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Message-ID: <5839604.DvuYhMxLoT@trenzalore>
Date: Tue, 10 Dec 2024 13:40:14 -0500
From: Detlev Casanova <detlev.casanova@...labora.com>
To: heiko@...ech.de, Andy Yan <andyshrk@....com>
Cc: hjc@...k-chips.com, krzk+dt@...nel.org, s.hauer@...gutronix.de,
devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-rockchip@...ts.infradead.org, derek.foreman@...labora.com,
Andy Yan <andy.yan@...k-chips.com>, kernel@...labora.com
Subject: Re: [PATCH v5 05/18] drm/rockchip: vop2: Set AXI id for rk3588
Hi Andy,
On Monday, 9 December 2024 07:29:18 EST Andy Yan wrote:
> From: Andy Yan <andy.yan@...k-chips.com>
>
> There are two AXI bus in vop2, windows attached on the same bus must
> have a unique channel YUV and RGB channel ID.
>
> The default IDs will conflict with each other on the rk3588, so they
> need to be reassigned.
>
> Fixes: 5a028e8f062f ("drm/rockchip: vop2: Add support for rk3588")
> Signed-off-by: Andy Yan <andy.yan@...k-chips.com>
> Tested-by: Derek Foreman <derek.foreman@...labora.com>
>
> ---
>
> Changes in v5:
> - Added in V5
>
> drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 14 +++++++++++
> drivers/gpu/drm/rockchip/rockchip_drm_vop2.h | 9 +++++++
> drivers/gpu/drm/rockchip/rockchip_vop2_reg.c | 26 +++++++++++++++++++-
> 3 files changed, 48 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
> b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c index
> dc4edd65bc9e..8b9ca046eeeb 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
> @@ -1426,6 +1426,12 @@ static void vop2_plane_atomic_update(struct drm_plane
> *plane, &fb->format->format,
> afbc_en ? "AFBC" : "", &yrgb_mst);
>
> + if (vop2->data->soc_id > 3568) {
Shouldn't this be done only for rk3588, as specified in the comments below ?
The test we did before showed that it is failing on rk3576 and 3576 is > 3588.
I suggest
if (vop2->data->soc_id == 3588) {
Regards,
Detlev
> + vop2_win_write(win, VOP2_WIN_AXI_BUS_ID, win->data-
>axi_bus_id);
> + vop2_win_write(win, VOP2_WIN_AXI_YRGB_R_ID, win->data-
>axi_yrgb_r_id);
> + vop2_win_write(win, VOP2_WIN_AXI_UV_R_ID, win->data-
>axi_uv_r_id);
> + }
> +
> if (vop2_cluster_window(win))
> vop2_win_write(win, VOP2_WIN_AFBC_HALF_BLOCK_EN,
half_block_en);
>
> @@ -3354,6 +3360,10 @@ static struct reg_field
> vop2_cluster_regs[VOP2_WIN_MAX_REG] = { [VOP2_WIN_Y2R_EN] =
> REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 8, 8),
> [VOP2_WIN_R2Y_EN] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 9, 9),
> [VOP2_WIN_CSC_MODE] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 10, 11),
> + [VOP2_WIN_AXI_YRGB_R_ID] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL2, 0,
3),
> + [VOP2_WIN_AXI_UV_R_ID] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL2, 5, 8),
> + /* RK3588 only, reserved bit on rk3568*/
> + [VOP2_WIN_AXI_BUS_ID] = REG_FIELD(RK3568_CLUSTER_CTRL, 13, 13),
>
> /* Scale */
> [VOP2_WIN_SCALE_YRGB_X] =
REG_FIELD(RK3568_CLUSTER_WIN_SCL_FACTOR_YRGB, 0,
> 15), @@ -3446,6 +3456,10 @@ static struct reg_field
> vop2_esmart_regs[VOP2_WIN_MAX_REG] = { [VOP2_WIN_YMIRROR] =
> REG_FIELD(RK3568_SMART_CTRL1, 31, 31),
> [VOP2_WIN_COLOR_KEY] = REG_FIELD(RK3568_SMART_COLOR_KEY_CTRL, 0,
29),
> [VOP2_WIN_COLOR_KEY_EN] = REG_FIELD(RK3568_SMART_COLOR_KEY_CTRL,
31, 31),
> + [VOP2_WIN_AXI_YRGB_R_ID] = REG_FIELD(RK3568_SMART_CTRL1, 4, 8),
> + [VOP2_WIN_AXI_UV_R_ID] = REG_FIELD(RK3568_SMART_CTRL1, 12, 16),
> + /* RK3588 only, reserved register on rk3568 */
> + [VOP2_WIN_AXI_BUS_ID] = REG_FIELD(RK3588_SMART_AXI_CTRL, 1, 1),
>
> /* Scale */
> [VOP2_WIN_SCALE_YRGB_X] =
REG_FIELD(RK3568_SMART_REGION0_SCL_FACTOR_YRGB,
> 0, 15), diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.h
> b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.h index
> 8786c2ba48df..0a3b22e8d14e 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.h
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.h
> @@ -78,6 +78,9 @@ enum vop2_win_regs {
> VOP2_WIN_COLOR_KEY,
> VOP2_WIN_COLOR_KEY_EN,
> VOP2_WIN_DITHER_UP,
> + VOP2_WIN_AXI_BUS_ID,
> + VOP2_WIN_AXI_YRGB_R_ID,
> + VOP2_WIN_AXI_UV_R_ID,
>
> /* scale regs */
> VOP2_WIN_SCALE_YRGB_X,
> @@ -149,6 +152,10 @@ struct vop2_win_data {
> unsigned int layer_sel_id;
> uint64_t feature;
>
> + uint8_t axi_bus_id;
> + uint8_t axi_yrgb_r_id;
> + uint8_t axi_uv_r_id;
> +
> unsigned int max_upscale_factor;
> unsigned int max_downscale_factor;
> const u8 dly[VOP2_DLY_MODE_MAX];
> @@ -319,6 +326,7 @@ enum dst_factor_mode {
>
> #define RK3568_CLUSTER_WIN_CTRL0 0x00
> #define RK3568_CLUSTER_WIN_CTRL1 0x04
> +#define RK3568_CLUSTER_WIN_CTRL2 0x08
> #define RK3568_CLUSTER_WIN_YRGB_MST 0x10
> #define RK3568_CLUSTER_WIN_CBR_MST 0x14
> #define RK3568_CLUSTER_WIN_VIR 0x18
> @@ -341,6 +349,7 @@ enum dst_factor_mode {
> /* (E)smart register definition, offset relative to window base */
> #define RK3568_SMART_CTRL0 0x00
> #define RK3568_SMART_CTRL1 0x04
> +#define RK3588_SMART_AXI_CTRL 0x08
> #define RK3568_SMART_REGION0_CTRL 0x10
> #define RK3568_SMART_REGION0_YRGB_MST 0x14
> #define RK3568_SMART_REGION0_CBR_MST 0x18
> diff --git a/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
> b/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c index
> f7d3350594fa..37c65138012d 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
> @@ -395,7 +395,7 @@ static const struct vop2_video_port_data
> rk3588_vop_video_ports[] = { * AXI1 is a read only bus.
> *
> * Every window on a AXI bus must assigned two unique
> - * read id(yrgb_id/uv_id, valid id are 0x1~0xe).
> + * read id(yrgb_r_id/uv_r_id, valid id are 0x1~0xe).
> *
> * AXI0:
> * Cluster0/1, Esmart0/1, WriteBack
> @@ -415,6 +415,9 @@ static const struct vop2_win_data rk3588_vop_win_data[]
> = { .layer_sel_id = 0,
> .supported_rotations = DRM_MODE_ROTATE_90 |
DRM_MODE_ROTATE_270 |
> DRM_MODE_REFLECT_X |
DRM_MODE_REFLECT_Y,
> + .axi_bus_id = 0,
> + .axi_yrgb_r_id = 2,
> + .axi_uv_r_id = 3,
> .max_upscale_factor = 4,
> .max_downscale_factor = 4,
> .dly = { 4, 26, 29 },
> @@ -431,6 +434,9 @@ static const struct vop2_win_data rk3588_vop_win_data[]
> = { .supported_rotations = DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270 |
> DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y,
> .type = DRM_PLANE_TYPE_PRIMARY,
> + .axi_bus_id = 0,
> + .axi_yrgb_r_id = 6,
> + .axi_uv_r_id = 7,
> .max_upscale_factor = 4,
> .max_downscale_factor = 4,
> .dly = { 4, 26, 29 },
> @@ -446,6 +452,9 @@ static const struct vop2_win_data rk3588_vop_win_data[]
> = { .supported_rotations = DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270 |
> DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y,
> .type = DRM_PLANE_TYPE_PRIMARY,
> + .axi_bus_id = 1,
> + .axi_yrgb_r_id = 2,
> + .axi_uv_r_id = 3,
> .max_upscale_factor = 4,
> .max_downscale_factor = 4,
> .dly = { 4, 26, 29 },
> @@ -461,6 +470,9 @@ static const struct vop2_win_data rk3588_vop_win_data[]
> = { .supported_rotations = DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270 |
> DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y,
> .type = DRM_PLANE_TYPE_PRIMARY,
> + .axi_bus_id = 1,
> + .axi_yrgb_r_id = 6,
> + .axi_uv_r_id = 7,
> .max_upscale_factor = 4,
> .max_downscale_factor = 4,
> .dly = { 4, 26, 29 },
> @@ -475,6 +487,9 @@ static const struct vop2_win_data rk3588_vop_win_data[]
> = { .layer_sel_id = 2,
> .supported_rotations = DRM_MODE_REFLECT_Y,
> .type = DRM_PLANE_TYPE_OVERLAY,
> + .axi_bus_id = 0,
> + .axi_yrgb_r_id = 0x0a,
> + .axi_uv_r_id = 0x0b,
> .max_upscale_factor = 8,
> .max_downscale_factor = 8,
> .dly = { 23, 45, 48 },
> @@ -488,6 +503,9 @@ static const struct vop2_win_data rk3588_vop_win_data[]
> = { .layer_sel_id = 3,
> .supported_rotations = DRM_MODE_REFLECT_Y,
> .type = DRM_PLANE_TYPE_OVERLAY,
> + .axi_bus_id = 0,
> + .axi_yrgb_r_id = 0x0c,
> + .axi_uv_r_id = 0x01,
> .max_upscale_factor = 8,
> .max_downscale_factor = 8,
> .dly = { 23, 45, 48 },
> @@ -501,6 +519,9 @@ static const struct vop2_win_data rk3588_vop_win_data[]
> = { .layer_sel_id = 6,
> .supported_rotations = DRM_MODE_REFLECT_Y,
> .type = DRM_PLANE_TYPE_OVERLAY,
> + .axi_bus_id = 1,
> + .axi_yrgb_r_id = 0x0a,
> + .axi_uv_r_id = 0x0b,
> .max_upscale_factor = 8,
> .max_downscale_factor = 8,
> .dly = { 23, 45, 48 },
> @@ -514,6 +535,9 @@ static const struct vop2_win_data rk3588_vop_win_data[]
> = { .layer_sel_id = 7,
> .supported_rotations = DRM_MODE_REFLECT_Y,
> .type = DRM_PLANE_TYPE_OVERLAY,
> + .axi_bus_id = 1,
> + .axi_yrgb_r_id = 0x0c,
> + .axi_uv_r_id = 0x0d,
> .max_upscale_factor = 8,
> .max_downscale_factor = 8,
> .dly = { 23, 45, 48 },
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