Hi Kieran,
Thank you for the patch.
On Thu, Sep 02, 2021 at 12:49:05AM +0100, Kieran Bingham wrote:
The DIDSR fields named LDCS were incorrectly defined as LCDS. Both the Gen2 and Gen3 documentation refer to the fields as the "LVDS Dot Clock Select".
Correct the definitions.
Signed-off-by: Kieran Bingham kieran.bingham@ideasonboard.com
Reviewed-by: Laurent Pinchart laurent.pinchart@ideasonboard.com
v2:
- New patch
drivers/gpu/drm/rcar-du/rcar_du_group.c | 4 ++-- drivers/gpu/drm/rcar-du/rcar_du_regs.h | 8 ++++---- 2 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_group.c b/drivers/gpu/drm/rcar-du/rcar_du_group.c index 88a783ceb3e9..a984eef265d2 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_group.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_group.c @@ -122,10 +122,10 @@ static void rcar_du_group_setup_didsr(struct rcar_du_group *rgrp) didsr = DIDSR_CODE; for (i = 0; i < num_crtcs; ++i, ++rcrtc) { if (rcdu->info->lvds_clk_mask & BIT(rcrtc->index))
didsr |= DIDSR_LCDS_LVDS0(i)
didsr |= DIDSR_LDCS_LVDS0(i) | DIDSR_PDCS_CLK(i, 0);
didsr |= DIDSR_LCDS_DCLKIN(i)
didsr |= DIDSR_LDCS_DCLKIN(i) | DIDSR_PDCS_CLK(i, 0);diff --git a/drivers/gpu/drm/rcar-du/rcar_du_regs.h b/drivers/gpu/drm/rcar-du/rcar_du_regs.h index fb9964949368..fb7c467aa484 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_regs.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_regs.h @@ -257,10 +257,10 @@
#define DIDSR 0x20028 #define DIDSR_CODE (0x7790 << 16) -#define DIDSR_LCDS_DCLKIN(n) (0 << (8 + (n) * 2)) -#define DIDSR_LCDS_LVDS0(n) (2 << (8 + (n) * 2)) -#define DIDSR_LCDS_LVDS1(n) (3 << (8 + (n) * 2)) -#define DIDSR_LCDS_MASK(n) (3 << (8 + (n) * 2)) +#define DIDSR_LDCS_DCLKIN(n) (0 << (8 + (n) * 2)) +#define DIDSR_LDCS_LVDS0(n) (2 << (8 + (n) * 2)) +#define DIDSR_LDCS_LVDS1(n) (3 << (8 + (n) * 2)) +#define DIDSR_LDCS_MASK(n) (3 << (8 + (n) * 2)) #define DIDSR_PDCS_CLK(n, clk) (clk << ((n) * 2)) #define DIDSR_PDCS_MASK(n) (3 << ((n) * 2))