<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> <style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style> </head> <body dir="ltr"> <p style="font-family:Arial;font-size:11pt;color:#0078D7;margin:5pt;" align="Left"> [AMD Official Use Only - Internal Distribution Only]<br> </p> <br> <div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Please fix the subject:</div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> drm/amdgpu: <span class="ITWTqi_23IoOPmK3O6ErT">Update NV SIMD-per-CU to 2</span><br> </div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> With that fixed, the patch is:</div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Reviewed-by: Alex Deucher <alexander.deucher@amd.com><br> </div> <div id="appendonsend"></div> <hr style="display:inline-block;width:98%" tabindex="-1"> <div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Joseph Greathouse <Joseph.Greathouse@amd.com><br> <b>Sent:</b> Monday, May 3, 2021 1:25 PM<br> <b>To:</b> amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org><br> <b>Cc:</b> Greathouse, Joseph <Joseph.Greathouse@amd.com>; Zhang, Hawking <Hawking.Zhang@amd.com><br> <b>Subject:</b> [PATCH] Update NV SIMD-per-CU to 2</font> <div> </div> </div> <div class="BodyFragment"><font size="2"><span style="font-size:11pt;"> <div class="PlainText">Navi series GPUs have 2 SIMDs per CU (and then 2 CUs per WGP).<br> The NV enum headers incorrectly listed this as 4, which later meant<br> we were incorrectly reporting the number of SIMDs in the HSA<br> topology. This could cause problems down the line for user-space<br> applications that want to launch a fixed amount of work to each<br> SIMD.<br> <br> Signed-off-by: Joseph Greathouse <Joseph.Greathouse@amd.com><br> Change-Id: I94021ca71363a3d27330b2fda8e6acaac258017e<br> ---<br> drivers/gpu/drm/amd/include/navi10_enum.h | 2 +-<br> 1 file changed, 1 insertion(+), 1 deletion(-)<br> <br> diff --git a/drivers/gpu/drm/amd/include/navi10_enum.h b/drivers/gpu/drm/amd/include/navi10_enum.h<br> index d5ead9680c6e..84bcb96f76ea 100644<br> --- a/drivers/gpu/drm/amd/include/navi10_enum.h<br> +++ b/drivers/gpu/drm/amd/include/navi10_enum.h<br> @@ -430,7 +430,7 @@ ARRAY_2D_DEPTH = 0x00000001,<br> */<br> <br> typedef enum ENUM_NUM_SIMD_PER_CU {<br> -NUM_SIMD_PER_CU = 0x00000004,<br> +NUM_SIMD_PER_CU = 0x00000002,<br> } ENUM_NUM_SIMD_PER_CU;<br> <br> /*<br> -- <br> 2.20.1<br> <br> _______________________________________________<br> amd-gfx mailing list<br> amd-gfx@lists.freedesktop.org<br> <a href="https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=04%7C01%7Calexander.deucher%40amd.com%7C0a03ae95bbda46750ed308d90e588bc6%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637556595746142277%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=JAHxu%2FPQTzHASsbie%2FnJGRX9B%2F17%2B6%2FXWeQnadzkj1I%3D&reserved=0">https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=04%7C01%7Calexander.deucher%40amd.com%7C0a03ae95bbda46750ed308d90e588bc6%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637556595746142277%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=JAHxu%2FPQTzHASsbie%2FnJGRX9B%2F17%2B6%2FXWeQnadzkj1I%3D&reserved=0</a><br> </div> </span></font></div> </div> </body> </html>