diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_lspcon.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_lspcon.c | 49 |
1 files changed, 38 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c index f9db867fae89..9ceabbc981a1 100644 --- a/drivers/gpu/drm/i915/display/intel_lspcon.c +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c @@ -23,17 +23,21 @@ * */ +#include <linux/iopoll.h> + #include <drm/display/drm_dp_dual_mode_helper.h> #include <drm/display/drm_hdmi_helper.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_edid.h> +#include <drm/drm_print.h> -#include "i915_reg.h" #include "intel_de.h" +#include "intel_display_regs.h" #include "intel_display_types.h" +#include "intel_display_utils.h" #include "intel_dp.h" -#include "intel_lspcon.h" #include "intel_hdmi.h" +#include "intel_lspcon.h" /* LSPCON OUI Vendor ID(signatures) */ #define LSPCON_VENDOR_PARADE_OUI 0x001CF8 @@ -54,6 +58,11 @@ #define LSPCON_PARADE_AVI_IF_KICKOFF (1 << 7) #define LSPCON_PARADE_AVI_IF_DATA_SIZE 32 +static struct intel_lspcon *enc_to_intel_lspcon(struct intel_encoder *encoder) +{ + return &enc_to_dig_port(encoder)->lspcon; +} + static struct intel_dp *lspcon_to_intel_dp(struct intel_lspcon *lspcon) { struct intel_digital_port *dig_port = @@ -120,8 +129,9 @@ static u32 get_hdr_status_reg(struct intel_lspcon *lspcon) return DPCD_PARADE_LSPCON_HDR_STATUS; } -void lspcon_detect_hdr_capability(struct intel_lspcon *lspcon) +bool intel_lspcon_detect_hdr_capability(struct intel_digital_port *dig_port) { + struct intel_lspcon *lspcon = &dig_port->lspcon; struct intel_dp *intel_dp = lspcon_to_intel_dp(lspcon); struct intel_display *display = to_intel_display(intel_dp); u8 hdr_caps; @@ -137,6 +147,8 @@ void lspcon_detect_hdr_capability(struct intel_lspcon *lspcon) drm_dbg_kms(display->drm, "LSPCON capable of HDR\n"); lspcon->hdr_supported = true; } + + return lspcon->hdr_supported; } static enum drm_lspcon_mode lspcon_get_current_mode(struct intel_lspcon *lspcon) @@ -171,6 +183,8 @@ static enum drm_lspcon_mode lspcon_wait_mode(struct intel_lspcon *lspcon, struct intel_dp *intel_dp = lspcon_to_intel_dp(lspcon); struct intel_display *display = to_intel_display(intel_dp); enum drm_lspcon_mode current_mode; + int timeout_us; + int ret; current_mode = lspcon_get_current_mode(lspcon); if (current_mode == mode) @@ -179,9 +193,12 @@ static enum drm_lspcon_mode lspcon_wait_mode(struct intel_lspcon *lspcon, drm_dbg_kms(display->drm, "Waiting for LSPCON mode %s to settle\n", lspcon_mode_name(mode)); - wait_for((current_mode = lspcon_get_current_mode(lspcon)) == mode, - lspcon_get_mode_settle_timeout(lspcon)); - if (current_mode != mode) + timeout_us = lspcon_get_mode_settle_timeout(lspcon) * 1000; + + ret = poll_timeout_us(current_mode = lspcon_get_current_mode(lspcon), + current_mode == mode, + 5000, timeout_us, false); + if (ret) drm_err(display->drm, "LSPCON mode hasn't settled\n"); out: @@ -211,7 +228,8 @@ static int lspcon_change_mode(struct intel_lspcon *lspcon, return 0; } - err = drm_lspcon_set_mode(intel_dp->aux.drm_dev, ddc, mode); + err = drm_lspcon_set_mode(intel_dp->aux.drm_dev, ddc, mode, + lspcon_get_mode_settle_timeout(lspcon)); if (err < 0) { drm_err(display->drm, "LSPCON mode change failed\n"); return err; @@ -651,12 +669,14 @@ u32 lspcon_infoframes_enabled(struct intel_encoder *encoder, return val; } -void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon) +void intel_lspcon_wait_pcon_mode(struct intel_digital_port *dig_port) { + struct intel_lspcon *lspcon = &dig_port->lspcon; + lspcon_wait_mode(lspcon, DRM_LSPCON_MODE_PCON); } -bool lspcon_init(struct intel_digital_port *dig_port) +bool intel_lspcon_init(struct intel_digital_port *dig_port) { struct intel_display *display = to_intel_display(dig_port); struct intel_dp *intel_dp = &dig_port->dp; @@ -687,6 +707,13 @@ bool lspcon_init(struct intel_digital_port *dig_port) return true; } +bool intel_lspcon_active(struct intel_digital_port *dig_port) +{ + struct intel_lspcon *lspcon = &dig_port->lspcon; + + return lspcon->active; +} + u32 intel_lspcon_infoframes_enabled(struct intel_encoder *encoder, const struct intel_crtc_state *pipe_config) { @@ -695,7 +722,7 @@ u32 intel_lspcon_infoframes_enabled(struct intel_encoder *encoder, return dig_port->infoframes_enabled(encoder, pipe_config); } -void lspcon_resume(struct intel_digital_port *dig_port) +void intel_lspcon_resume(struct intel_digital_port *dig_port) { struct intel_display *display = to_intel_display(dig_port); struct intel_lspcon *lspcon = &dig_port->lspcon; @@ -705,7 +732,7 @@ void lspcon_resume(struct intel_digital_port *dig_port) return; if (!lspcon->active) { - if (!lspcon_init(dig_port)) { + if (!intel_lspcon_init(dig_port)) { drm_err(display->drm, "LSPCON init failed on port %c\n", port_name(dig_port->base.port)); return; |