From: Laurent Pinchart Date: Mon, 7 Sep 2015 15:09:55 +0000 (+0300) Subject: drm: rcar-du: Output the DISP signal on the ODDF pin X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a5e18b2b7d5d9486c27142f0a76565954160ab3b;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git drm: rcar-du: Output the DISP signal on the ODDF pin The ODDF signal, output by default on the ODDF pin, isn't used on any board supported in the kernel. As the Gen3 Salvator-X board uses the ODDF pin as a DISP signal, hardcode that configuration in the driver. Use of the ODDF signal will be implemented later through proper DT-based configuration of the DU pins. Signed-off-by: Laurent Pinchart --- diff --git a/drivers/gpu/drm/rcar-du/rcar_du_group.c b/drivers/gpu/drm/rcar-du/rcar_du_group.c index 0e2b46dce563..144d1e0a7a4a 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_group.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_group.c @@ -44,6 +44,16 @@ void rcar_du_group_write(struct rcar_du_group *rgrp, u32 reg, u32 data) rcar_du_write(rgrp->dev, rgrp->mmio_offset + reg, data); } +static void rcar_du_group_setup_pins(struct rcar_du_group *rgrp) +{ + u32 defr6 = DEFR6_CODE | DEFR6_ODPM12_DISP; + + if (rgrp->num_crtcs > 1) + defr6 |= DEFR6_ODPM22_DISP; + + rcar_du_group_write(rgrp, DEFR6, defr6); +} + static void rcar_du_group_setup_defr8(struct rcar_du_group *rgrp) { u32 defr8 = DEFR8_CODE | DEFR8_DEFE8; @@ -71,6 +81,8 @@ static void rcar_du_group_setup(struct rcar_du_group *rgrp) rcar_du_group_write(rgrp, DEFR4, DEFR4_CODE); rcar_du_group_write(rgrp, DEFR5, DEFR5_CODE | DEFR5_DEFE5); + rcar_du_group_setup_pins(rgrp); + if (rcar_du_has(rgrp->dev, RCAR_DU_FEATURE_EXT_CTRL_REGS)) { rcar_du_group_setup_defr8(rgrp); diff --git a/drivers/gpu/drm/rcar-du/rcar_du_regs.h b/drivers/gpu/drm/rcar-du/rcar_du_regs.h index 95add71a33c8..2ccb1a241fc4 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_regs.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_regs.h @@ -187,7 +187,7 @@ #define DEFR6 0x000e8 #define DEFR6_CODE (0x7778 << 16) -#define DEFR6_ODPM22_D2SMR (0 << 10) +#define DEFR6_ODPM22_DSMR (0 << 10) #define DEFR6_ODPM22_DISP (2 << 10) #define DEFR6_ODPM22_CDE (3 << 10) #define DEFR6_ODPM22_MASK (3 << 10)