[Intel-gfx] [PATCH 01/10] drm/i915/bios: Allow DSI ports to be parsed by parse_ddi_port()

José Roberto de Souza
2021-07-22T05:39:27Z

Allow MIPI DSI ports to be parsed like any other DDI port.
This will be helpful to integrate into just one function the parse of
information about integrated panels(eDP and DSI).

Allow MIPI DSI ports to be parsed to be parsed like any other DDI
port.
This will be helpful to integrate into just one function the parse of
information about integrated panels(eDP and DSI).

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
---
drivers/gpu/drm/i915/display/intel_bios.c | 22 +++++++++++++++-------
1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index 5b6922e28ef28..5bc2c944d99b4 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -1709,10 +1709,10 @@ static enum port dvo_port_to_port(struct drm_i915_private *i915,
* so look for all the possible values for each port.
*/
static const int port_mapping[][3] = {
- [PORT_A] = { DVO_PORT_HDMIA, DVO_PORT_DPA, -1 },
- [PORT_B] = { DVO_PORT_HDMIB, DVO_PORT_DPB, -1 },
- [PORT_C] = { DVO_PORT_HDMIC, DVO_PORT_DPC, -1 },
- [PORT_D] = { DVO_PORT_HDMID, DVO_PORT_DPD, -1 },
+ [PORT_A] = { DVO_PORT_HDMIA, DVO_PORT_DPA, DVO_PORT_MIPIA },
+ [PORT_B] = { DVO_PORT_HDMIB, DVO_PORT_DPB, DVO_PORT_MIPIB },
+ [PORT_C] = { DVO_PORT_HDMIC, DVO_PORT_DPC, DVO_PORT_MIPIC },
+ [PORT_D] = { DVO_PORT_HDMID, DVO_PORT_DPD, DVO_PORT_MIPID },
[PORT_E] = { DVO_PORT_HDMIE, DVO_PORT_DPE, DVO_PORT_CRT },
[PORT_F] = { DVO_PORT_HDMIF, DVO_PORT_DPF, -1 },
[PORT_G] = { DVO_PORT_HDMIG, DVO_PORT_DPG, -1 },
@@ -1868,6 +1868,12 @@ intel_bios_encoder_supports_edp(const struct intel_bios_encoder_data *devdata)
devdata->child.device_type & DEVICE_TYPE_INTERNAL_CONNECTOR;
}

+static bool
+intel_bios_encoder_supports_dsi(const struct intel_bios_encoder_data *devdata)
+{
+ return devdata->child.device_type & DEVICE_TYPE_MIPI_OUTPUT;
+}
+
static bool is_port_valid(struct drm_i915_private *i915, enum port port)
{
/*
@@ -1886,7 +1892,8 @@ static void parse_ddi_port(struct drm_i915_private *i915,
{
const struct child_device_config *child = &devdata->child;
struct ddi_vbt_port_info *info;
- bool is_dvi, is_hdmi, is_dp, is_edp, is_crt, supports_typec_usb, supports_tbt;
+ bool is_dvi, is_hdmi, is_dp, is_edp, is_crt, supports_typec_usb;
+ bool supports_tbt, is_dsi;
int dp_boost_level, hdmi_boost_level;
enum port port;

@@ -1917,16 +1924,17 @@ static void parse_ddi_port(struct drm_i915_private *i915,
is_crt = intel_bios_encoder_supports_crt(devdata);
is_hdmi = intel_bios_encoder_supports_hdmi(devdata);
is_edp = intel_bios_encoder_supports_edp(devdata);
+ is_dsi = intel_bios_encoder_supports_dsi(devdata);

supports_typec_usb = intel_bios_encoder_supports_typec_usb(devdata);
supports_tbt = intel_bios_encoder_supports_tbt(devdata);

drm_dbg_kms(&i915->drm,
- "Port %c VBT info: CRT:%d DVI:%d HDMI:%d DP:%d eDP:%d LSPCON:%d USB-Type-C:%d TBT:%d DSC:%d\n",
+ "Port %c VBT info: CRT:%d DVI:%d HDMI:%d DP:%d eDP:%d LSPCON:%d USB-Type-C:%d TBT:%d DSC:%d DSI:%d\n",
port_name(port), is_crt, is_dvi, is_hdmi, is_dp, is_edp,
HAS_LSPCON(i915) && child->lspcon,
supports_typec_usb, supports_tbt,
- devdata->dsc != NULL);
+ devdata->dsc != NULL, is_dsi);

if (is_dvi) {
u8 ddc_pin;
--
2.32.0