[PATCH 1/6] drm/i915/wm: Initialize max_latency variable to appropriate value
Golani, Mitulkumar Ajitkumar
mitulkumar.ajitkumar.golani at intel.com
Thu Dec 5 01:35:53 UTC 2024
> -----Original Message-----
> From: Kandpal, Suraj <suraj.kandpal at intel.com>
> Sent: 03 December 2024 14:17
> To: intel-xe at lists.freedesktop.org; intel-gfx at lists.freedesktop.org
> Cc: Golani, Mitulkumar Ajitkumar <mitulkumar.ajitkumar.golani at intel.com>;
> Kandpal, Suraj <suraj.kandpal at intel.com>
> Subject: [PATCH 1/6] drm/i915/wm: Initialize max_latency variable to
> appropriate value
>
> Initialize max_latency variable to LNL_PKG_C_LATENCY_MASK which helps to
> eliminate the else block and make the whole code a lot cleaner.
>
> --v2
> -Seprate patch to club variables together [Mitul]
>
> Signed-off-by: Suraj Kandpal <suraj.kandpal at intel.com>
> ---
> drivers/gpu/drm/i915/display/skl_watermark.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c
> b/drivers/gpu/drm/i915/display/skl_watermark.c
> index 1a4c1fa24820..c40e0173a5bd 100644
> --- a/drivers/gpu/drm/i915/display/skl_watermark.c
> +++ b/drivers/gpu/drm/i915/display/skl_watermark.c
> @@ -2857,7 +2857,7 @@ static int skl_wm_add_affected_planes(struct
> intel_atomic_state *state, static void skl_program_dpkgc_latency(struct
> drm_i915_private *i915, bool enable_dpkgc) {
> - u32 max_latency = 0;
> + u32 max_latency = LNL_PKG_C_LATENCY_MASK;
> u32 clear = 0, val = 0;
> u32 added_wake_time = 0;
>
> @@ -2870,9 +2870,6 @@ skl_program_dpkgc_latency(struct
> drm_i915_private *i915, bool enable_dpkgc)
> max_latency = LNL_PKG_C_LATENCY_MASK;
> added_wake_time = DSB_EXE_TIME +
> i915->display.sagv.block_time_us;
> - } else {
> - max_latency = LNL_PKG_C_LATENCY_MASK;
> - added_wake_time = 0;
Reviewed-by: Mitul Golani <mitulkumar.ajitkumar.golani at intel.com>
> }
>
> clear |= LNL_ADDED_WAKE_TIME_MASK |
> LNL_PKG_C_LATENCY_MASK;
> --
> 2.34.1
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