drm/nouveau: Use fallthrough pseudo-keyword

Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.

[1] https://www.kernel.org/doc/html/latest/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

5 files changed, 9 insertions, 9 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dcb.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dcb.c
index a8d5d67feeaf..8698f260b988 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dcb.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dcb.c
@@ -172,8 +172,8 @@ dcb_outp_parse(struct nvkm_bios *bios, u8 idx, u8 *ver, u8 *len,
 					outp->dpconf.link_nr = 1;
 					break;
 				}
+				fallthrough;
 
-				/* fall-through... */
 			case DCB_OUTPUT_TMDS:
 			case DCB_OUTPUT_LVDS:
 				outp->link = (conf & 0x00000030) >> 4;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
index b099d1209be8..c694501ae206 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
@@ -100,7 +100,7 @@ nvbios_dpout_parse(struct nvkm_bios *bios, u8 idx,
 		switch (*ver) {
 		case 0x20:
 			info->mask |= 0x00c0; /* match any link */
-			/* fall-through */
+			fallthrough;
 		case 0x21:
 		case 0x30:
 			info->flags     = nvbios_rd08(bios, data + 0x05);
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/perf.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/perf.c
index 7112992e0e38..f039388f0676 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/perf.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/perf.c
@@ -135,7 +135,7 @@ nvbios_perfEp(struct nvkm_bios *bios, int idx,
 		break;
 	case 0x30:
 		info->script   = nvbios_rd16(bios, perf + 0x02);
-		/* fall through */
+		fallthrough;
 	case 0x35:
 		info->fanspeed = nvbios_rd08(bios, perf + 0x06);
 		info->voltage  = nvbios_rd08(bios, perf + 0x07);
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/pll.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/pll.c
index bda6cc9a7aaf..350f10a3de37 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/pll.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/pll.c
@@ -134,7 +134,7 @@ pll_map(struct nvkm_bios *bios)
 		    device->chipset == 0xaa ||
 		    device->chipset == 0xac)
 			return g84_pll_mapping;
-		/* fall through */
+		fallthrough;
 	default:
 		return NULL;
 	}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/timing.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/timing.c
index 20ff5173cf8f..2da45e29f68b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/timing.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/timing.c
@@ -115,21 +115,21 @@ nvbios_timingEp(struct nvkm_bios *bios, int idx,
 		switch (min_t(u8, *hdr, 25)) {
 		case 25:
 			p->timing_10_24  = nvbios_rd08(bios, data + 0x18);
-			/* fall through */
+			fallthrough;
 		case 24:
 		case 23:
 		case 22:
 			p->timing_10_21  = nvbios_rd08(bios, data + 0x15);
-			/* fall through */
+			fallthrough;
 		case 21:
 			p->timing_10_20  = nvbios_rd08(bios, data + 0x14);
-			/* fall through */
+			fallthrough;
 		case 20:
 			p->timing_10_CWL = nvbios_rd08(bios, data + 0x13);
-			/* fall through */
+			fallthrough;
 		case 19:
 			p->timing_10_18  = nvbios_rd08(bios, data + 0x12);
-			/* fall through */
+			fallthrough;
 		case 18:
 		case 17:
 			p->timing_10_16  = nvbios_rd08(bios, data + 0x10);