Hi Laurent,
Thank you for the patch,
On 25/11/2018 14:40, Laurent Pinchart wrote:
> The RCAR_DU_FEATURE_EXT_CTRL_REGS feature flag is missing for H1 only,
> which is a first generation device, not a second generation device as
> reported in the device information table. Fix the H1 generation and use
> generation checks to replace the feature flag.
Looks like a good simplification
> Signed-off-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+rene...@ideasonboard.com>
> ---
> drivers/gpu/drm/rcar-du/rcar_du_drv.c | 14 +-------------
> drivers/gpu/drm/rcar-du/rcar_du_drv.h | 7 +++----
> drivers/gpu/drm/rcar-du/rcar_du_group.c | 4 ++--
> 3 files changed, 6 insertions(+), 19 deletions(-)
-13 lines ... sounds like a (small) win :D
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> index 94f055186b95..814c1099dacb 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> @@ -35,7 +35,6 @@
> static const struct rcar_du_device_info rzg1_du_r8a7743_info = {
> .gen = 2,
> .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
> - | RCAR_DU_FEATURE_EXT_CTRL_REGS
> | RCAR_DU_FEATURE_INTERLACED
> | RCAR_DU_FEATURE_TVM_SYNC,
> .channels_mask = BIT(1) | BIT(0),
> @@ -58,7 +57,6 @@ static const struct rcar_du_device_info
> rzg1_du_r8a7743_info = {
> static const struct rcar_du_device_info rzg1_du_r8a7745_info = {
> .gen = 2,
> .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
> - | RCAR_DU_FEATURE_EXT_CTRL_REGS
> | RCAR_DU_FEATURE_INTERLACED
> | RCAR_DU_FEATURE_TVM_SYNC,
> .channels_mask = BIT(1) | BIT(0),
> @@ -80,7 +78,6 @@ static const struct rcar_du_device_info
> rzg1_du_r8a7745_info = {
> static const struct rcar_du_device_info rzg1_du_r8a77470_info = {
> .gen = 2,
> .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
> - | RCAR_DU_FEATURE_EXT_CTRL_REGS
> | RCAR_DU_FEATURE_INTERLACED
> | RCAR_DU_FEATURE_TVM_SYNC,
> .channels_mask = BIT(1) | BIT(0),
> @@ -105,7 +102,7 @@ static const struct rcar_du_device_info
> rzg1_du_r8a77470_info = {
> };
>
> static const struct rcar_du_device_info rcar_du_r8a7779_info = {
> - .gen = 2,
> + .gen = 1,
> .features = RCAR_DU_FEATURE_INTERLACED
> | RCAR_DU_FEATURE_TVM_SYNC,
> .channels_mask = BIT(1) | BIT(0),
> @@ -128,7 +125,6 @@ static const struct rcar_du_device_info
> rcar_du_r8a7779_info = {
> static const struct rcar_du_device_info rcar_du_r8a7790_info = {
> .gen = 2,
> .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
> - | RCAR_DU_FEATURE_EXT_CTRL_REGS
> | RCAR_DU_FEATURE_INTERLACED
> | RCAR_DU_FEATURE_TVM_SYNC,
> .quirks = RCAR_DU_QUIRK_ALIGN_128B,
> @@ -158,7 +154,6 @@ static const struct rcar_du_device_info
> rcar_du_r8a7790_info = {
> static const struct rcar_du_device_info rcar_du_r8a7791_info = {
> .gen = 2,
> .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
> - | RCAR_DU_FEATURE_EXT_CTRL_REGS
> | RCAR_DU_FEATURE_INTERLACED
> | RCAR_DU_FEATURE_TVM_SYNC,
> .channels_mask = BIT(1) | BIT(0),
> @@ -182,7 +177,6 @@ static const struct rcar_du_device_info
> rcar_du_r8a7791_info = {
> static const struct rcar_du_device_info rcar_du_r8a7792_info = {
> .gen = 2,
> .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
> - | RCAR_DU_FEATURE_EXT_CTRL_REGS
> | RCAR_DU_FEATURE_INTERLACED
> | RCAR_DU_FEATURE_TVM_SYNC,
> .channels_mask = BIT(1) | BIT(0),
> @@ -202,7 +196,6 @@ static const struct rcar_du_device_info
> rcar_du_r8a7792_info = {
> static const struct rcar_du_device_info rcar_du_r8a7794_info = {
> .gen = 2,
> .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
> - | RCAR_DU_FEATURE_EXT_CTRL_REGS
> | RCAR_DU_FEATURE_INTERLACED
> | RCAR_DU_FEATURE_TVM_SYNC,
> .channels_mask = BIT(1) | BIT(0),
> @@ -225,7 +218,6 @@ static const struct rcar_du_device_info
> rcar_du_r8a7794_info = {
> static const struct rcar_du_device_info rcar_du_r8a7795_info = {
> .gen = 3,
> .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
> - | RCAR_DU_FEATURE_EXT_CTRL_REGS
> | RCAR_DU_FEATURE_VSP1_SOURCE
> | RCAR_DU_FEATURE_INTERLACED
> | RCAR_DU_FEATURE_TVM_SYNC,
> @@ -259,7 +251,6 @@ static const struct rcar_du_device_info
> rcar_du_r8a7795_info = {
> static const struct rcar_du_device_info rcar_du_r8a7796_info = {
> .gen = 3,
> .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
> - | RCAR_DU_FEATURE_EXT_CTRL_REGS
> | RCAR_DU_FEATURE_VSP1_SOURCE
> | RCAR_DU_FEATURE_INTERLACED
> | RCAR_DU_FEATURE_TVM_SYNC,
> @@ -289,7 +280,6 @@ static const struct rcar_du_device_info
> rcar_du_r8a7796_info = {
> static const struct rcar_du_device_info rcar_du_r8a77965_info = {
> .gen = 3,
> .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
> - | RCAR_DU_FEATURE_EXT_CTRL_REGS
> | RCAR_DU_FEATURE_VSP1_SOURCE
> | RCAR_DU_FEATURE_INTERLACED
> | RCAR_DU_FEATURE_TVM_SYNC,
> @@ -319,7 +309,6 @@ static const struct rcar_du_device_info
> rcar_du_r8a77965_info = {
> static const struct rcar_du_device_info rcar_du_r8a77970_info = {
> .gen = 3,
> .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
> - | RCAR_DU_FEATURE_EXT_CTRL_REGS
> | RCAR_DU_FEATURE_VSP1_SOURCE
> | RCAR_DU_FEATURE_INTERLACED
> | RCAR_DU_FEATURE_TVM_SYNC,
> @@ -341,7 +330,6 @@ static const struct rcar_du_device_info
> rcar_du_r8a77970_info = {
> static const struct rcar_du_device_info rcar_du_r8a7799x_info = {
> .gen = 3,
> .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
> - | RCAR_DU_FEATURE_EXT_CTRL_REGS
> | RCAR_DU_FEATURE_VSP1_SOURCE,
> .channels_mask = BIT(1) | BIT(0),
> .routes = {
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h
> b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
> index 9f5563296c5a..8ef9165957cb 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
> @@ -24,10 +24,9 @@ struct drm_fbdev_cma;
> struct rcar_du_device;
>
> #define RCAR_DU_FEATURE_CRTC_IRQ_CLOCK BIT(0) /* Per-CRTC IRQ and
> clock */
> -#define RCAR_DU_FEATURE_EXT_CTRL_REGS BIT(1) /* Has extended control
> registers */
> -#define RCAR_DU_FEATURE_VSP1_SOURCE BIT(2) /* Has inputs from VSP1 */
> -#define RCAR_DU_FEATURE_INTERLACED BIT(3) /* HW supports interlaced */
> -#define RCAR_DU_FEATURE_TVM_SYNC BIT(4) /* Has TV switch/sync modes */
> +#define RCAR_DU_FEATURE_VSP1_SOURCE BIT(1) /* Has inputs from VSP1 */
> +#define RCAR_DU_FEATURE_INTERLACED BIT(2) /* HW supports interlaced */
> +#define RCAR_DU_FEATURE_TVM_SYNC BIT(3) /* Has TV switch/sync modes */
>
> #define RCAR_DU_QUIRK_ALIGN_128B BIT(0) /* Align pitches to 128 bytes */
>
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_group.c
> b/drivers/gpu/drm/rcar-du/rcar_du_group.c
> index cebf313c6e1f..3366cda6086c 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_group.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_group.c
> @@ -147,7 +147,7 @@ static void rcar_du_group_setup(struct rcar_du_group
> *rgrp)
>
> rcar_du_group_setup_pins(rgrp);
>
> - if (rcar_du_has(rgrp->dev, RCAR_DU_FEATURE_EXT_CTRL_REGS)) {
> + if (rcdu->info->gen >= 2) {
> rcar_du_group_setup_defr8(rgrp);
> rcar_du_group_setup_didsr(rgrp);
> }
> @@ -262,7 +262,7 @@ int rcar_du_set_dpad0_vsp1_routing(struct rcar_du_device
> *rcdu)
> unsigned int index;
> int ret;
>
> - if (!rcar_du_has(rcdu, RCAR_DU_FEATURE_EXT_CTRL_REGS))
> + if (rcdu->info->gen < 2)
> return 0;
>
> /*
>
--
Regards
--
Kieran
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