Hi Jayant,
On 12/21/18 08:20, Jayant Shekhar wrote:
> From: Sravanthi Kollukuduru <skolluku@xxxxxxxxxxxxxx>
>
> The interconnect framework is designed to provide a
> standard kernel interface to control the settings of
> the interconnects on a SoC.
>
> The interconnect API uses a consumer/provider-based model,
> where the providers are the interconnect buses and the
> consumers could be various drivers.
>
> MDSS is one of the interconnect consumers which uses the
> interconnect APIs to get the path between endpoints and
> set its bandwidth/latency/QoS requirements for the given
Currently we set only bandwidth.
> interconnected path.
>
> Changes in v2:
> - Remove error log and unnecessary check (Jordan Crouse)
>
> Changes in v3:
> - Code clean involving variable name change, removal
> of extra paranthesis and variables (Matthias Kaehlcke)
>
> Changes in v4:
> - Add comments, spacings, tabs, proper port name
> and icc macro (Georgi Djakov)
The changes should not be part of the commit text, but should move below
the "---" line.
>
> Signed-off-by: Sravanthi Kollukuduru <skolluku@xxxxxxxxxxxxxx>
> Signed-off-by: Jayant Shekhar <jshekhar@xxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c | 49 +++++++++++++++++++++++++++++---
> 1 file changed, 45 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
> index 38576f8..fcaa71f 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
> @@ -4,11 +4,15 @@
> */
>
> #include "dpu_kms.h"
> +#include <linux/interconnect.h>
>
> #define to_dpu_mdss(x) container_of(x, struct dpu_mdss, base)
>
> #define HW_INTR_STATUS 0x0010
>
> +/* Max BW defined in KBps */
> +#define MAX_BW 6800000
> +
> struct dpu_mdss {
> struct msm_mdss base;
> void __iomem *mmio;
> @@ -16,8 +20,30 @@ struct dpu_mdss {
> u32 hwversion;
> struct dss_module_power mp;
> struct dpu_irq_controller irq_controller;
> + struct icc_path *path[2];
> + u32 num_paths;
> };
>
> +static int dpu_mdss_parse_data_bus_icc_path(struct drm_device *dev,
> + struct dpu_mdss *dpu_mdss)
Nit: Please align to the open parenthesis.
Otherwise looks good to me.
Thanks,
Georgi
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