public inbox for linux-staging@lists.linux.dev
 help / color / mirror / Atom feed
From: Kate Hsuan <hpa@redhat.com>
To: Hans de Goede <hdegoede@redhat.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Sakari Ailus <sakari.ailus@linux.intel.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-media@vger.kernel.org, linux-staging@lists.linux.dev
Cc: Kate Hsuan <hpa@redhat.com>
Subject: [PATCH v2 5/5] staging: media: atomisp: sh_css_mipi: Remove #ifdef 2041
Date: Mon,  8 May 2023 14:26:32 +0800	[thread overview]
Message-ID: <20230508062632.34537-5-hpa@redhat.com> (raw)
In-Reply-To: <20230508062632.34537-1-hpa@redhat.com>

The actions of ISP2401 and 2400 are determined at the runtime.

Signed-off-by: Kate Hsuan <hpa@redhat.com>
---
 .../staging/media/atomisp/pci/sh_css_mipi.c   | 65 ++++++-------------
 1 file changed, 20 insertions(+), 45 deletions(-)

diff --git a/drivers/staging/media/atomisp/pci/sh_css_mipi.c b/drivers/staging/media/atomisp/pci/sh_css_mipi.c
index bc6e8598a776..52a1ed63e9a5 100644
--- a/drivers/staging/media/atomisp/pci/sh_css_mipi.c
+++ b/drivers/staging/media/atomisp/pci/sh_css_mipi.c
@@ -67,13 +67,12 @@ ia_css_mipi_frame_calculate_size(const unsigned int width,
 	unsigned int mem_words = 0;
 	unsigned int width_padded = width;
 
-#if defined(ISP2401)
 	/* The changes will be reverted as soon as RAW
 	 * Buffers are deployed by the 2401 Input System
 	 * in the non-continuous use scenario.
 	 */
-	width_padded += (2 * ISP_VEC_NELEMS);
-#endif
+	if (IS_ISP2401)
+		width_padded += (2 * ISP_VEC_NELEMS);
 
 	IA_CSS_ENTER("padded_width=%d, height=%d, format=%d, hasSOLandEOL=%d, embedded_data_size_words=%d\n",
 		     width_padded, height, format, hasSOLandEOL, embedded_data_size_words);
@@ -235,7 +234,6 @@ bool mipi_is_free(void)
 	return true;
 }
 
-#if defined(ISP2401)
 /*
  * @brief Calculate the required MIPI buffer sizes.
  * Based on the stream configuration, calculate the
@@ -342,7 +340,6 @@ static int calculate_mipi_buff_size(struct ia_css_stream_config *stream_cfg,
 	IA_CSS_LEAVE_ERR(err);
 	return err;
 }
-#endif
 
 int
 allocate_mipi_frames(struct ia_css_pipe *pipe,
@@ -363,15 +360,13 @@ allocate_mipi_frames(struct ia_css_pipe *pipe,
 		return -EINVAL;
 	}
 
-#ifdef ISP2401
-	if (pipe->stream->config.online) {
+	if (IS_ISP2401 && pipe->stream->config.online) {
 		ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
 				    "allocate_mipi_frames(%p) exit: no buffers needed for 2401 pipe mode.\n",
 				    pipe);
 		return 0;
 	}
 
-#endif
 	if (pipe->stream->config.mode != IA_CSS_INPUT_MODE_BUFFERED_SENSOR) {
 		ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
 				    "allocate_mipi_frames(%p) exit: no buffers needed for pipe mode.\n",
@@ -386,30 +381,22 @@ allocate_mipi_frames(struct ia_css_pipe *pipe,
 		return -EINVAL;
 	}
 
-#ifdef ISP2401
-	err = calculate_mipi_buff_size(&pipe->stream->config,
-				       &my_css.mipi_frame_size[port]);
-	/*
-	 * 2401 system allows multiple streams to use same physical port. This is not
-	 * true for 2400 system. Currently 2401 uses MIPI buffers as a temporary solution.
-	 * TODO AM: Once that is changed (removed) this code should be removed as well.
-	 * In that case only 2400 related code should remain.
-	 */
-	if (ref_count_mipi_allocation[port] != 0) {
-		ref_count_mipi_allocation[port]++;
-		ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
-				    "allocate_mipi_frames(%p) leave: nothing to do, already allocated for this port (port=%d).\n",
-				    pipe, port);
-		return 0;
-	}
-#else
 	if (ref_count_mipi_allocation[port] != 0) {
 		ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
 				    "allocate_mipi_frames(%p) exit: already allocated for this port (port=%d).\n",
 				    pipe, port);
 		return 0;
+	} else {
+		/*
+		 * 2401 system allows multiple streams to use same physical port. This is not
+		 * true for 2400 system. Currently 2401 uses MIPI buffers as a temporary solution.
+		 * TODO AM: Once that is changed (removed) this code should be removed as well.
+		 * In that case only 2400 related code should remain.
+		 */
+		if (IS_ISP2401)
+			err = calculate_mipi_buff_size(&pipe->stream->config,
+						       &my_css.mipi_frame_size[port]);
 	}
-#endif
 
 	ref_count_mipi_allocation[port]++;
 
@@ -503,14 +490,14 @@ free_mipi_frames(struct ia_css_pipe *pipe)
 		}
 
 		if (ref_count_mipi_allocation[port] > 0) {
-#if !defined(ISP2401)
-			assert(ref_count_mipi_allocation[port] == 1);
-			if (ref_count_mipi_allocation[port] != 1) {
-				IA_CSS_ERROR("free_mipi_frames(%p) exit: wrong ref_count (ref_count=%d).",
-					     pipe, ref_count_mipi_allocation[port]);
-				return err;
+			if (!IS_ISP2401) {
+				assert(ref_count_mipi_allocation[port] == 1);
+				if (ref_count_mipi_allocation[port] != 1) {
+					IA_CSS_ERROR("free_mipi_frames(%p) exit: wrong ref_count (ref_count=%d).",
+						     pipe, ref_count_mipi_allocation[port]);
+					return err;
+				}
 			}
-#endif
 
 			ref_count_mipi_allocation[port]--;
 
@@ -534,18 +521,6 @@ free_mipi_frames(struct ia_css_pipe *pipe)
 				ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
 						    "free_mipi_frames(%p) exit (deallocated).\n", pipe);
 			}
-#if defined(ISP2401)
-			else {
-				/* 2401 system allows multiple streams to use same physical port. This is not
-				 * true for 2400 system. Currently 2401 uses MIPI buffers as a temporary solution.
-				 * TODO AM: Once that is changed (removed) this code should be removed as well.
-				 * In that case only 2400 related code should remain.
-				 */
-				ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
-						    "free_mipi_frames(%p) leave: nothing to do, other streams still use this port (port=%d).\n",
-						    pipe, port);
-			}
-#endif
 		}
 	} else { /* pipe ==NULL */
 		/* AM TEMP: free-ing all mipi buffers just like a legacy code. */
-- 
2.40.1


  parent reply	other threads:[~2023-05-08  6:27 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-08  6:26 [PATCH v2 1/5] staging: media: atomisp: sh_css: Remove #ifdef ISP2401 Kate Hsuan
2023-05-08  6:26 ` [PATCH v2 2/5] staging: media: atomisp: runtime: frame: remove " Kate Hsuan
2023-05-08  6:26 ` [PATCH v2 3/5] staging: media: atomisp: sh_css_sp: Remove " Kate Hsuan
2023-05-08  6:26 ` [PATCH v2 4/5] staging: media: atomisp: sh_css_firmware: determine firmware version at runtime Kate Hsuan
2023-05-08  6:26 ` Kate Hsuan [this message]
2023-05-10 18:34   ` [PATCH v2 5/5] staging: media: atomisp: sh_css_mipi: Remove #ifdef 2041 Hans de Goede
2023-05-11 11:18     ` Kate Hsuan
2023-05-10 18:40 ` [PATCH v2 1/5] staging: media: atomisp: sh_css: Remove #ifdef ISP2401 Hans de Goede

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20230508062632.34537-5-hpa@redhat.com \
    --to=hpa@redhat.com \
    --cc=gregkh@linuxfoundation.org \
    --cc=hdegoede@redhat.com \
    --cc=linux-media@vger.kernel.org \
    --cc=linux-staging@lists.linux.dev \
    --cc=mchehab@kernel.org \
    --cc=sakari.ailus@linux.intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox