diff options
| author | Marek Vasut <marek.vasut+renesas@mailbox.org> | 2025-10-29 00:28:12 +0100 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> | 2025-10-29 11:32:10 +0200 |
| commit | 4723455e4b893099f5a1892ef0df899a9341abab (patch) | |
| tree | 6e04fde27e056fb4d2e13a41b517e0cb3304e98e /drivers/gpu | |
| parent | 42bbf82b73bda18bbc3e158cb6fda040bb586feb (diff) | |
drm/rcar-du: dsi: Document TXVMSETR PIXWDTH as bitfield
The register TXVMSETR bitfield PIXWDTH is not a single bit, but a
bitfield. Add a MASK macro and document that the only allowed value
that can ever be written into the bitfield is the current value, 1.
No functional change.
Reviewed-by: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Link: https://patch.msgid.link/20251028232959.109936-3-marek.vasut+renesas@mailbox.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi_regs.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi_regs.h b/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi_regs.h index dd871e17dcf5..b8a719a13c00 100644 --- a/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi_regs.h +++ b/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi_regs.h @@ -143,7 +143,8 @@ #define TXVMSETR_SYNSEQ_PULSES (0 << 16) #define TXVMSETR_SYNSEQ_EVENTS (1 << 16) #define TXVMSETR_VSTPM (1 << 15) -#define TXVMSETR_PIXWDTH (1 << 8) +#define TXVMSETR_PIXWDTH_MASK (7 << 8) +#define TXVMSETR_PIXWDTH (1 << 8) /* Only allowed value */ #define TXVMSETR_VSEN_EN (1 << 4) #define TXVMSETR_VSEN_DIS (0 << 4) #define TXVMSETR_HFPBPEN_EN (1 << 2) |