diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dsi_panel_vbt.c | 52 |
1 files changed, 34 insertions, 18 deletions
diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c index 576c730664e..90b2d0021f8 100644 --- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c +++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c @@ -113,14 +113,18 @@ static inline enum port intel_dsi_seq_port_to_port(u8 port) static const u8 *mipi_exec_send_packet(struct intel_dsi *intel_dsi, const u8 *data) { - u8 type, byte, mode, vc, seq_port; + struct mipi_dsi_device *dsi_device; + u8 type, flags, seq_port; u16 len; enum port port; - byte = *data++; - mode = (byte >> MIPI_TRANSFER_MODE_SHIFT) & 0x1; - vc = (byte >> MIPI_VIRTUAL_CHANNEL_SHIFT) & 0x3; - seq_port = (byte >> MIPI_PORT_SHIFT) & 0x3; + flags = *data++; + type = *data++; + + len = *((u16 *) data); + data += 2; + + seq_port = (flags >> MIPI_PORT_SHIFT) & 3; /* For DSI single link on Port A & C, the seq_port value which is * parsed from Sequence Block#53 of VBT has been set to 0 @@ -131,24 +135,29 @@ static const u8 *mipi_exec_send_packet(struct intel_dsi *intel_dsi, port = PORT_C; else port = intel_dsi_seq_port_to_port(seq_port); - /* LP or HS mode */ - intel_dsi->hs = mode; - /* get packet type and increment the pointer */ - type = *data++; + dsi_device = intel_dsi->dsi_hosts[port]->device; + if (!dsi_device) { + DRM_DEBUG_KMS("no dsi device for port %c\n", port_name(port)); + goto out; + } - len = *((u16 *) data); - data += 2; + if ((flags >> MIPI_TRANSFER_MODE_SHIFT) & 1) + dsi_device->mode_flags &= ~MIPI_DSI_MODE_LPM; + else + dsi_device->mode_flags |= MIPI_DSI_MODE_LPM; + + dsi_device->channel = (flags >> MIPI_VIRTUAL_CHANNEL_SHIFT) & 3; switch (type) { case MIPI_DSI_GENERIC_SHORT_WRITE_0_PARAM: - dsi_vc_generic_write_0(intel_dsi, vc, port); + mipi_dsi_generic_write(dsi_device, NULL, 0); break; case MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM: - dsi_vc_generic_write_1(intel_dsi, vc, *data, port); + mipi_dsi_generic_write(dsi_device, data, 1); break; case MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM: - dsi_vc_generic_write_2(intel_dsi, vc, *data, *(data + 1), port); + mipi_dsi_generic_write(dsi_device, data, 2); break; case MIPI_DSI_GENERIC_READ_REQUEST_0_PARAM: case MIPI_DSI_GENERIC_READ_REQUEST_1_PARAM: @@ -156,22 +165,23 @@ static const u8 *mipi_exec_send_packet(struct intel_dsi *intel_dsi, DRM_DEBUG_DRIVER("Generic Read not yet implemented or used\n"); break; case MIPI_DSI_GENERIC_LONG_WRITE: - dsi_vc_generic_write(intel_dsi, vc, data, len, port); + mipi_dsi_generic_write(dsi_device, data, len); break; case MIPI_DSI_DCS_SHORT_WRITE: - dsi_vc_dcs_write_0(intel_dsi, vc, *data, port); + mipi_dsi_dcs_write_buffer(dsi_device, data, 1); break; case MIPI_DSI_DCS_SHORT_WRITE_PARAM: - dsi_vc_dcs_write_1(intel_dsi, vc, *data, *(data + 1), port); + mipi_dsi_dcs_write_buffer(dsi_device, data, 2); break; case MIPI_DSI_DCS_READ: DRM_DEBUG_DRIVER("DCS Read not yet implemented or used\n"); break; case MIPI_DSI_DCS_LONG_WRITE: - dsi_vc_dcs_write(intel_dsi, vc, data, len, port); + mipi_dsi_dcs_write_buffer(dsi_device, data, len); break; } +out: data += len; return data; @@ -389,6 +399,7 @@ struct drm_panel *vbt_panel_init(struct intel_dsi *intel_dsi, u16 panel_id) u32 lp_to_hs_switch, hs_to_lp_switch; u32 pclk, computed_ddr; u16 burst_mode_ratio; + enum port port; DRM_DEBUG_KMS("\n"); @@ -662,5 +673,10 @@ struct drm_panel *vbt_panel_init(struct intel_dsi *intel_dsi, u16 panel_id) vbt_panel->panel.funcs = &vbt_panel_funcs; drm_panel_add(&vbt_panel->panel); + /* a regular driver would get the device in probe */ + for_each_dsi_port(port, intel_dsi->ports) { + mipi_dsi_attach(intel_dsi->dsi_hosts[port]->device); + } + return &vbt_panel->panel; } |