<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> <meta name="Generator" content="Microsoft Word 15 (filtered medium)"> <style></style> </head> <body lang="EN-US" link="blue" vlink="purple"> <div class="WordSection1"> <p class="MsoNormal">Since smu_get_atom_data_table() was already used in smu_v11_0_get_vbios_bootup_values(). We should get all our needed information at once.<o:p></o:p></p> <p class="MsoNormal">Also, what smu_get_atom_data_table() does is to get the data table from vbios. It’s a time and resource cost job.<o:p></o:p></p> <p class="MsoNormal">I do not think it’s a good idea to call it again just to get some information we should already know.<o:p></o:p></p> <p class="MsoNormal"><o:p> </o:p></p> <p class="MsoNormal">Regards,<o:p></o:p></p> <p class="MsoNormal">Evan<o:p></o:p></p> <div style="border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt"> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> <p class="MsoNormal"><b>From:</b> Wang, Kevin(Yang) <Kevin1.Wang@amd.com> <br> <b>Sent:</b> Friday, August 16, 2019 3:10 PM<br> <b>To:</b> Quan, Evan <Evan.Quan@amd.com>; amd-gfx@lists.freedesktop.org<br> <b>Subject:</b> Re: [PATCH 3/4] drm/amd/powerplay: get bootup fclk value<o:p></o:p></p> </div> </div> <p class="MsoNormal"><o:p> </o:p></p> <div> <p class="MsoNormal"><span style="font-size:12.0pt;color:black">i think we can use a function to retrieve this information without storing it separately.<o:p></o:p></span></p> </div> <div> <p class="MsoNormal"><span style="font-size:12.0pt;color:black">likes: <i> ret = smu_get_atom_data_table(smu, index, &size, &frev, &crev, <br> (uint8_t **)&header); </i><o:p></o:p></span></p> </div> <div> <p class="MsoNormal"><span style="font-size:12.0pt;color:black">because these information is a generic information from atom_common_table_header.<o:p></o:p></span></p> </div> <div> <p class="MsoNormal"><span style="font-size:12.0pt;color:black">and other function don't care it except in smu_v11_0_get_clk_info_from_vbios.<o:p></o:p></span></p> </div> <div> <div> <p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p> </div> </div> <div> <p class="MsoNormal"><span style="font-size:12.0pt;color:black">Best Regards,<br> Kevin<o:p></o:p></span></p> </div> <div class="MsoNormal" align="center" style="text-align:center"> <hr size="2" width="98%" align="center"> </div> <div id="divRplyFwdMsg"> <p class="MsoNormal"><b><span style="color:black">From:</span></b><span style="color:black"> amd-gfx <<a href="mailto:amd-gfx-bounces@lists.freedesktop.org">amd-gfx-bounces@lists.freedesktop.org</a>> on behalf of Evan Quan <<a href="mailto:evan.quan@amd.com">evan.quan@amd.com</a>><br> <b>Sent:</b> Friday, August 16, 2019 2:08 PM<br> <b>To:</b> <a href="mailto:amd-gfx@lists.freedesktop.org">amd-gfx@lists.freedesktop.org</a> <<a href="mailto:amd-gfx@lists.freedesktop.org">amd-gfx@lists.freedesktop.org</a>><br> <b>Cc:</b> Quan, Evan <<a href="mailto:Evan.Quan@amd.com">Evan.Quan@amd.com</a>><br> <b>Subject:</b> [PATCH 3/4] drm/amd/powerplay: get bootup fclk value</span> <o:p> </o:p></p> <div> <p class="MsoNormal"> <o:p></o:p></p> </div> </div> <div> <div> <p class="MsoNormal">This is available with firmwareinfo table v3.2 or later.<br> <br> Change-Id: I223edf3c616b9e3e2527c752214fef5ab53d1cea<br> Signed-off-by: Evan Quan <<a href="mailto:evan.quan@amd.com">evan.quan@amd.com</a>><br> ---<br> .../gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 3 +++<br> drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 21 +++++++++++++++++++<br> 2 files changed, 24 insertions(+)<br> <br> diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h<br> index ca9b9ec39de8..2c16eb412954 100644<br> --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h<br> +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h<br> @@ -222,6 +222,9 @@ struct smu_bios_boot_up_values<br> uint16_t vdd_gfx;<br> uint8_t cooling_id;<br> uint32_t pp_table_id;<br> + uint32_t format_revision;<br> + uint32_t content_revision;<br> + uint32_t fclk;<br> };<br> <br> enum smu_table_id<br> diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c<br> index 4a51de4ff162..df7b65360ac7 100644<br> --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c<br> +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c<br> @@ -568,6 +568,9 @@ int smu_v11_0_get_vbios_bootup_values(struct smu_context *smu)<br> smu->smu_table.boot_values.pp_table_id = v_3_3->pplib_pptable_id;<br> }<br> <br> + smu->smu_table.boot_values.format_revision = header->format_revision;<br> + smu->smu_table.boot_values.content_revision = header->content_revision;<br> +<br> return 0;<br> }<br> <br> @@ -647,6 +650,24 @@ static int smu_v11_0_get_clk_info_from_vbios(struct smu_context *smu)<br> output = (struct atom_get_smu_clock_info_output_parameters_v3_1 *)&input;<br> smu->smu_table.boot_values.dclk = le32_to_cpu(output->atom_smu_outputclkfreq.smu_clock_freq_hz) / 10000;<br> <br> + if ((smu->smu_table.boot_values.format_revision == 3) &&<br> + (smu->smu_table.boot_values.content_revision >= 2)) {<br> + memset(&input, 0, sizeof(input));<br> + input.clk_id = SMU11_SYSPLL1_0_FCLK_ID;<br> + input.syspll_id = SMU11_SYSPLL1_2_ID;<br> + input.command = GET_SMU_CLOCK_INFO_V3_1_GET_CLOCK_FREQ;<br> + index = get_index_into_master_table(atom_master_list_of_command_functions_v2_1,<br> + getsmuclockinfo);<br> +<br> + ret = amdgpu_atom_execute_table(adev->mode_info.atom_context, index,<br> + (uint32_t *)&input);<br> + if (ret)<br> + return -EINVAL;<br> +<br> + output = (struct atom_get_smu_clock_info_output_parameters_v3_1 *)&input;<br> + smu->smu_table.boot_values.fclk = le32_to_cpu(output->atom_smu_outputclkfreq.smu_clock_freq_hz) / 10000;<br> + }<br> +<br> return 0;<br> }<br> <br> -- <br> 2.22.0<br> <br> _______________________________________________<br> amd-gfx mailing list<br> <a href="mailto:amd-gfx@lists.freedesktop.org">amd-gfx@lists.freedesktop.org</a><br> <a href="https://lists.freedesktop.org/mailman/listinfo/amd-gfx">https://lists.freedesktop.org/mailman/listinfo/amd-gfx</a><o:p></o:p></p> </div> </div> </div> </div> </body> </html>