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Commit 65445992 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/dp: support version 4.0 of DP table 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent e592c73b

drivers/gpu/drm/nouveau/nouveau_bios.c

+2 −1
Original line number Diff line number Diff line
@@ -1144,7 +1144,8 @@ init_dp_condition(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) 
		break;

	case 1:

	case 2:

		if (!(entry[5] & cond))

		if ((table[0]  < 0x40 && !(entry[5] & cond)) ||

		    (table[0] == 0x40 && !(entry[4] & cond)))

			iexec->execute = false;

		break;

	case 5:

drivers/gpu/drm/nouveau/nouveau_dp.c

+11 −0
Original line number Diff line number Diff line
@@ -188,6 +188,7 @@ nouveau_dp_bios_data(struct drm_device *dev, struct dcb_entry *dcb, u8 **entry) 
	case 0x20:

	case 0x21:

	case 0x30:

	case 0x40:

		break;

	default:

		NV_ERROR(dev, "displayport table 0x%02x unknown\n", table[0]);
@@ -366,6 +367,10 @@ dp_set_downspread(struct drm_device *dev, struct dp_state *dp, bool enable) 
		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]);

		}

	}
@@ -380,6 +385,9 @@ dp_link_train_init(struct drm_device *dev, struct dp_state *dp) 
	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);
@@ -393,6 +401,9 @@ dp_link_train_fini(struct drm_device *dev, struct dp_state *dp) 
	if (table) {

		if (table[0] >= 0x20 && table[0] <= 0x30)

			script = ROM16(entry[8]);

		else

		if (table[0] == 0x40)

			script = ROM16(entry[7]);

	}



	nouveau_bios_run_init_table(dev, script, dp->dcb, dp->crtc);

drivers/gpu/drm/nouveau/nvd0_display.c

+6 −0
Original line number Diff line number Diff line
@@ -1226,6 +1226,11 @@ nvd0_sor_dp_train_adj(struct drm_device *dev, struct dcb_entry *dcb, 
		if (table[0] == 0x30) {

			config  = entry + table[4];

			config += table[5] * preem;

		} else

		if (table[0] == 0x40) {

			config  = table + table[1];

			config += table[2] * table[3];

			config += table[6] * preem;

		}

	}
@@ -1258,6 +1263,7 @@ nvd0_sor_dp_link_set(struct drm_device *dev, struct dcb_entry *dcb, int crtc, 
	table = nouveau_dp_bios_data(dev, dcb, &entry);

	if (table) {

		if      (table[0] == 0x30) entry = ROMPTR(dev, entry[10]);

		else if (table[0] == 0x40) entry = ROMPTR(dev, entry[9]);

		else                       entry = NULL;



		while (entry) {