diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_dp.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_dp.c | 141 |
1 files changed, 41 insertions, 100 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_dp.c b/drivers/gpu/drm/nouveau/nouveau_dp.c index 978a108ba7a1..59838651ee8f 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dp.c +++ b/drivers/gpu/drm/nouveau/nouveau_dp.c @@ -30,60 +30,17 @@ #include "nouveau_encoder.h" #include "nouveau_crtc.h" +#include <core/class.h> + #include <subdev/gpio.h> #include <subdev/i2c.h> -u8 * -nouveau_dp_bios_data(struct drm_device *dev, struct dcb_output *dcb, u8 **entry) -{ - struct nouveau_drm *drm = nouveau_drm(dev); - struct bit_entry d; - u8 *table; - int i; - - if (bit_table(dev, 'd', &d)) { - NV_ERROR(drm, "BIT 'd' table not found\n"); - return NULL; - } - - if (d.version != 1) { - NV_ERROR(drm, "BIT 'd' table version %d unknown\n", d.version); - return NULL; - } - - table = ROMPTR(dev, d.data[0]); - if (!table) { - NV_ERROR(drm, "displayport table pointer invalid\n"); - return NULL; - } - - switch (table[0]) { - case 0x20: - case 0x21: - case 0x30: - case 0x40: - break; - default: - NV_ERROR(drm, "displayport table 0x%02x unknown\n", table[0]); - return NULL; - } - - for (i = 0; i < table[3]; i++) { - *entry = ROMPTR(dev, table[table[1] + (i * table[2])]); - if (*entry && bios_encoder_match(dcb, ROM32((*entry)[0]))) - return table; - } - - NV_ERROR(drm, "displayport encoder table not found\n"); - return NULL; -} - /****************************************************************************** * link training *****************************************************************************/ struct dp_state { struct nouveau_i2c_port *auxch; - struct dp_train_func *func; + struct nouveau_object *core; struct dcb_output *dcb; int crtc; u8 *dpcd; @@ -97,13 +54,20 @@ static void dp_set_link_config(struct drm_device *dev, struct dp_state *dp) { struct nouveau_drm *drm = nouveau_drm(dev); + struct dcb_output *dcb = dp->dcb; + const u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1); + const u32 moff = (dp->crtc << 3) | (link << 2) | or; u8 sink[2]; + u32 data; NV_DEBUG(drm, "%d lanes at %d KB/s\n", dp->link_nr, dp->link_bw); /* set desired link configuration on the source */ - dp->func->link_set(dev, dp->dcb, dp->crtc, dp->link_nr, dp->link_bw, - dp->dpcd[2] & DP_ENHANCED_FRAME_CAP); + data = ((dp->link_bw / 27000) << 8) | dp->link_nr; + if (dp->dpcd[2] & DP_ENHANCED_FRAME_CAP) + data |= NV94_DISP_SOR_DP_LNKCTL_FRAME_ENH; + + nv_call(dp->core, NV94_DISP_SOR_DP_LNKCTL + moff, data); /* inform the sink of the new configuration */ sink[0] = dp->link_bw / 27000; @@ -118,11 +82,14 @@ static void dp_set_training_pattern(struct drm_device *dev, struct dp_state *dp, u8 pattern) { struct nouveau_drm *drm = nouveau_drm(dev); + struct dcb_output *dcb = dp->dcb; + const u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1); + const u32 moff = (dp->crtc << 3) | (link << 2) | or; u8 sink_tp; NV_DEBUG(drm, "training pattern %d\n", pattern); - dp->func->train_set(dev, dp->dcb, pattern); + nv_call(dp->core, NV94_DISP_SOR_DP_TRAIN + moff, pattern); nv_rdaux(dp->auxch, DP_TRAINING_PATTERN_SET, &sink_tp, 1); sink_tp &= ~DP_TRAINING_PATTERN_MASK; @@ -134,6 +101,9 @@ static int dp_link_train_commit(struct drm_device *dev, struct dp_state *dp) { struct nouveau_drm *drm = nouveau_drm(dev); + struct dcb_output *dcb = dp->dcb; + const u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1); + const u32 moff = (dp->crtc << 3) | (link << 2) | or; int i; for (i = 0; i < dp->link_nr; i++) { @@ -148,7 +118,8 @@ dp_link_train_commit(struct drm_device *dev, struct dp_state *dp) dp->conf[i] |= DP_TRAIN_MAX_PRE_EMPHASIS_REACHED; NV_DEBUG(drm, "config lane %d %02x\n", i, dp->conf[i]); - dp->func->train_adj(dev, dp->dcb, i, lvsw, lpre); + + nv_call(dp->core, NV94_DISP_SOR_DP_DRVCTL(i) + moff, (lvsw << 8) | lpre); } return nv_wraux(dp->auxch, DP_TRAINING_LANE0_SET, dp->conf, 4); @@ -234,59 +205,32 @@ dp_link_train_eq(struct drm_device *dev, struct dp_state *dp) } static void -dp_set_downspread(struct drm_device *dev, struct dp_state *dp, bool enable) +dp_link_train_init(struct drm_device *dev, struct dp_state *dp, bool spread) { - u16 script = 0x0000; - u8 *entry, *table = nouveau_dp_bios_data(dev, dp->dcb, &entry); - if (table) { - if (table[0] >= 0x20 && table[0] <= 0x30) { - if (enable) script = ROM16(entry[12]); - else script = ROM16(entry[14]); - } else - if (table[0] == 0x40) { - if (enable) script = ROM16(entry[11]); - else script = ROM16(entry[13]); - } - } - - nouveau_bios_run_init_table(dev, script, dp->dcb, dp->crtc); -} - -static void -dp_link_train_init(struct drm_device *dev, struct dp_state *dp) -{ - u16 script = 0x0000; - u8 *entry, *table = nouveau_dp_bios_data(dev, dp->dcb, &entry); - if (table) { - if (table[0] >= 0x20 && table[0] <= 0x30) - script = ROM16(entry[6]); - else - if (table[0] == 0x40) - script = ROM16(entry[5]); - } - - nouveau_bios_run_init_table(dev, script, dp->dcb, dp->crtc); + struct dcb_output *dcb = dp->dcb; + const u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1); + const u32 moff = (dp->crtc << 3) | (link << 2) | or; + + nv_call(dp->core, NV94_DISP_SOR_DP_TRAIN + moff, (spread ? + NV94_DISP_SOR_DP_TRAIN_INIT_SPREAD_ON : + NV94_DISP_SOR_DP_TRAIN_INIT_SPREAD_OFF) | + NV94_DISP_SOR_DP_TRAIN_OP_INIT); } static void dp_link_train_fini(struct drm_device *dev, struct dp_state *dp) { - u16 script = 0x0000; - u8 *entry, *table = nouveau_dp_bios_data(dev, dp->dcb, &entry); - if (table) { - if (table[0] >= 0x20 && table[0] <= 0x30) - script = ROM16(entry[8]); - else - if (table[0] == 0x40) - script = ROM16(entry[7]); - } + struct dcb_output *dcb = dp->dcb; + const u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1); + const u32 moff = (dp->crtc << 3) | (link << 2) | or; - nouveau_bios_run_init_table(dev, script, dp->dcb, dp->crtc); + nv_call(dp->core, NV94_DISP_SOR_DP_TRAIN + moff, + NV94_DISP_SOR_DP_TRAIN_OP_FINI); } static bool nouveau_dp_link_train(struct drm_encoder *encoder, u32 datarate, - struct dp_train_func *func) + struct nouveau_object *core) { struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc); @@ -304,7 +248,7 @@ nouveau_dp_link_train(struct drm_encoder *encoder, u32 datarate, if (!dp.auxch) return false; - dp.func = func; + dp.core = core; dp.dcb = nv_encoder->dcb; dp.crtc = nv_crtc->index; dp.dpcd = nv_encoder->dp.dpcd; @@ -318,11 +262,8 @@ nouveau_dp_link_train(struct drm_encoder *encoder, u32 datarate, */ gpio->irq(gpio, 0, nv_connector->hpd, 0xff, false); - /* enable down-spreading, if possible */ - dp_set_downspread(dev, &dp, nv_encoder->dp.dpcd[3] & 1); - - /* execute pre-train script from vbios */ - dp_link_train_init(dev, &dp); + /* enable down-spreading and execute pre-train script from vbios */ + dp_link_train_init(dev, &dp, nv_encoder->dp.dpcd[3] & 1); /* start off at highest link rate supported by encoder and display */ while (*link_bw > nv_encoder->dp.link_bw) @@ -365,7 +306,7 @@ nouveau_dp_link_train(struct drm_encoder *encoder, u32 datarate, void nouveau_dp_dpms(struct drm_encoder *encoder, int mode, u32 datarate, - struct dp_train_func *func) + struct nouveau_object *core) { struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); struct nouveau_drm *drm = nouveau_drm(encoder->dev); @@ -385,7 +326,7 @@ nouveau_dp_dpms(struct drm_encoder *encoder, int mode, u32 datarate, nv_wraux(auxch, DP_SET_POWER, &status, 1); if (mode == DRM_MODE_DPMS_ON) - nouveau_dp_link_train(encoder, datarate, func); + nouveau_dp_link_train(encoder, datarate, core); } static void |