[Intel-gfx] [PATCH 1/2] drm/i915/aux: add separate register macros and functions for VLV/CHV
Jani Nikula
jani.nikula at intel.com
Mon Oct 23 09:43:10 UTC 2023
On Thu, 12 Oct 2023, Nirmoy Das <nirmoy.das at linux.intel.com> wrote:
> On 10/11/2023 10:15 PM, Jani Nikula wrote:
>> Add separate macros for VLV/CHV registers without the implicit dev_priv,
>> and with the display MMIO base baked in.
>>
>> A number of implicitly used dev_priv local variables can be removed.
>>
>> Signed-off-by: Jani Nikula <jani.nikula at intel.com>
>
> Reviewed-by: Nirmoy Das <nirmoy.das at intel.com>
Thanks, both pushed to din.
>
>
>> ---
>> drivers/gpu/drm/i915/display/intel_dp_aux.c | 43 +++++++++++++++----
>> .../gpu/drm/i915/display/intel_dp_aux_regs.h | 14 +++---
>> drivers/gpu/drm/i915/gvt/handlers.c | 1 -
>> 3 files changed, 43 insertions(+), 15 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux.c b/drivers/gpu/drm/i915/display/intel_dp_aux.c
>> index 4431b6290c4c..c106598a78c5 100644
>> --- a/drivers/gpu/drm/i915/display/intel_dp_aux.c
>> +++ b/drivers/gpu/drm/i915/display/intel_dp_aux.c
>> @@ -531,9 +531,40 @@ intel_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg)
>> return ret;
>> }
>>
>> +static i915_reg_t vlv_aux_ctl_reg(struct intel_dp *intel_dp)
>> +{
>> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>> + enum aux_ch aux_ch = dig_port->aux_ch;
>> +
>> + switch (aux_ch) {
>> + case AUX_CH_B:
>> + case AUX_CH_C:
>> + case AUX_CH_D:
>> + return VLV_DP_AUX_CH_CTL(aux_ch);
>> + default:
>> + MISSING_CASE(aux_ch);
>> + return VLV_DP_AUX_CH_CTL(AUX_CH_B);
>> + }
>> +}
>> +
>> +static i915_reg_t vlv_aux_data_reg(struct intel_dp *intel_dp, int index)
>> +{
>> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>> + enum aux_ch aux_ch = dig_port->aux_ch;
>> +
>> + switch (aux_ch) {
>> + case AUX_CH_B:
>> + case AUX_CH_C:
>> + case AUX_CH_D:
>> + return VLV_DP_AUX_CH_DATA(aux_ch, index);
>> + default:
>> + MISSING_CASE(aux_ch);
>> + return VLV_DP_AUX_CH_DATA(AUX_CH_B, index);
>> + }
>> +}
>> +
>> static i915_reg_t g4x_aux_ctl_reg(struct intel_dp *intel_dp)
>> {
>> - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
>> struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>> enum aux_ch aux_ch = dig_port->aux_ch;
>>
>> @@ -550,7 +581,6 @@ static i915_reg_t g4x_aux_ctl_reg(struct intel_dp *intel_dp)
>>
>> static i915_reg_t g4x_aux_data_reg(struct intel_dp *intel_dp, int index)
>> {
>> - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
>> struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>> enum aux_ch aux_ch = dig_port->aux_ch;
>>
>> @@ -567,7 +597,6 @@ static i915_reg_t g4x_aux_data_reg(struct intel_dp *intel_dp, int index)
>>
>> static i915_reg_t ilk_aux_ctl_reg(struct intel_dp *intel_dp)
>> {
>> - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
>> struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>> enum aux_ch aux_ch = dig_port->aux_ch;
>>
>> @@ -586,7 +615,6 @@ static i915_reg_t ilk_aux_ctl_reg(struct intel_dp *intel_dp)
>>
>> static i915_reg_t ilk_aux_data_reg(struct intel_dp *intel_dp, int index)
>> {
>> - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
>> struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>> enum aux_ch aux_ch = dig_port->aux_ch;
>>
>> @@ -605,7 +633,6 @@ static i915_reg_t ilk_aux_data_reg(struct intel_dp *intel_dp, int index)
>>
>> static i915_reg_t skl_aux_ctl_reg(struct intel_dp *intel_dp)
>> {
>> - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
>> struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>> enum aux_ch aux_ch = dig_port->aux_ch;
>>
>> @@ -625,7 +652,6 @@ static i915_reg_t skl_aux_ctl_reg(struct intel_dp *intel_dp)
>>
>> static i915_reg_t skl_aux_data_reg(struct intel_dp *intel_dp, int index)
>> {
>> - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
>> struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>> enum aux_ch aux_ch = dig_port->aux_ch;
>>
>> @@ -645,7 +671,6 @@ static i915_reg_t skl_aux_data_reg(struct intel_dp *intel_dp, int index)
>>
>> static i915_reg_t tgl_aux_ctl_reg(struct intel_dp *intel_dp)
>> {
>> - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
>> struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>> enum aux_ch aux_ch = dig_port->aux_ch;
>>
>> @@ -668,7 +693,6 @@ static i915_reg_t tgl_aux_ctl_reg(struct intel_dp *intel_dp)
>>
>> static i915_reg_t tgl_aux_data_reg(struct intel_dp *intel_dp, int index)
>> {
>> - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
>> struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>> enum aux_ch aux_ch = dig_port->aux_ch;
>>
>> @@ -757,6 +781,9 @@ void intel_dp_aux_init(struct intel_dp *intel_dp)
>> } else if (HAS_PCH_SPLIT(dev_priv)) {
>> intel_dp->aux_ch_ctl_reg = ilk_aux_ctl_reg;
>> intel_dp->aux_ch_data_reg = ilk_aux_data_reg;
>> + } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
>> + intel_dp->aux_ch_ctl_reg = vlv_aux_ctl_reg;
>> + intel_dp->aux_ch_data_reg = vlv_aux_data_reg;
>> } else {
>> intel_dp->aux_ch_ctl_reg = g4x_aux_ctl_reg;
>> intel_dp->aux_ch_data_reg = g4x_aux_data_reg;
>> diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux_regs.h b/drivers/gpu/drm/i915/display/intel_dp_aux_regs.h
>> index 34f6e0a48ed2..e642445364d2 100644
>> --- a/drivers/gpu/drm/i915/display/intel_dp_aux_regs.h
>> +++ b/drivers/gpu/drm/i915/display/intel_dp_aux_regs.h
>> @@ -21,13 +21,14 @@
>> #define __xe2lpd_aux_ch_idx(aux_ch) \
>> (aux_ch >= AUX_CH_USBC1 ? aux_ch : AUX_CH_USBC4 + 1 + (aux_ch) - AUX_CH_A)
>>
>> -/* TODO: Remove implicit dev_priv */
>> -#define _DPA_AUX_CH_CTL (DISPLAY_MMIO_BASE(dev_priv) + 0x64010)
>> -#define _DPB_AUX_CH_CTL (DISPLAY_MMIO_BASE(dev_priv) + 0x64110)
>> +#define _DPA_AUX_CH_CTL 0x64010
>> +#define _DPB_AUX_CH_CTL 0x64110
>> #define _XELPDP_USBC1_AUX_CH_CTL 0x16f210
>> #define _XELPDP_USBC2_AUX_CH_CTL 0x16f410
>> #define DP_AUX_CH_CTL(aux_ch) _MMIO_PORT(aux_ch, _DPA_AUX_CH_CTL, \
>> _DPB_AUX_CH_CTL)
>> +#define VLV_DP_AUX_CH_CTL(aux_ch) _MMIO(VLV_DISPLAY_BASE + \
>> + _PORT(aux_ch, _DPA_AUX_CH_CTL, _DPB_AUX_CH_CTL))
>> #define _XELPDP_DP_AUX_CH_CTL(aux_ch) \
>> _MMIO(_PICK_EVEN_2RANGES(aux_ch, AUX_CH_USBC1, \
>> _DPA_AUX_CH_CTL, _DPB_AUX_CH_CTL, \
>> @@ -69,13 +70,14 @@
>> #define DP_AUX_CH_CTL_SYNC_PULSE_SKL_MASK REG_GENMASK(4, 0) /* skl+ */
>> #define DP_AUX_CH_CTL_SYNC_PULSE_SKL(c) REG_FIELD_PREP(DP_AUX_CH_CTL_SYNC_PULSE_SKL_MASK, (c) - 1)
>>
>> -/* TODO: Remove implicit dev_priv */
>> -#define _DPA_AUX_CH_DATA1 (DISPLAY_MMIO_BASE(dev_priv) + 0x64014)
>> -#define _DPB_AUX_CH_DATA1 (DISPLAY_MMIO_BASE(dev_priv) + 0x64114)
>> +#define _DPA_AUX_CH_DATA1 0x64014
>> +#define _DPB_AUX_CH_DATA1 0x64114
>> #define _XELPDP_USBC1_AUX_CH_DATA1 0x16f214
>> #define _XELPDP_USBC2_AUX_CH_DATA1 0x16f414
>> #define DP_AUX_CH_DATA(aux_ch, i) _MMIO(_PORT(aux_ch, _DPA_AUX_CH_DATA1, \
>> _DPB_AUX_CH_DATA1) + (i) * 4) /* 5 registers */
>> +#define VLV_DP_AUX_CH_DATA(aux_ch, i) _MMIO(VLV_DISPLAY_BASE + _PORT(aux_ch, _DPA_AUX_CH_DATA1, \
>> + _DPB_AUX_CH_DATA1) + (i) * 4) /* 5 registers */
>> #define _XELPDP_DP_AUX_CH_DATA(aux_ch, i) \
>> _MMIO(_PICK_EVEN_2RANGES(aux_ch, AUX_CH_USBC1, \
>> _DPA_AUX_CH_DATA1, _DPB_AUX_CH_DATA1, \
>> diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
>> index a9f7fa9b90bd..72addd8d380f 100644
>> --- a/drivers/gpu/drm/i915/gvt/handlers.c
>> +++ b/drivers/gpu/drm/i915/gvt/handlers.c
>> @@ -2576,7 +2576,6 @@ static int init_bdw_mmio_info(struct intel_gvt *gvt)
>>
>> static int init_skl_mmio_info(struct intel_gvt *gvt)
>> {
>> - struct drm_i915_private *dev_priv = gvt->gt->i915;
>> int ret;
>>
>> MMIO_DH(FORCEWAKE_RENDER_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write);
--
Jani Nikula, Intel
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