From 0b36fc93378991afe667bbc37c7c634cb182c290 Mon Sep 17 00:00:00 2001 From: Paulo Zanoni Date: Mon, 18 Feb 2013 19:00:25 -0300 Subject: [PATCH] drm/i915: add aux_ch_ctl_reg to struct intel_dp This way we can remove some duplicated code and avoid more mistakes and regressions with these registers in the future. Signed-off-by: Paulo Zanoni Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_dp.c | 66 ++++++++++---------------------- drivers/gpu/drm/i915/intel_drv.h | 1 + 2 files changed, 22 insertions(+), 45 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 00bc79f03039..0e2750cf85ef 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -328,29 +328,10 @@ intel_dp_aux_wait_done(struct intel_dp *intel_dp, bool has_aux_irq) struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); struct drm_device *dev = intel_dig_port->base.base.dev; struct drm_i915_private *dev_priv = dev->dev_private; - uint32_t ch_ctl = intel_dp->output_reg + 0x10; + uint32_t ch_ctl = intel_dp->aux_ch_ctl_reg; uint32_t status; bool done; - if (HAS_DDI(dev)) { - switch (intel_dig_port->port) { - case PORT_A: - ch_ctl = DPA_AUX_CH_CTL; - break; - case PORT_B: - ch_ctl = PCH_DPB_AUX_CH_CTL; - break; - case PORT_C: - ch_ctl = PCH_DPC_AUX_CH_CTL; - break; - case PORT_D: - ch_ctl = PCH_DPD_AUX_CH_CTL; - break; - default: - BUG(); - } - } - #define C (((status = I915_READ_NOTRACE(ch_ctl)) & DP_AUX_CH_CTL_SEND_BUSY) == 0) if (has_aux_irq) done = wait_event_timeout(dev_priv->gmbus_wait_queue, C, @@ -370,11 +351,10 @@ intel_dp_aux_ch(struct intel_dp *intel_dp, uint8_t *send, int send_bytes, uint8_t *recv, int recv_size) { - uint32_t output_reg = intel_dp->output_reg; struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); struct drm_device *dev = intel_dig_port->base.base.dev; struct drm_i915_private *dev_priv = dev->dev_private; - uint32_t ch_ctl = output_reg + 0x10; + uint32_t ch_ctl = intel_dp->aux_ch_ctl_reg; uint32_t ch_data = ch_ctl + 4; int i, ret, recv_bytes; uint32_t status; @@ -388,29 +368,6 @@ intel_dp_aux_ch(struct intel_dp *intel_dp, */ pm_qos_update_request(&dev_priv->pm_qos, 0); - if (HAS_DDI(dev)) { - switch (intel_dig_port->port) { - case PORT_A: - ch_ctl = DPA_AUX_CH_CTL; - ch_data = DPA_AUX_CH_DATA1; - break; - case PORT_B: - ch_ctl = PCH_DPB_AUX_CH_CTL; - ch_data = PCH_DPB_AUX_CH_DATA1; - break; - case PORT_C: - ch_ctl = PCH_DPC_AUX_CH_CTL; - ch_data = PCH_DPC_AUX_CH_DATA1; - break; - case PORT_D: - ch_ctl = PCH_DPD_AUX_CH_CTL; - ch_data = PCH_DPD_AUX_CH_DATA1; - break; - default: - BUG(); - } - } - intel_dp_check_edp(intel_dp); /* The clock divider is based off the hrawclk, * and would like to run at 2MHz. So, take the @@ -2832,6 +2789,25 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, else intel_connector->get_hw_state = intel_connector_get_hw_state; + intel_dp->aux_ch_ctl_reg = intel_dp->output_reg + 0x10; + if (HAS_DDI(dev)) { + switch (intel_dig_port->port) { + case PORT_A: + intel_dp->aux_ch_ctl_reg = DPA_AUX_CH_CTL; + break; + case PORT_B: + intel_dp->aux_ch_ctl_reg = PCH_DPB_AUX_CH_CTL; + break; + case PORT_C: + intel_dp->aux_ch_ctl_reg = PCH_DPC_AUX_CH_CTL; + break; + case PORT_D: + intel_dp->aux_ch_ctl_reg = PCH_DPD_AUX_CH_CTL; + break; + default: + BUG(); + } + } /* Set up the DDC bus. */ switch (port) { diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index febed9a010da..f21e22612bd8 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -366,6 +366,7 @@ struct intel_hdmi { struct intel_dp { uint32_t output_reg; + uint32_t aux_ch_ctl_reg; uint32_t DP; uint8_t link_configuration[DP_LINK_CONFIGURATION_SIZE]; bool has_audio; -- 2.39.5