diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp_aux.c')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_aux.c | 114 |
1 files changed, 59 insertions, 55 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux.c b/drivers/gpu/drm/i915/display/intel_dp_aux.c index be58185a77c0..04a7acd7f73c 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_aux.c +++ b/drivers/gpu/drm/i915/display/intel_dp_aux.c @@ -18,12 +18,12 @@ #define AUX_CH_NAME_BUFSIZE 6 -static const char *aux_ch_name(struct drm_i915_private *i915, +static const char *aux_ch_name(struct intel_display *display, char *buf, int size, enum aux_ch aux_ch) { - if (DISPLAY_VER(i915) >= 13 && aux_ch >= AUX_CH_D_XELPD) + if (DISPLAY_VER(display) >= 13 && aux_ch >= AUX_CH_D_XELPD) snprintf(buf, size, "%c", 'A' + aux_ch - AUX_CH_D_XELPD + AUX_CH_D); - else if (DISPLAY_VER(i915) >= 12 && aux_ch >= AUX_CH_USBC1) + else if (DISPLAY_VER(display) >= 12 && aux_ch >= AUX_CH_USBC1) snprintf(buf, size, "USBC%c", '1' + aux_ch - AUX_CH_USBC1); else snprintf(buf, size, "%c", 'A' + aux_ch); @@ -56,17 +56,18 @@ static void intel_dp_aux_unpack(u32 src, u8 *dst, int dst_bytes) static u32 intel_dp_aux_wait_done(struct intel_dp *intel_dp) { - struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); i915_reg_t ch_ctl = intel_dp->aux_ch_ctl_reg(intel_dp); const unsigned int timeout_ms = 10; u32 status; int ret; - ret = intel_de_wait_custom(i915, ch_ctl, DP_AUX_CH_CTL_SEND_BUSY, 0, + ret = intel_de_wait_custom(display, ch_ctl, DP_AUX_CH_CTL_SEND_BUSY, + 0, 2, timeout_ms, &status); if (ret == -ETIMEDOUT) - drm_err(&i915->drm, + drm_err(display->drm, "%s: did not complete or timeout within %ums (status 0x%08x)\n", intel_dp->aux.name, timeout_ms, status); @@ -75,7 +76,7 @@ intel_dp_aux_wait_done(struct intel_dp *intel_dp) static u32 g4x_get_aux_clock_divider(struct intel_dp *intel_dp, int index) { - struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); if (index) return 0; @@ -84,12 +85,12 @@ static u32 g4x_get_aux_clock_divider(struct intel_dp *intel_dp, int index) * The clock divider is based off the hrawclk, and would like to run at * 2MHz. So, take the hrawclk value and divide by 2000 and use that */ - return DIV_ROUND_CLOSEST(RUNTIME_INFO(i915)->rawclk_freq, 2000); + return DIV_ROUND_CLOSEST(DISPLAY_RUNTIME_INFO(display)->rawclk_freq, 2000); } static u32 ilk_get_aux_clock_divider(struct intel_dp *intel_dp, int index) { - struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); u32 freq; @@ -102,15 +103,16 @@ static u32 ilk_get_aux_clock_divider(struct intel_dp *intel_dp, int index) * divide by 2000 and use that */ if (dig_port->aux_ch == AUX_CH_A) - freq = i915->display.cdclk.hw.cdclk; + freq = display->cdclk.hw.cdclk; else - freq = RUNTIME_INFO(i915)->rawclk_freq; + freq = DISPLAY_RUNTIME_INFO(display)->rawclk_freq; return DIV_ROUND_CLOSEST(freq, 2000); } static u32 hsw_get_aux_clock_divider(struct intel_dp *intel_dp, int index) { - struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); + struct drm_i915_private *i915 = to_i915(display->drm); struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); if (dig_port->aux_ch != AUX_CH_A && HAS_PCH_LPT_H(i915)) { @@ -201,8 +203,8 @@ static u32 skl_get_aux_send_ctl(struct intel_dp *intel_dp, int send_bytes, u32 unused) { + struct intel_display *display = to_intel_display(intel_dp); struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); u32 ret; /* @@ -227,7 +229,7 @@ static u32 skl_get_aux_send_ctl(struct intel_dp *intel_dp, * Power request bit is already set during aux power well enable. * Preserve the bit across aux transactions. */ - if (DISPLAY_VER(i915) >= 14) + if (DISPLAY_VER(display) >= 14) ret |= XELPDP_DP_AUX_CH_CTL_POWER_REQUEST; return ret; @@ -239,6 +241,7 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp, u8 *recv, int recv_size, u32 aux_send_ctl_flags) { + struct intel_display *display = to_intel_display(intel_dp); struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); struct intel_encoder *encoder = &dig_port->base; struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); @@ -297,7 +300,7 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp, /* Try to wait for any previous AUX channel activity */ for (try = 0; try < 3; try++) { - status = intel_de_read_notrace(i915, ch_ctl); + status = intel_de_read_notrace(display, ch_ctl); if ((status & DP_AUX_CH_CTL_SEND_BUSY) == 0) break; msleep(1); @@ -306,10 +309,10 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp, trace_i915_reg_rw(false, ch_ctl, status, sizeof(status), true); if (try == 3) { - const u32 status = intel_de_read(i915, ch_ctl); + const u32 status = intel_de_read(display, ch_ctl); if (status != intel_dp->aux_busy_last_status) { - drm_WARN(&i915->drm, 1, + drm_WARN(display->drm, 1, "%s: not started (status 0x%08x)\n", intel_dp->aux.name, status); intel_dp->aux_busy_last_status = status; @@ -320,7 +323,7 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp, } /* Only 5 data registers! */ - if (drm_WARN_ON(&i915->drm, send_bytes > 20 || recv_size > 20)) { + if (drm_WARN_ON(display->drm, send_bytes > 20 || recv_size > 20)) { ret = -E2BIG; goto out; } @@ -336,17 +339,17 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp, for (try = 0; try < 5; try++) { /* Load the send data into the aux channel data registers */ for (i = 0; i < send_bytes; i += 4) - intel_de_write(i915, ch_data[i >> 2], + intel_de_write(display, ch_data[i >> 2], intel_dp_aux_pack(send + i, send_bytes - i)); /* Send the command and wait for it to complete */ - intel_de_write(i915, ch_ctl, send_ctl); + intel_de_write(display, ch_ctl, send_ctl); status = intel_dp_aux_wait_done(intel_dp); /* Clear done status and any errors */ - intel_de_write(i915, ch_ctl, + intel_de_write(display, ch_ctl, status | DP_AUX_CH_CTL_DONE | DP_AUX_CH_CTL_TIME_OUT_ERROR | DP_AUX_CH_CTL_RECEIVE_ERROR); @@ -370,7 +373,7 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp, } if ((status & DP_AUX_CH_CTL_DONE) == 0) { - drm_err(&i915->drm, "%s: not done (status 0x%08x)\n", + drm_err(display->drm, "%s: not done (status 0x%08x)\n", intel_dp->aux.name, status); ret = -EBUSY; goto out; @@ -382,7 +385,7 @@ done: * not connected. */ if (status & DP_AUX_CH_CTL_RECEIVE_ERROR) { - drm_err(&i915->drm, "%s: receive error (status 0x%08x)\n", + drm_err(display->drm, "%s: receive error (status 0x%08x)\n", intel_dp->aux.name, status); ret = -EIO; goto out; @@ -393,7 +396,7 @@ done: * -- don't fill the kernel log with these */ if (status & DP_AUX_CH_CTL_TIME_OUT_ERROR) { - drm_dbg_kms(&i915->drm, "%s: timeout (status 0x%08x)\n", + drm_dbg_kms(display->drm, "%s: timeout (status 0x%08x)\n", intel_dp->aux.name, status); ret = -ETIMEDOUT; goto out; @@ -408,7 +411,7 @@ done: * drm layer takes care for the necessary retries. */ if (recv_bytes == 0 || recv_bytes > 20) { - drm_dbg_kms(&i915->drm, + drm_dbg_kms(display->drm, "%s: Forbidden recv_bytes = %d on aux transaction\n", intel_dp->aux.name, recv_bytes); ret = -EBUSY; @@ -419,7 +422,7 @@ done: recv_bytes = recv_size; for (i = 0; i < recv_bytes; i += 4) - intel_dp_aux_unpack(intel_de_read(i915, ch_data[i >> 2]), + intel_dp_aux_unpack(intel_de_read(display, ch_data[i >> 2]), recv + i, recv_bytes - i); ret = recv_bytes; @@ -468,7 +471,7 @@ static ssize_t intel_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg) { struct intel_dp *intel_dp = container_of(aux, struct intel_dp, aux); - struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); u8 txbuf[20], rxbuf[20]; size_t txsize, rxsize; u32 flags = intel_dp_aux_xfer_flags(msg); @@ -483,10 +486,10 @@ intel_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg) txsize = msg->size ? HEADER_SIZE + msg->size : BARE_ADDRESS_SIZE; rxsize = 2; /* 0 or 1 data bytes */ - if (drm_WARN_ON(&i915->drm, txsize > 20)) + if (drm_WARN_ON(display->drm, txsize > 20)) return -E2BIG; - drm_WARN_ON(&i915->drm, !msg->buffer != !msg->size); + drm_WARN_ON(display->drm, !msg->buffer != !msg->size); if (msg->buffer) memcpy(txbuf + HEADER_SIZE, msg->buffer, msg->size); @@ -511,7 +514,7 @@ intel_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg) txsize = msg->size ? HEADER_SIZE : BARE_ADDRESS_SIZE; rxsize = msg->size + 1; - if (drm_WARN_ON(&i915->drm, rxsize > 20)) + if (drm_WARN_ON(display->drm, rxsize > 20)) return -E2BIG; ret = intel_dp_aux_xfer(intel_dp, txbuf, txsize, @@ -721,7 +724,7 @@ static i915_reg_t tgl_aux_data_reg(struct intel_dp *intel_dp, int index) static i915_reg_t xelpdp_aux_ctl_reg(struct intel_dp *intel_dp) { - struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); enum aux_ch aux_ch = dig_port->aux_ch; @@ -732,16 +735,16 @@ static i915_reg_t xelpdp_aux_ctl_reg(struct intel_dp *intel_dp) case AUX_CH_USBC2: case AUX_CH_USBC3: case AUX_CH_USBC4: - return XELPDP_DP_AUX_CH_CTL(i915, aux_ch); + return XELPDP_DP_AUX_CH_CTL(display, aux_ch); default: MISSING_CASE(aux_ch); - return XELPDP_DP_AUX_CH_CTL(i915, AUX_CH_A); + return XELPDP_DP_AUX_CH_CTL(display, AUX_CH_A); } } static i915_reg_t xelpdp_aux_data_reg(struct intel_dp *intel_dp, int index) { - struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); enum aux_ch aux_ch = dig_port->aux_ch; @@ -752,10 +755,10 @@ static i915_reg_t xelpdp_aux_data_reg(struct intel_dp *intel_dp, int index) case AUX_CH_USBC2: case AUX_CH_USBC3: case AUX_CH_USBC4: - return XELPDP_DP_AUX_CH_DATA(i915, aux_ch, index); + return XELPDP_DP_AUX_CH_DATA(display, aux_ch, index); default: MISSING_CASE(aux_ch); - return XELPDP_DP_AUX_CH_DATA(i915, AUX_CH_A, index); + return XELPDP_DP_AUX_CH_DATA(display, AUX_CH_A, index); } } @@ -769,19 +772,20 @@ void intel_dp_aux_fini(struct intel_dp *intel_dp) void intel_dp_aux_init(struct intel_dp *intel_dp) { - struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); + struct drm_i915_private *i915 = to_i915(display->drm); struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); struct intel_encoder *encoder = &dig_port->base; enum aux_ch aux_ch = dig_port->aux_ch; char buf[AUX_CH_NAME_BUFSIZE]; - if (DISPLAY_VER(i915) >= 14) { + if (DISPLAY_VER(display) >= 14) { intel_dp->aux_ch_ctl_reg = xelpdp_aux_ctl_reg; intel_dp->aux_ch_data_reg = xelpdp_aux_data_reg; - } else if (DISPLAY_VER(i915) >= 12) { + } else if (DISPLAY_VER(display) >= 12) { intel_dp->aux_ch_ctl_reg = tgl_aux_ctl_reg; intel_dp->aux_ch_data_reg = tgl_aux_data_reg; - } else if (DISPLAY_VER(i915) >= 9) { + } else if (DISPLAY_VER(display) >= 9) { intel_dp->aux_ch_ctl_reg = skl_aux_ctl_reg; intel_dp->aux_ch_data_reg = skl_aux_data_reg; } else if (HAS_PCH_SPLIT(i915)) { @@ -795,7 +799,7 @@ void intel_dp_aux_init(struct intel_dp *intel_dp) intel_dp->aux_ch_data_reg = g4x_aux_data_reg; } - if (DISPLAY_VER(i915) >= 9) + if (DISPLAY_VER(display) >= 9) intel_dp->get_aux_clock_divider = skl_get_aux_clock_divider; else if (IS_BROADWELL(i915) || IS_HASWELL(i915)) intel_dp->get_aux_clock_divider = hsw_get_aux_clock_divider; @@ -804,17 +808,17 @@ void intel_dp_aux_init(struct intel_dp *intel_dp) else intel_dp->get_aux_clock_divider = g4x_get_aux_clock_divider; - if (DISPLAY_VER(i915) >= 9) + if (DISPLAY_VER(display) >= 9) intel_dp->get_aux_send_ctl = skl_get_aux_send_ctl; else intel_dp->get_aux_send_ctl = g4x_get_aux_send_ctl; - intel_dp->aux.drm_dev = &i915->drm; + intel_dp->aux.drm_dev = display->drm; drm_dp_aux_init(&intel_dp->aux); /* Failure to allocate our preferred name is not critical */ intel_dp->aux.name = kasprintf(GFP_KERNEL, "AUX %s/%s", - aux_ch_name(i915, buf, sizeof(buf), aux_ch), + aux_ch_name(display, buf, sizeof(buf), aux_ch), encoder->base.name); intel_dp->aux.transfer = intel_dp_aux_transfer; @@ -823,10 +827,10 @@ void intel_dp_aux_init(struct intel_dp *intel_dp) static enum aux_ch default_aux_ch(struct intel_encoder *encoder) { - struct drm_i915_private *i915 = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); /* SKL has DDI E but no AUX E */ - if (DISPLAY_VER(i915) == 9 && encoder->port == PORT_E) + if (DISPLAY_VER(display) == 9 && encoder->port == PORT_E) return AUX_CH_A; return (enum aux_ch)encoder->port; @@ -836,10 +840,10 @@ static struct intel_encoder * get_encoder_by_aux_ch(struct intel_encoder *encoder, enum aux_ch aux_ch) { - struct drm_i915_private *i915 = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); struct intel_encoder *other; - for_each_intel_encoder(&i915->drm, other) { + for_each_intel_encoder(display->drm, other) { if (other == encoder) continue; @@ -855,7 +859,7 @@ get_encoder_by_aux_ch(struct intel_encoder *encoder, enum aux_ch intel_dp_aux_ch(struct intel_encoder *encoder) { - struct drm_i915_private *i915 = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); struct intel_encoder *other; const char *source; enum aux_ch aux_ch; @@ -876,23 +880,23 @@ enum aux_ch intel_dp_aux_ch(struct intel_encoder *encoder) other = get_encoder_by_aux_ch(encoder, aux_ch); if (other) { - drm_dbg_kms(&i915->drm, + drm_dbg_kms(display->drm, "[ENCODER:%d:%s] AUX CH %s already claimed by [ENCODER:%d:%s]\n", encoder->base.base.id, encoder->base.name, - aux_ch_name(i915, buf, sizeof(buf), aux_ch), + aux_ch_name(display, buf, sizeof(buf), aux_ch), other->base.base.id, other->base.name); return AUX_CH_NONE; } - drm_dbg_kms(&i915->drm, + drm_dbg_kms(display->drm, "[ENCODER:%d:%s] Using AUX CH %s (%s)\n", encoder->base.base.id, encoder->base.name, - aux_ch_name(i915, buf, sizeof(buf), aux_ch), source); + aux_ch_name(display, buf, sizeof(buf), aux_ch), source); return aux_ch; } -void intel_dp_aux_irq_handler(struct drm_i915_private *i915) +void intel_dp_aux_irq_handler(struct intel_display *display) { - wake_up_all(&i915->display.gmbus.wait_queue); + wake_up_all(&display->gmbus.wait_queue); } |