); intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_INIT_OTP);