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From: Tom Rix <trix@redhat.com>
To: harry.wentland@amd.com, sunpeng.li@amd.com,
	Rodrigo.Siqueira@amd.com, alexander.deucher@amd.com,
	christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@gmail.com,
	daniel@ffwll.ch, jun.lei@amd.com, Alvin.Lee2@amd.com,
	Nevenko.Stupar@amd.com, Dillon.Varone@amd.com,
	george.shen@amd.com, rdunlap@infradead.org,
	David.Galiffi@amd.com
Cc: Tom Rix <trix@redhat.com>,
	dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH] drm/amd/display: reduce else-if to else in dcn32_calculate_dlg_params()
Date: Thu, 26 Jan 2023 12:49:35 -0800	[thread overview]
Message-ID: <20230126204935.819030-1-trix@redhat.com> (raw)

cppcheck reports
drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c:1403:76: style:
  Expression is always true because 'else if' condition is opposite to previous condition at line 1396. [multiCondition]
   } else if (context->res_ctx.pipe_ctx[i].stream->mall_stream_config.type == SUBVP_PHANTOM) {
                                                                           ^
drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c:1396:69: note: first condition
   if (context->res_ctx.pipe_ctx[i].stream->mall_stream_config.type != SUBVP_PHANTOM) {
                                                                    ^
drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c:1403:76: note: else if condition is opposite to first condition
   } else if (context->res_ctx.pipe_ctx[i].stream->mall_stream_config.type == SUBVP_PHANTOM) {

It is not necessary to explicitly the check != condition, an else is simplier.

Fixes: 238debcaebe4 ("drm/amd/display: Use DML for MALL SS and Subvp allocation calculations")
Signed-off-by: Tom Rix <trix@redhat.com>
---
 drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
index 0dc1a03999b6..c96cbd88e20d 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
@@ -1400,7 +1400,7 @@ static void dcn32_calculate_dlg_params(struct dc *dc, struct dc_state *context,
 					/* SS PSR On: all active surfaces part of streams not supporting PSR stored in MALL */
 					context->bw_ctx.bw.dcn.mall_ss_psr_active_size_bytes += context->res_ctx.pipe_ctx[i].surface_size_in_mall_bytes;
 				}
-			} else if (context->res_ctx.pipe_ctx[i].stream->mall_stream_config.type == SUBVP_PHANTOM) {
+			} else {
 				/* SUBVP: phantom surfaces only stored in MALL */
 				context->bw_ctx.bw.dcn.mall_subvp_size_bytes += context->res_ctx.pipe_ctx[i].surface_size_in_mall_bytes;
 			}
-- 
2.26.3


WARNING: multiple messages have this Message-ID (diff)
From: Tom Rix <trix@redhat.com>
To: harry.wentland@amd.com, sunpeng.li@amd.com,
	Rodrigo.Siqueira@amd.com, alexander.deucher@amd.com,
	christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@gmail.com,
	daniel@ffwll.ch, jun.lei@amd.com, Alvin.Lee2@amd.com,
	Nevenko.Stupar@amd.com, Dillon.Varone@amd.com,
	george.shen@amd.com, rdunlap@infradead.org,
	David.Galiffi@amd.com
Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
	linux-kernel@vger.kernel.org, Tom Rix <trix@redhat.com>
Subject: [PATCH] drm/amd/display: reduce else-if to else in dcn32_calculate_dlg_params()
Date: Thu, 26 Jan 2023 12:49:35 -0800	[thread overview]
Message-ID: <20230126204935.819030-1-trix@redhat.com> (raw)

cppcheck reports
drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c:1403:76: style:
  Expression is always true because 'else if' condition is opposite to previous condition at line 1396. [multiCondition]
   } else if (context->res_ctx.pipe_ctx[i].stream->mall_stream_config.type == SUBVP_PHANTOM) {
                                                                           ^
drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c:1396:69: note: first condition
   if (context->res_ctx.pipe_ctx[i].stream->mall_stream_config.type != SUBVP_PHANTOM) {
                                                                    ^
drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c:1403:76: note: else if condition is opposite to first condition
   } else if (context->res_ctx.pipe_ctx[i].stream->mall_stream_config.type == SUBVP_PHANTOM) {

It is not necessary to explicitly the check != condition, an else is simplier.

Fixes: 238debcaebe4 ("drm/amd/display: Use DML for MALL SS and Subvp allocation calculations")
Signed-off-by: Tom Rix <trix@redhat.com>
---
 drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
index 0dc1a03999b6..c96cbd88e20d 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
@@ -1400,7 +1400,7 @@ static void dcn32_calculate_dlg_params(struct dc *dc, struct dc_state *context,
 					/* SS PSR On: all active surfaces part of streams not supporting PSR stored in MALL */
 					context->bw_ctx.bw.dcn.mall_ss_psr_active_size_bytes += context->res_ctx.pipe_ctx[i].surface_size_in_mall_bytes;
 				}
-			} else if (context->res_ctx.pipe_ctx[i].stream->mall_stream_config.type == SUBVP_PHANTOM) {
+			} else {
 				/* SUBVP: phantom surfaces only stored in MALL */
 				context->bw_ctx.bw.dcn.mall_subvp_size_bytes += context->res_ctx.pipe_ctx[i].surface_size_in_mall_bytes;
 			}
-- 
2.26.3


             reply	other threads:[~2023-01-26 20:49 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-26 20:49 Tom Rix [this message]
2023-01-26 20:49 ` [PATCH] drm/amd/display: reduce else-if to else in dcn32_calculate_dlg_params() Tom Rix
2023-01-31 17:22 ` Alex Deucher
2023-01-31 17:22   ` Alex Deucher
2023-01-31 17:22   ` Alex Deucher

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