[PATCH 1/3] drm/bridge: remove unneeded 'fast_io' parameter in regmap_config

From: Wolfram Sang

Date: Sun Jul 05 2026 - 12:38:09 EST


When using MMIO with regmap, fast_io is implied. No need to set it
again.

Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
---
No dependencies, can be applied directly to the subsystem tree. Buildbot is
happy, too.

drivers/gpu/drm/bridge/synopsys/dw-dp.c | 1 -
drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c | 1 -
2 files changed, 2 deletions(-)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-dp.c b/drivers/gpu/drm/bridge/synopsys/dw-dp.c
index 21541be094c4..d6907a97c7f5 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-dp.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-dp.c
@@ -1949,7 +1949,6 @@ static const struct regmap_config dw_dp_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
- .fast_io = true,
.max_register = DW_DP_MAX_REGISTER,
.rd_table = &dw_dp_readable_table,
};
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c
index b2a022d266d9..6b3de2b5ac80 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c
@@ -907,7 +907,6 @@ static const struct regmap_config dw_mipi_dsi2_regmap_config = {
.reg_bits = 32,
.val_bits = 32,
.reg_stride = 4,
- .fast_io = true,
};

static struct dw_mipi_dsi2 *
--
2.51.0