linux-kernel - [PATCH] drm/i915/gvt: Clean up dead code in cmd

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Message-Id: <1508106723-17935-1-git-send-email-chris.gekas@gmail.com>
Date:   Sun, 15 Oct 2017 23:32:03 +0100
From:   Christos Gkekas <chris.gekas@...il.com>
To:     fred gao <fred.gao@...el.com>,
        Zhenyu Wang <zhenyuw@...ux.intel.com>,
        Zhi Wang <zhi.a.wang@...el.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        David Airlie <airlied@...ux.ie>,
        intel-gvt-dev@...ts.freedesktop.org,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Cc:     Christos Gkekas <chris.gekas@...il.com>
Subject: [PATCH] drm/i915/gvt: Clean up dead code in cmd_parser

Delete variables 'gma_bottom' that are set but never used.

Signed-off-by: Christos Gkekas <chris.gekas@...il.com>
---
 drivers/gpu/drm/i915/gvt/cmd_parser.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
index 2c0ccbb..d75ce70 100644
--- a/drivers/gpu/drm/i915/gvt/cmd_parser.c
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -2511,7 +2511,7 @@ static int command_scan(struct parser_exec_state *s,
 
 static int scan_workload(struct intel_vgpu_workload *workload)
 {
-	unsigned long gma_head, gma_tail, gma_bottom;
+	unsigned long gma_head, gma_tail;
 	struct parser_exec_state s;
 	int ret = 0;
 
@@ -2521,7 +2521,6 @@ static int scan_workload(struct intel_vgpu_workload *workload)
 
 	gma_head = workload->rb_start + workload->rb_head;
 	gma_tail = workload->rb_start + workload->rb_tail;
-	gma_bottom = workload->rb_start +  _RING_CTL_BUF_SIZE(workload->rb_ctl);
 
 	s.buf_type = RING_BUFFER_INSTRUCTION;
 	s.buf_addr_type = GTT_BUFFER;
@@ -2557,7 +2556,7 @@ static int scan_workload(struct intel_vgpu_workload *workload)
 static int scan_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx)
 {
 
-	unsigned long gma_head, gma_tail, gma_bottom, ring_size, ring_tail;
+	unsigned long gma_head, gma_tail, ring_size, ring_tail;
 	struct parser_exec_state s;
 	int ret = 0;
 	struct intel_vgpu_workload *workload = container_of(wa_ctx,
@@ -2573,7 +2572,6 @@ static int scan_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx)
 			PAGE_SIZE);
 	gma_head = wa_ctx->indirect_ctx.guest_gma;
 	gma_tail = wa_ctx->indirect_ctx.guest_gma + ring_tail;
-	gma_bottom = wa_ctx->indirect_ctx.guest_gma + ring_size;
 
 	s.buf_type = RING_BUFFER_INSTRUCTION;
 	s.buf_addr_type = GTT_BUFFER;
-- 
2.7.4